WATER-QUALITY MONITORING OF THREE  MAJOR
    TRIBUTARIES TO THE  CHESAPEAKE BAY-
             INTERIM  DATA  REPOR1   903R80003
 U.S. GEOLOGICAL SURVEY

 Water-Resources Investigations 80-78
U.S. Fnvifortfir'jJ F.-c'.c^on
R3i:-oni;ilr.;o:.nation i.sso


      1 in cooperation with the
TD     IRONMENTAL PROTECTION AGENCY
223.1   KE BAY PROGRAM
.L32
1980
copy 2

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 50272-lQj	
 REPORT DOCUMENTATION  j i-_REPORT NO.
         PAGE
 4. Title and Subtitle
      WATER-QUALITY  MONITORING  OF THREE MAJOR  TRIBUTARIES TO  THE
      CHESAPEAKE BAY—INTERIM DATA REPORT
 7. Author(s)
      David J. Lang  and David Grason
 9. Performing Organization Name and Address
      U.S. Geological Survey, Water Resources  Division
      208 Carroll  Building
      8600 La Salle  Road
      Towson, Maryland  21204
 12. Sponsoring Organization Name and Address
      U.S.  Geological Survey, Water Resources Division
      208 Carroll Building
      8600 La Salle  Road
 	Towson, Maryland __21204_                         _  _
 15. Supplementary Notes
      Prepared in cooperation with the U.S. Environmental Agency
           Chesapeake Bay Program
               3. Recipient's Accession No
                                                                        5. Report Date
                                                                          September 1980
               8. Performing Organization Rept. No
                 _USG_S/_WRI-80-78_
               10. Project/Task/Work Unit No.


               11. Contract(C) or Grant(G) No.
               (C)

               (G)

               13. Type of Report & Period Covered

                  Interim

               14.
 16. Abstract (Limit: 200 words)
           The  U.S.  Geological  Survey is monitoring the water quality of  three major
      tributaries  to the Chesapeake Bay at their fall lines  to obtain estimates of  con-
      stituent  inputs potentially  available  to the bay.  The monitoring sites are:
      Susquehanna  River at Conowingo, Md.; Potomac River at  Washington, D.C.; and James
      River at  Cartersville, Va.   Water-quality data collected from October 1978 to
      April 1980 are presented  in  tables.  Concentrations  of major ions,  nutrient and
      carbon species, metals, pesticides, suspended sediment, and other selected con-
      stituents are  presented for  a range of  flows.  The mean, standard deviation,
      minimum,  maximum, and median values for each constituent were determined by stand-
      ard  methods  and are presented for each  sampling station.  Bivariate linear regres-
      sions were run for all constituents versus streamflow, specific conductance,  and
      suspended sediment.  Those relationships exhibiting  coefficients of determination
           greater than 0.50 are tabulated.
 17. Document Analysis  a. Descriptors

      ^Chesapeake Bay,  *Sediment  transport, ^Sediments, *Water quality, Pesticides,
      Nutrients,  Basic  data collections, Trace  elements, Bays, Bottom sediments,
      Herbicides, Heavy metals, Insecticides, Potomac River,  Rivers, Statistics

   b. Identifiers/Open-Ended Terms
      James River,  Susquehanna River
   c. COSATI Field/Group
 18. Availability Statement

      No restriction on distribution
19. Security Class (This Report)
 _yNCLASSIFIE_D    _
20. Security Class (This Page)
   UNCLASSIFIED
21. No. of Pages
     66
                                                                                   22. Price
(See ANSI-Z39.18)
                                         See Instructions on Reverse
                         OPTIONAL FORM 272 (4-77)
                         (Formerly NTIS-35)
                         Department of Commerce

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WATER-QUALITY MONITORING OF THREE MAJOR




TRIBUTARIES TO THE CHESAPEAKE BAY—




INTERIM DATA REPORT




By David J. Lang and David Grason
U.S. GEOLOGICAL SURVEY
Water-Resources Investigations 80-78
Prepared in cooperation with the




U.S. ENVIRONMENTAL PROTECTION AGENCY




CHESAPEAKE BAY PROGRAM
                              September  1980

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                 UNITED STATES  DEPARTMENT  OF  THE INTERIOR
                        CECIL D.  ANDRUS,  Secretary
                            GEOLOGICAL SURVEY
                       H. William Menard, Director
For additional information write to:

U.S. Geological Survey
208 Carroll Building
8600 La Salle Road
Towson, Maryland  21204

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                                CONTENTS
                                                                      Page

Conversion of measurement units 	        V
Definition of terms	       VI
Abstract  	        1
Introduction  	        1
Acknowledgment  	        3
Hydrologic conditions 	        3
Data collection and presentation  	        5
     Data-collection sites  	        5
     Methods of sample collection and analysis  	        5
     Data presentation  	        5
References	       11
Supplemental data	       13
                               ILLUSTRATION
                                                                      Page
Figure 1.  Map showing location of drainage basins of the
             Susquehanna, Potomac, and James Rivers . .  .
                                   Ill

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                                  TABLES
                                                                      Page
Table 1.  Monthly precipitation, in inches, at selected
            sites from  January 1979 to March 1980
          Coefficients of determination  (R )  greater
            than 0.50 using more than five correlated
            data pairs for bivariate linear regressions
            of chemical constituents with streamflow,
            specific conductance, and suspended
            sediment  	       6
          Basic statistics of water-quality data for the
            Susquehanna River at Conowingo, Md	       8
          Basic statistics of water-quality data for the
            Potomac River at Chain Bridge at
            Washington, D.C	       9
          Basic statistics of water-quality data for the
            James River at Cartersville, Va	      10
                            SUPPLEMENTAL DATA
                                                                      Page
Supplemental Data

      A.  Water-quality data for Susquehanna River at
            Conowingo, Md., from November 1978 to
            April 1980	      14
      B.  Water-quality data for Potomac River at
            Chain Bridge at Washington, D.C., from
            October 1978 to April 1980	      33
      C.  Water-quality data for James River at
            Cartersville, Va., from October 1978 to
            April 1980	      42
      D.  Pesticide data from the three monitoring
            sites from November 1978 to April 1980	      51
      E.  Suspended-sediment records for the Susquehanna
            River at Conowingo, Md., from October 1979
            to March 1980	      57
      F.  Suspended-sediment records for Potomac River
            at Chain Bridge at Washington, D.C., from
            October 1978 to March 1980	      59
      G.  Results of analysis of bottom material and
            water samples from Susquehanna River below
            Conowingo Dam at Conowingo, Md	      65
                                    IV

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                     CONVERSION OF MEASUREMENT UNITS

     The following factors may be used  to  convert  the  inch-pound units
published in this report to International  System  (SI)  metric units.
Multiply inch-pound unit


inch  (in.)


foot  (ft)
mile  (mi)



               2
square mile  (mi )



gallon (gal)


cubic foot  (ft3)
cubic foot per second
     (ft3/s)
gallon per minute  (gal/min
degree Fahrenheit  (°F)
unit By
Length
25.40
.0254
.3048
1.609
Area
2.590
Volume
3.785
.003785
.02832
Flow
d 28.32
.02832
al/min) .06309
.00006309
Temperature
F) -32 x 0.555
To obtain metric

millimeter (mm)
meter (m)
meter (m)
kilometer (km)
square kilometer
liter (L)
cubic meter (m )
cubic meter (m )
liter per second
cubic meter per
(m /s)
liter per second
cubic meter per
(nT/s)

degree Celsius (
unit





(km2)



(L/s)
second
(L/s)
second

°C)
                                    V

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                           DEFINITION OF TERMS


     Terms related  to  streamflow  and  water  quality as used in the  report
are given below:

     Alkalinity is the capacity of a water to neutralize acids.  Alkalinity
in water is caused primarily by bicarbonates, carbonates, and hydroxides,
and is expressed as equivalent calcium carbonate, CaCO  .

     Chlorophyll a  is  the primary pigment  of all oxygen-evolving  photo-
synthetic organisms and is present in all algae and photosynthetic  organ-
isms, except some photosynthetic bacteria (Wetzel, 1975).

     Chlorophyll b, although  common  to higher plants,  is  found in green
algae and other lower  plants.   This pigment  functions as a light-gathering
pigment in which absorbed light energy is  transferred  to chlorophyll a for
primary photochemistry  (Wetzel, 1975) .

     Cubic foot per second (CFS,  ft /s)  is  the rate of streamflow  repre-
senting a volume of 1  cubic foot passing a given point during 1 second and
is equivalent to 7.48 gallons per second or 448.8 gallons per minute.

     Fecal coliform bacteria  are bacteria  that are present in the  intes-
tines or  feces  of warmblooded animals.   Their  presence in water is con-
sidered to indicate fecal pollution.   In the  laboratory, they are defined
as all organisms that produce blue colonies  within 24 hours when  incubated
at 44.5 ±0.2°C  on  M-FC medium  (selective nutrient medium for fecal coliform
growth).  Their concentrations are expressed as number of colonies per 100
milliliters (mL) of sample.

     Fecal streptococcal bacteria are bacteria that are present  in  intes-
tines or feces of  warmblooded animals.   Their presence  in  water is con-
sidered  to  indicate fecal pollution.   They are  characterized  as gram-
positive, cocci bacteria  which are  capable of growth  in brain-heart in-
fusion broth.   In the laboratory, they are defined as all the  organisms
which produce  red or  pink colonies within  48 hours at  35 ± 1.0 °C  on M-
enterrococcus medium (nutrient medium  for  fecal  streptocci growth).  Their
concentrations are expressed as number of colonies per 100 milliliters of
sample.

     Hardness of water is a physical-chemical characteristic that is com-
monly  recognized  by the  increased quantity of soap  required  to produce
lather.  It is  attributable to the presence of alkaline earths (principally
calcium and magnesium)  and is expressed  as  equivalent calcium carbonate,
CaC03.

     Kjeldahl nitrogen  is the  sum of free-ammonia and organic nitrogen
compounds that are converted  to ammonium sulfate,  (NH  )2SO , under special
conditions of  sample preparation.   The  sum  of  all nitrogen  in a water
sample  is  equal to Kjeldahl  nitrogen plus nitrite and nitrate nitrogen
concentrations.
                                    VI

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     Micrograms per gram  (PG/G,  yg/g)  is a unit  expressing  the concen-
tration of  a chemical element  as the  mass  (micrograms) of  the element
sorbed per  unit  mass  (gram)  of sediment.   One microgram is one one-mil-
lionth of a gram.

     Micrograms per liter  (JJG/L,  yg/L) is a unit  expressing  the concen-
tration of  chemical constituents  in  solution  as mass (micrograms)  of the
solute per  unit volume (liter) of water.  One  is equivalent to one milli-
gram per liter.

     Milligrams per liter  (MG/L,  mg/L)  is a unit for expressing the con-
centration  of  chemical constituents  in solution as  mass (milligrams)  of
the solute  per unit volume  (liter)  of  water.   One milligram is one one-
thousandth of a gram.

     Organic nitrogen includes  all  nitrogenous organic compounds such as
amino acids, polypeptides, and  proteins.   It  is present naturally in all
surface waters as a result of natural nitrogenous materials and biological
life in the watersheds and streams, but excessive concentrations  may indi-
cate contamination from man-induced  influences.

     Orthophosphate is the most common ionized  form of phosphorus in water
and the only one  derived  from natural sources.  Orthophosphates comprise
the inorganic  portion of  phosphorous and  include  the  three ionization
products of phosphoric  acid  H  PO -1 ,  HPO -2 ,   and PO -3 in  a  water body,
whose relative concentrations are governed by  the pH of  the water.

     Particle-size classification used  in this report agrees with recom-
mendations made by the American Geophysical Union Subcommittee on Sediment
Terminology.

     The classification is as follows:

          Classification           Size (mm)         Method of analysis

          Clay 	         0.00024 -   0.004      Sedimentation.

          Silt	         .004   -   .062      Sedimentation.

          Sand	         .062   -   2.0        Sedimentation or
                                                       sieve.

          Gravel  ....         2.0     -  64.0        Sieve.
     The particle-size  distributions  given in this report are not neces-
sarily representative of all particles in transport in the stream.  Most of
the organic material is removed, and the sample is subjected  to mechanical
and chemical dispersion before analysis in distilled water.
                                  VII

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     Pesticides are chemical compounds used to control undesirable plants
and animals.  Major categories  of  pesticides  include insecticides, miti-
cides, fungicides, herbicides, and rodenticides.  Insecticides and herbi-
cides, which control  insects  and plants,  respectively,  are the two cate-
gories presented in this report.

     Phosphorus is one of the  major nutrients required for plant nutrition
and is essential for life.   Phosphorous is not the sole cause of eutrophi-
cation of natural waters, but there is evidence  that  it  is the key element
required by  fresh-water  plants and,  generally,  is present  in  the least
amount relative to need.

     pH of water is a measure of  the hydrogen ion concentration, or more
specifically, the  hydrogen ion activity.   It  is most  conveniently ex-
pressed in logarithmic units and represents the negative base-10  log of the
hydrogen-ion activity in moles per liter.

     Polychlorinated  biphenols  (PCB)  are  industrial chemicals  that are
mixtures of chlorinated  biphenyl compounds having various  percentages of
chlorine.

     Polychlorinated napthalenes (PCN) are organochemical compounds simi-
lar  to  polychlorinated  biphenols,  except the  basic  unit  of  molecular
structure is napthalene  instead of the biphenol complex.

     Sediment is solid material that originates mostly from disintegrated
rocks and  is transported by,  suspended  in,  or deposited  from water; it
includes chemical and biochemical precipitates and decomposed organic ma-
terial,  such as  humus.   The  quantity, characteristics,  and cause of the
occurrence of sediment in streams are influenced by environmental factors
such  as  slope,  length of  slope,   soil  characteristics, land  usage,  and
quantity and intensity of precipitation.

     Specific conductance is a measure of the ability of a water  to conduct
an electrical current  and is expressed in micromhos per centimeter at 25°C.
Because  the  specific  conductance  is  related  to  the number  and specific
chemical types of ions in solution,  it can be  used for approximating the
dissolved-solids content of water.  Commonly,  the concentration of dis-
solved solids (in milligrams per liter) is  about  65 percent of the specific
conductance  (in micromhos per centimeter  at 25°C).  This relation is not
constant from stream to stream,  and it may even vary with time in the same
stream with changes in the composition of the  water.

     Streamflow is the volume of  water and sediment that  passes a given
point within a given period of time.

     Suspended,  recoverable is  the amount of  a  given constituent that is
in solution  after  the part of  a  representative water/suspended-sediment
sample that is retained  on a 0.45- ym membrane filter has been digested by
a method (usually using a dilute acid  solution) that results in dissolution
of only readily soluble  substances.  Complete dissolution of all the par-
                                    VIII

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ticulate matter is not achieved by the digestion treatment and, thus, the
determination represents something less than the "total" amount  (that is,
less than 95 percent)  of  the constituent present in the sample.  To achieve
comparability of analytical data,  equivalent digestion procedures would be
required of  all laboratories performing  such  analyses because different
digestion procedures are likely to produce different analytical results.

     Determinations of "suspended, recoverable" constituents are made ei-
ther by analyzing portions  of the material collected on  the filter or, more
commonly,  by arithmetic  difference,  between  the  determinations  of (1)
total recoverable, and (2) dissolved concentrations of the constituent.

     Suspended sediment  is any  particulate or  colloidal material that is
maintained in suspension by the upward components of turbulent currents.

     Suspended-sediment concentration  is  the  instantaneous  or velocity-
weighted concentration of suspended sediment in the sampled zone  (from the
water surface to a point approximately 0.3 feet  above the bed) expressed as
milligrams of dry sediment per liter of water-sediment mixture.

     Suspended-sediment discharge  (tons/day) is the quantity of sediment,
as measured by dry weight  or volume, that passes a  section of  stream in  a
given time.   It is  computed by multiplying discharge,  in  cubic  feet per
second,  times  suspended-sediment  concentration,  in milligrams per liter,
times 0.0027.

     Suspended, total is  the  total amount of  a given  constituent in the
part of a representative water/suspended-sediment sample that  is retained
on a 0.45- ym membrane filter.  This term is used only when the analytical
procedure assures measurement  of  at least 95  percent  of  the constituent
determined.   A knowledge of the  expected  form of  the constituent in the
sample, as well as the analytical methodology  used, is required to deter-
mine when the results should be reported as "suspended, total."

     Total organic carbon  is an index  of  the  concentration of dissolved-
and suspended-carbonaceous matter.  High concentrations of organic matter
in an aquatic environment  can influence the dissolved-oxygen balance.  If
decomposable organic matter occurs in sufficient concentrations, intensive
bacterial activity can result in complete oxygen depletion.

     Total, recoverable  is the  amount of a given  constituent  that is in
solution after a representative water/suspended-sediment  sample  has been
digested by a method (usually using a dilute acid solution)  that results in
dissolution of only readily  soluble  substances.   Complete dissolution of
all particulate  matter  is  not  achieved  by the digestion  treatment and,
thus, the determination represents something less than the "total" amount
(that is, less than 95 percent) of  the constituent present  in  the dissolved
and suspended phases of the sample.  To achieve  comparability of analytical
data,  equivalent  digestion procedures would  be required  of all labora-
tories performing such analyses  because different digestion procedures are
likely to produce different analytical results.
                                     IX

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     Turbidity  of  a water  is the  reduction  of transparency  due to  the
presence of  suspended-particulate  matter.   Such material  may  consist of
clay or silt, finely divided  organic matter,  or other microscopic organ-
isms which cause light  to be scattered and absorbed  rather than  transmitted
in straight lines through the sample.  One  measurement of turbidity  is  the
Naphelometric Turbidity Unit  (NTU).
                                     X

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                 WATER-QUALITY MONITORING OF THREE MAJOR

                   TRIBUTARIES TO THE CHESAPEAKE BAY—

                           INTERIM DATA REPORT
                    By David J. Lang and David Grason
                                 ABSTRACT


     The U.S. Geological  Survey  is  monitoring the water quality of three
major tributaries to Chesapeake Bay at their fall lines to obtain estimates
of constituent  inputs  potentially available  to  the  bay.   The monitoring
sites  are:   Susquehanna River  at  Conowingo,  Md.;  Potomac River  at
Washington, D.C.; and James River at Cartersville,  Va.  Water-quality data
collected from October  1978 to April 1980 are presented in tables.  Concen-
trations of major  ions,  nutrient and carbon species, metals,  pesticides,
suspended  sediment, and  other  selected constituents  are presented  for a
range of flows.   The mean, standard deviation, minimum, maximum, and median
values for each constituent were determined  by  standard methods  and are
presented  for each sampling station.   Bivariate linear regressions were
run for all constituents  versus streamflow,  specific  conductance, and sus-
pended sediment.  Those relationships exhibiting coefficients  of determi-
nation (R ) greater than 0.50 are tabulated.


                               INTRODUCTION


     The U.S. Environmental  Protection  Agency (EPA)  has been  directed by
the U.S.  Congress  (Senate Report No. 94-326) to conduct an in-depth study
of the environmental quality of Chesapeake Bay.  As part of the EPA study,
the U.S.  Geological Survey  (USGS) is monitoring the  water  quality of the
three major tributaries  to  Chesapeake Bay—the Susquehanna,  Potomac, and
James Rivers (see fig.  1).  Together, these rivers drain about 65 percent
of the land surface area contributing inflow  to Chesapeake Bay.

     The ultimate objectives of  the  project are to provide the following
water-quality information for the Susquehanna,  Potomac,  and  James Rivers
regarding:

     1.  Estimated loadings of major ions, suspended sediment, and selected
         nutrient species and trace metals.

     2.  Seasonal characterization of organic compounds, including selected
         pesticides.

     3.  Error analysis and statements of other limitations inherent in the
         information provided in the first two objectives.

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  50
      EXPLANATION

     	Drainage  Basin boundary

      A    Active Surface Water station

      ^    Active Water Quality station

      A    Active Surface Water and Water
            Quality station
                             77'
              78
                               \y
                               50 MILES
                                               j
                                                 ~ "
                         NY
                         PA
                                                                                           42'
                                           j   Susquehanna
                                                    River
                                                    Basin
                                                                            r
                                                                              ..3
                                                                    "
                          79
                       40" -
                                                  PA
                                                  MD
                                    Conowirvgo  /_  V ,

                                     -
                                                                             PA

                                                                             DEL
                         :,  N j
                           *<*'   >~*        -,\
                               - Potbmac
                                   River  ^  ''
                                   Basin  ^
/
<
                            \
                39
                   Little Folls^

                   Cham Bridget-, {"
       $*•'--  \  '''•

   '1      \
'" x";  '     "\
                                                                                  ?    I
                                                              ,
                                                             V-
                                                   DEL
                                                   MD
          80
                     .
            /  James S
      38   /          S
        /    River   '---
      /      Basin
                                    Cartersvi Me
     37
Figure  1.—Location of  drainage basins of  the  Susquehanna,  Potomac,  and
              James Rivers.

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     This  report is  a  compilation of  water-quality  data collected  from
October 1978 to April 1980.   It provides a base of information useful  to
many  investigators  studying Chesapeake  Bay and river-estuarine  systems.
Load assessments  and  further data analysis will be  presented in a final
report after completion of  the  data-collection phase  in April  1981.
                              ACKNOWLEDGMENT


     The  authors  are grateful to Mr.  Howard  Jarmon and his staff of  the
Susquehanna Electric Co. for the  cooperation and assistance  received while
sampling  at Conowingo Dam on  the Susquehanna River.
                          HYDROLOGIC CONDITIONS


     The  three  primary sampling  sites  are:   Susquehanna  River at Cono-
wingo, Md.; Potomac River at  Chain Bridge at Washington, D.C.; and James
River  at  Cartersville,  Va.   As  the  monitoring points on the Potomac  and
James Rivers are not located at the mouth of the rivers,  the data at these
sites  do  not  directly  reflect constituent input to Chesapeake Bay.  How-
ever,  the data are representative  of constituent concentrations and loads
that are potentially available to  the bay.

     Precipitation during the January 1979  to March  1980  period of data
collection  was  19  to  41 percent  above  average  (table 1) .   Some areas
recorded in excess of 65 in. of  rain  in the 1979  calendar  year.  For  the
same period,  streamflows   at  the sampling  stations  were  12,  46,  and 37
percent above the historical  mean flows for the Susquehanna, Potomac  and
James Rivers, as shown in the following  table.
                                 1979 calendar      Long-term
                                 year average        average       Percent
       Station                     discharge        discharge       above
	(ft /s)	(ft3/s)	mean

Susquehanna River at                 38,400          34,250           12
  Harrisburg, Pa.

Potomac River at                     16,630          11,390           46
  Washington, D.C.

James River at                        9,688           7,046           37
  Cartersville, Va.

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-------
                     DATA COLLECTION AND PRESENTATION


                          Data-Collection Sites

     Figure 1 shows the location of  the water-quality monitoring stations
used  in  the study.   The Susquehanna River  station  is  at Conowingo Dam,
Conowingo, Md., where, if flow conditions permit, base-flow water quality
is measured  every  2 weeks.   The James  River station is at Cartersville,
Va. , and  the  Potomac  River  site is  at Chain Bridge  at  Washington, D.C.;
both  are  sampled monthly for base-flow  water-quality  constituents.   The
USGS  continuously  monitors  stage  and  flow  at  the  Cartersville  and
Conowingo sites.   Potomac River flow is  monitored  at Little Falls, Md.,
half a mile upstream  from Chain Bridge.   Water samples  analyzed for both
sediment  and chemical quality  are  taken at high  flows at  all sites to
better understand  the mechanisms  that  affect  the  water  quality  during
these critical periods of high mass  transport.
                Methods of Sample Collection and Analysis

     All water-quality  and suspended-sediment  samples  were collected by
USGS  personnel by  depth-integrating methods,  as  described  by  Guy and
Norman  (1970).   All  water-quality  samples  were  preserved in  the  field
according  to  methods  described  in  the  National  Handbook  of  Recommended
Methods  for  Water  Data Acquisition  (U.S.  Geological  Survey,  1977) and
analyzed in the USGS Central Laboratory.  Pesticide and organic carbon were
determined according  to methods described by  Goerlitz  and Brown  (1972) ,
and inorganic constituents were analyzed according  to procedures  cited by
Skougstad  and  others  (1979).   Sediment  samples were analyzed in  another
USGS laboratory, by methods described by Guy (1969).
                            Data Presentation

     Simple  bivariate  linear  regressions  were run  for all constituents
against discharge, specific conductance, and suspended  sediment.  The re-
gression line was fitted analytically by the method of  least squares.
                                         2
     The coefficient of  determination (R ) was then  calculated for each
bivariate regression.  This coefficient is  a measure of the degree to which
the variance or square  of the  standard deviation is explained or  accounted
for by the linear regression.   The greater R  is, the better the  regression
line fits  the  observed data  points,  and the more  highly correlated one
variable  is  to another.   Table 2 contains a  list  of constituents whose
coefficients of determination  are greater than 0.50 and are derived from at
least six data  pairs.   Coefficients  of determination less than  0.50 were
not considered significant because,  below this  value,  less than  50 percent
of  the  variation  of  the  dependent   variable  is  being  explained  by the
independent variable.

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     The data in table 2 demonstrate that there exists significant corre-
lations between chemical constituents  for which data are available on an
infrequent, periodic basis, and streamflow,  specific conductance, and sus-
pended sediment  for which continuous  or  once daily  data  are available.
Along with continuous discharge record, these correlations can be used to
provide accurate estimates of constituent loadings.

     Tables 3, 4, and 5 list the number of samples  (n), maximum, minimum,
mean, median, and standard deviation for all parameters collected through
April 2, 1980.

     A compilation  of  all  water-quality data,  except pesticides, for the
three stations is found  in supplemental data A, B, and C.   The data are
from the 1979 and 1980 water years.

     Pesticide data collected  in  connection with the study are assembled
in supplemental  data  D.   Atrazine and  2,4-D  were  the  two constituents
detected most frequently;  their concentrations were highest during summer
runoff.

     Suspended-sediment concentrations and loads for  the Potomac River at
Chain Bridge and the Susquehanna  River at Conowingo are found in supple-
mental data  E and F.   Loads will  not be tabulated  for  the James River
station until more suspended-sediment  information  is  available.

     Bottom  material  samples were  collected approximately  1 mile down-
stream from Conowingo Dam  on the  Susquehanna River, on November 3, 1979.
Results of this analysis are found  in  supplemental data G.

-------
TABLE 3.—BASIC STATISTICS OF WATER-QUALITY DATA FOR SUSQUEHANNA RIVER  AT  CONOWINGO,  MARYLAND (01578310)
WATSTORE/
STORET
CODE
00410
01106
01107
01105
01000
01001
01002
01005
01006
01007
01025
01026
01027
00915
00691
00681
00689
00680
00690
70953
70954
00940
01030
01031
01034
01035
01036
01037
31625
01040
01041
01042
00950
00900
01046
01044
01045
01049
01050
01051
00925
01056
01054
01055
01067
00608
00610
00623
00625
00631
00630
00607
00605
00602
00600
00300
00400
70507
00666
00665
60050
00935
80154
00955
01075
00930
00500
70300
70301
00095
31673
00945
01090
01091
01092
NO.
OF
STAN-
DARD
ANAL-
CONSTITUENT
ALKALINITY (MG/L AS CAC03)
ALUMINUM, DISSOLVED (UG/L AS AL)
ALUMINUM, SUSPENDED RECOV. (UG/L AS AL)
ALUMINUM, TOTAL RECOVERABLE (UG/L AS AL)
ARSENIC, DISSOLVED (UG/L AS AS)
ARSENIC, SUSPENDED TOTAL (UG/L AS AS)
ARSENIC, TOTAL (UG/L AS AS)
BARIUM, DISSOLVED (UG/L AS BA )
BARIUM, SUSPENDED RECOVERABLE (UG/L AS BA )
BARIUM, TOTAL RECOVERABLE (UG/L AS BA)
CADMIUM, DISSOLVED (UG/L AS CD)
CADMIUM, SUSPENDED RECOVERABLE (UG/L AS CD)
CADMIUM, TOTAL RECOVERABLE (UG/L AS CD)
CALCIUM, DISSOLVED (MG/L AS CA)
CARBON, INORGANIC, DISSOLVED (MG/L AS C)
CARBON, ORGANIC DISSOLVED (MG/L AS C)
CARBON, ORGANIC SUSPENDED TOTAL (MG/L AS N)
CARBON, ORGANIC TOTAL (MG/L AS C)
CARBON, TOTAL (MG/L AS C)
CHLOR-A, PHYTOPLANKTON (UG/L)
CHLOR-B, PHYTOPLANKTON (UG/L)
CHLORIDE, DISSOLVED (MG/L AS CD
CHROMIUM, DISSOLVED (UG/L AS CR)
CHROMIUM, SUSPENDED RECOV. (UG/L AS CR)
CHROMIUM, TOTAL RECOVERABLE (UG/L AS CR)
COBALT, DISSOLVED (UG/L AS CO)
COBALT, SUSPENDED RECOVERABLE (UG/L AS CO)
COBALT, TOTAL RECOVERABLE (UG/L AS CO)
COLIFORM, FECAL, 0.7 UM-MF (COLS./100 ML)
COPPER, DISSOLVED (UG/L AS CU)
COPPER, SUSPENDED RECOVERABLE (UG/L AS CU)
COPPER, TOTAL RECOVERABLE (UG/L AS CU)
FLUORIDE, DISSOLVED (MG/L AS F)
HARDNESS (MG/L AS CAC03)
IRON, DISSOLVED (UG/L AS FE)
IRON, SUSPENDED RECOVERABLE (UG/L AS FE )
IRON, TOTAL RECOVERABLE (UG/L AS FE)
LEAD, DISSOLVED (UG/L AS PB)
LEAD, SUSPENDED RECOVERABLE (UG/L AS PB )
LEAD, TOTAL RECOVERABLE (UG/L AS PB )
MAGNESIUM, DISSOLVED (MG/L AS MG)
MANGANESE, DISSOLVED (UG/L AS MN )
MANGANESE, SUSPENDED RECOV. (UG/L AS MN )
MANGANESE, TOTAL RECOVERABLE (UG/L AS MN )
NICKEL, TOTAL RECOVERABLE (UG/L AS NI)
NITROGEN, AMMONIA DISSOLVED (MG/L AS N)
NITROGEN, AMMONIA TOTAL (MG/L AS N)
NITROGEN, AMMONIA + ORGANIC DIS. (MG/L AS N)
NITROGEN, AMMONIA + ORGANIC TOTAL (MG/L AS N)
NITROGEN, N02 + N03 DISSOLVED (MG/L AS N)
NITROGEN, N02 + N03 TOTAL (MG/L AS N)
NITROGEN, ORGANIC DISSOLVED !MC/L AS N)
NITROGEN, ORGANIC TOTAL (MG/L AS N)
NITROGEN, DISSOLVED (MG/L AS N)
NITROGEN, TOTAL (MG/L AS N)
OXYGEN, DISSOLVED (MG/L)
PH (UNITS)
PHOSPHORUS, ORTHO. TOTAL (MG/L AS P)
PHOSPHORUS, DISSOLVED (MG/L AS P)
PHOSPHORUS, TOTAL (MG/L AS P)
PHYTOPLANKTON, TOTAL (CELLS PER ML)
POTASSIUM, DISSOLVED (MG/L AS K)
SEDIMENT, SUSPENDED (MG/L)
SILICA, DISSOLVED (MG/L AS SI02)
SILVER, DISSOLVED (UG/L AS AG)
SODIUM, DISSOLVED (MG/L AS NA )
SOLIDS, RESIDUE AT 105 DEG. C, TOTAL (MG/L)
SOLIDS, RESIDUE AT 180 DEG. C DISSOLVED (MG/L)
SOLIDS, SUM OF CONSTITUENTS, DISSOLVED (MG/L)
SPECIFIC CONDUCTANCE (MICROMHOS)
STREPTOCOCCI, FECAL, KF AGAR (COLS. PER 100/ML)
SULFATE, DISSOLVED (MG/L AS S04)
ZINC, DISSOLVED (UG/L AS ZN)
ZINC, SUSPENDED RECOVERABLE (UG/L AS ZN )
ZINC, TOTAL RECOVERABLE (UG/L AS ZN)
YSES
56
67
66
67
5
5
19
4
5
5
5
5
31
56
36
34
7
42
41
46
46
56
5
5
30
5
5
5
12
5
5
31
56
56
70
58
69
5
5
31
56
69
68
68
29
50
68
49
69
64
69
/ /.
68
44
69
48
56
63
70
69
6
56
131
56
5
56
39
20
52
145
12
56
5
5
31
MEAN
32.
129.
937.
1090.
0.
0.
1.
17.
22.
30.
0.
4.
1.
20.
9.
3.
1.
3.
14.
6.
0.
9.
10.
4.
11.
1.
0.
1.
54.
1.
5.
5.
0.
73.
69.
1675.
1680.
1.
7.
70.
5.
120.
79.
200.
11.
0.
0.
0.
0.
1.
1.
0 .
0.
1.
1.
12.
7.
0.
0.
0.
12231.
1.
27.
3.
0.
6.
155.
126.
104.
215.
81.
35.
26.
6.
34.
DEVI
MINIMUM
ATION
79
55
12
45
80
40
74
50
00
00
80
20
87
11
99
36
47
04
59
84
00
90
00
00
03
00
60
20
75
80
40
29
09
50
71
52
00
00
00
10
68
14
41
44
62
08
11
37
52
15
16
30
41
59
69
02
81
02
02
18
67
71
12
67
00
64
05
30
87
10
58
41
00
00
84
13.
134.
2167.
2139.
0.
0.
1.
20.
43.
44.
0.
8.
4.
7.
4.
1.
1.
1.
3.
5.
0.
3.
0.
8.
7.
1.
0.
1.
81.
0.
8.
4,
0.
27.
95.
3161.
2894.
2.
5.
321.
2.
86.
90.
139.
7.
0.
0.
0.
0.
0.
0.
0 .
0.
0.
0.
2.
0.
0.
0.
0.
15749.
0.
53.
1.
0.
2.
36.
45.
33.
45.
120.
14.
27.
5.
27.
45
23
78
55
84
55
52
62
82
72
84
29
37
11
53
60
05
52
18
27
00
22
00
94
95
00
89
30
35
45
96
47
04
32
67
10
47
24
15
93
33
20
24
58
13
06
07
15
25
29
31
13
22
37
38
59
31
02
02
82
86
33
82
42
00
42
17
83
49
95
28
20
02
48
91
VALUE
0
0
0
0
0
0
0
0
0
0
0
0
0
9
1
1
0
1
10
0
0
3
10
0
0
0
0
0
1
1
0
2
0
33
0
0
20
0
2
0
2
0
0
50
2
0
0
0
0
0
0
C
0
0
0
5
7
0
0
0
390
1
1
0
0
2
96
64
53
110
1
17
0
0
0
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.30
.70
.00
.30
.30
.00
.00
.00
.40
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.40
.00
.00
.00
.00
.00
.00
.10
.08
.53
.56
.06
.06
.75
.95
.20
.05
.00
.00
.01
.00
.20
.00
.10
.00
.90
.00
.00
.00
.00
.00
.00
.00
.00
.00
MAXIMUM
VALUE
59.
600.
12000.
12000.
2.
1.
6.
40.
100.
100.
2.
19.
20.
33.
24.
7.
2.
7.
25.
18.
0.
16.
10.
20.
30.
2.
2.
3.
230.
2.
21.
23.
0.
120.
690.
15000.
15000.
5.
15.
1800.
10.
400.
700.
1100.
29.
0.
0.
0.
1.
1.
1.
0.
1.
2.
2.
15.
8.
0.
0.
6.
41000.
2.
454.
6.
0.
11.
250.
213.
173.
335.
360.
65.
70.
10.
120.

00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
40
80
60
00
40
00
00
00
00
00
00
00
00
00
00
00
00
20
00
00
00
00
00
00
00
00
00
00
00
00
24
31
61
50
80
90
53
20
50
50
40
40
08
11
90
00
40
00
00
00
00
00
00
00
00
00
00
00
00
00
MEDIAN
30.50
100.00
330.00
600.00
1.00
0.00
1.00
15.00
1.00
0.00
1.00
0.00
0.00
18.50
10.00
2.95
1.50
2.45
15.00
6.06
0.00
9.20
10.00
0.00
<10.00
1.00
0.00
1.00
10.00
2.00
1.00
4.00
0.10
67.00
50.00
445.00
620.00
0.00
7.00
5.00
5.00
130.00
70.00
180.00
10.00
0.06
0.10
0.36
0.50
1.10
1.10
0.30
0.38
1.60
1.60
12.80
7.90
0.02
0.02
0.06
5050.00
1.60
15.00
4.10
0.00
6.20
157.00
115.00
98.00
220.00
15.50
33.00
20.00
10.00
30.00

-------
TABLE 4.—BASIC STATISTICS OF WATER-QUALITY  DATA FOR THE POTOMAC RIVER AT CHAIN BRIDGE  AT  WASHINGTON,
            B.C.  (01646580)
WATSTORE
STORET
CODE
00410
01106
01107
01105
01000
01001
01002
01005
01006
01007
01025
01026
01027
00915
00691
00681
00689
00680
00690
70953
70954
00940
01030
01031
01034
01035
01036
01037
31625
01040
01041
01042
00950
00900
01046
01044
01045
01049
0105C
01051
00925
01056
01054
01055
01067
00608
00610
00623
00625
00631
00630
00607
00605
00602
00600
00300
00400
70507
00666
00665
60050
00935
80154
00955
01075
00930
00500
70300
70301
00095
31673
00945
01090
01091
01092
/ OF
ANAL-
CONSTITUENT YSES
ALKALINITY (MG/L AS CAC03)
ALUMINUM, DISSOLVED (UG/L AS AD
ALUMINUM, SUSPENDED RECDV. (UG/L AS AL)
ALUMINUM, TOTAL RECOVERABLE (UG/L AS AL)
ARSENIC, DISSOLVED (UG/L AS AS)
ARSENIC, SUSPENDED TOTAL (UG/L AS AS)
ARSENIC, TOTAL (UG/L AS AS)
BARIUM, DISSOLVED (UG/L AS BA )
BARIUM, SUSPENDED RECOVERABLE (UG/L AS BA)
BARIUM, TOTAL RECOVERABLE (UG/L AS BA)
CADMIUM, DISSOLVED (UG/L AS CD)
CADMIUM, SUSPENDED RECOVERABLE (UG/L AS CD)
CADMIUM, TOTAL RECOVERABLE (UG/L AS CD)
CALCIUM, DISSOLVED (MG/L AS CA)
CARBON, INORGANIC, DISSOLVED (MG/L AS C)
CARBON, ORGANIC DISSOLVED (MG/L AS C)
CARBON, ORGANIC SUSPENDED TOTAL (MG/L AS N)
CARBON, ORGANIC TOTAL (MG/L AS C)
CARBON, TOTAL (MG/L AS C)
CHLOR-A, PHYTOPLANKTON (UG/L)
CHLOR-B, PHYTOPLANKTON (UG/L)
CHLORIDE, DISSOLVED (MG/L AS CD
CHROMIUM, DISSOLVED (UG/L AS CR)
CHROMIUM, SUSPENDED RECOV. (UG/L AS CR)
CHROMIUM, TOTAL RECOVERABLE (UG/L AS CR)
COBALT, DISSOLVED (UG/L AS CO)
COBALT, SUSPENDED RECOVERABLE (UG/L AS CO)
COBALT, TOTAL RECOVERABLE (UG/L AS CO)
COLIFORM, FECAL, 0.7 UM-MF (COLS./100 ML)
COPPER, DISSOLVED (UG/L AS CU)
COPPER, SUSPENDED RECOVERABLE (UG/L AS CU)
COPPER, TOTAL RECOVERABLE (UG/L AS CU)
FLUORIDE, DISSOLVED (MG/L AS F)
HARDNESS (MG/L AS CAC03)
IRON, DISSOLVED (UG/L AS FE)
IRON, SUSPENDED RECOVERABLE (UG/L AS FE )
IRON, TOTAL RECOVERABLE (UG/L AS FE )
LEAD, DISSOLVED (UG/L AS PB )
LEAD, SUSPENDED RECOVERABLE (UG/L AS PB )
LEAD, TOTAL RECOVERABLE (UG/L AS PB)
MAGNESIUM, DISSOLVED (MG/L AS MG)
MANGANESE, DISSOLVED IUG/L AS MN )
MANGANESE, SUSPENDED RECOV. (UG/L AS MN )
MANGANESE, TOTAL RECOVERABLE (UG/L AS MN )
NICKEL, TOTAL RECOVERABLE (UG/L AS NI)
NITROGEN, AMMONIA DISSOLVED (MG/L AS N)
NITROGEN, AMMONIA TOTAL (MG/L AS N)
NITROGEN, AMMONIA + ORGANIC DIS. (MG/L AS N)
NITROGEN, AMMONIA + ORGANIC TOTAL (MG/L AS N)
NITROGEN, N02 + N03 DISSOLVED (MG/L AS N)
NITROGEN, N02 + N03 TOTAL (MG/L AS N)
NITROGEN, ORGANIC DISSOLVED (MG/L AS N)
NITROGEN, ORGANIC TOTAL (MG/L AS N)
NITROGEN, DISSOLVED (MG/L AS N)
NITROGEN, TOTAL (MG/L AS N)
OXYGEN, DISSOLVED (MG/L)
PH (UNITS)
PHOSPHORUS, ORTHO. TOTAL (MG/L AS P)
PHOSPHORUS, DISSOLVED (MG/L AS P)
PHOSPHORUS, TOTAL (MG/L AS P)
PHYTOPLANKTON, TOTAL (CELLS PER ML)
POTASSIUM, DISSOLVED (MG/L AS K)
SEDIMENT, SUSPENDED (MG/L)
SILICA, DISSOLVED (MG/L AS SI02)
SILVER, DISSOLVED (UG/L AS AG)
SODIUM, DISSOLVED (MG/L AS NA)
SOLIDS, RESIDUE AT 105 DEG. C, TOTAL (MG/L)
SOLIDS, RESIDUE AT 180 DEG. C DISSOLVED (MG/L)
SOLIDS, SUM OF CONSTITUENTS, DISSOLVED (MG/L)
SPECIFIC CONDUCTANCE (MICROMHOS)
STREPTOCOCCI, FECAL, KF AGAR (COLS. PER 100/ML)
SULFATE, DISSOLVED (MG/L AS S04)
ZINC, DISSOLVED (UG/L AS ZN)
ZINC, SUSPENDED RECOVERABLE (UG/L AS ZN )
ZINC, TOTAL RECOVERABLE (UG/L AS ZN)
38
35
34
34
6
5
11
4
5
6
6
5
17
38
26
32
11
28
24
28
28
38
6
6
17
6
5
6
18
6
6
17
38
38
36
32
34
16
16
27
38
36
35
35
16
30
40
37
42
34
40
26
40
28
40
17
29
31
41
42
7
38
290
40
6
38
25
22
38
36
18
38
6
6
17
MEAN
63
101
3563
3647
1
0
1
42
60
66
3
0
0
26
14
4
2
7
25
25
0
9
13
8
13
0
4
4
855
1
7
6
0
91
58
7153
6905
7
23
23
5
9
304
313
10
0
0
0
0
1
1
0
0
1
2
10
8
0
0
0
23512
2
158
5
0
7
326
160
126
238
5501
27
17
35
32
.39
.43
.82
.65
.00
.40
.18
.50
.00
.67
.00
.40
.47
.87
.18
.07
.96
.35
.46
.41
.56
.42
.33
.33
.06
.67
.60
.33
.11
.33
.50
.06
.12
.34
.92
.12
.29
.19
.81
.59
.87
.83
.60
.71
.12
.05
.14
.46
.93
.18
.24
.50
.82
.79
.20
.88
.16
.05
.05
.23
.86
.28
.23
.08
.00
.96
.24
.86
.42
.86
.61
.21
.00
.00
.94
DARD
DEVI-
ATION
24.
92.
4429.
4384.
0.
0.
0.
41.
89.
81.
4.
0.
0.
9.
6.
1.
5.
4.
6.
27.
1.
4.
10.
7.
9.
0.
8.
7.
2580.
1.
12.
7.
0.
33.
53.
8909.
8695.
14.
32.
30.
2.
6.
339.
337.
9.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
2.
0.
0.
0.
0.
39536.
0.
222.
2.
0.
4.
256.
51.
43.
72.
19669.
13.
31.
25.
32.
38
55
42
08
63
55
87
93
44
65
56
89
87
35
21
65
72
98
76
82
86
53
33
53
56
82
23
34
37
03
02
67
10
00
62
68
33
82
72
17
35
92
50
40
62
07
24
31
82
40
36
31
71
52
95
31
29
05
04
25
81
79
97
10
00
67
30
33
93
87
10
14
21
88
93
MINIMUM MAXIMUM
VALUE
29
30
0
80
0
0
0
0
0
0
0
0
0
13
1
2
0
1
19
0
0
4
0
0
0
0
0
0
1
0
0
0
0
43
0
10
70
0
0
0
2
0
1
10
1
0
0
0
0
0
0
0
0
0
1
6
7
0
0
0
190
1
2
0
0
3
115
70
63
135
2
11
0
0
10
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.80
.10
.20
.60
.00
.00
.00
.50
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.50
.00
.00
.00
.00
.00
.00
.06
.08
.39
.41
.03
.06
.80
.10
.70
.40
.00
.00
.00
.00
.20
.00
.20
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
VALUE
140
400
15000
15000
2
1
3
100
200
200
12
2
3
58
24
8
20
25
52
81
8
25
30
20
40
2
19
19
11000
3
31
34
0
200
270
30000
30000
60
120
130
13
30
1200
1200
30
0
0
1
3
1
2
1
2
2
4
14
8
0
0
1
110000
4
1169
8
0
26
1030
306
284
450
84000
74
80
70
150
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.10
.00
.00
.00
.00
.79
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.70
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.31
.90
.10
.50
.90
.00
.10
.60
.90
.70
.20
.70
.23
.17
.00
.00
.30
.00
.40
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
MEDIAN
61.00
60.00
1600.00
1850.00
1.00
0.00
1.00
35.00
0.00
50.00
1.50
0.00
0.00
25.00
14.50
3.80
1.30
5.75
24.50
15.65
0.00
7.65
10.00
10.00
10.00
.50
0.00
1.50
60.00
1.00
3.00
4.00
0.10
86.00
45.00
2750.00
2800.00
2.00
9.00
10.00
5.35
8.50
170.00
190.00
6.00
0.02
0.06
0.39
0.60
1.30
1.30
0.41
0.56
1.70
2.00
10.80
8.10
0.04
0.04
0.12
3500.00
1.85
46.00
5.85
0.00
7.25
209.00
153.50
120.00
220.00
270.00
24.50
6.00
40.00
30.00

-------
TABLE 5.—BASIC STATISTICS OF WATER-QUALITY DATA FOR THE  JAMES  RIVER  AT  CARTERSVILLE,  VIRGINIA (02035000)
WATSTORE/
STORET
CODE
00410
01106
01107
01105
01000
01001
01002
01005
01006
01007
01025
01026
01027
00915
00691
00681
00689
00680
00690
70953
70954
00940
01030
01031
01034
01035
01036
01037
31625
01040
01041
01042
00950
00900
01046
01044
01045
01049
01050
01051
00925
01056
01054
01055
01067
00608
00610
00623
00625
00631
00630
00607
00605
00602
00600
00300
00400
70507
00666
00665
60050
00935
80154
00955
01075
00930
00500
70300
70301
00095
31673
00945
01090
01091
01092

CONSTITUENT
ALKALINITY (MG/L AS CAC03)
ALUMINUM, DISSOLVED (UG/L AS AL)
ALUMINUM, SUSPENDED RECOV. (UG/L AS AL)
ALUMINUM, TOTAL RECOVERABLE (UG/L AS AL)
ARSENIC, DISSOLVED (UG/L AS AS)
ARSENIC, SUSPENDED TOTAL (UG/L AS AS)
ARSENIC, TOTAL (UG/L AS AS)
BARIUM, DISSOLVED (UG/L AS BA )
BARIUM, SUSPENDED RECOVERABLE (UG/L AS BA )
BARIUM, TOTAL RECOVERABLE (UG/L AS BA )
CADMIUM, DISSOLVED (UG/L AS CD)
CADMIUM, SUSPENDED RECOVERABLE (UG/L AS CD)
CADMIUM, TOTAL RECOVERABLE (UG/L AS CD)
CALCIUM, DISSOLVED (MG/L AS CA)
CARBON, INORGANIC, DISSOLVED (MG/L AS C)
CARBON, ORGANIC DISSOLVED (MG/L AS C)
CARBON, ORGANIC SUSPENDED TOTAL (MG/L AS N)
CARBON, ORGANIC TOTAL (MG/L AS C)
CARBON, TOTAL (MG/L AS C)
CHLOR-A, PHYTOPLANKTON (UG/L)
CHLOR-B, PHYTOPLANKTON (UG/L)
CHLORIDE, DISSOLVED (MG/L AS CD
CHROMIUM, DISSOLVED (UG/L AS CR)
CHROMIUM, SUSPENDED RECOV. (UG/L AS CR)
CHROMIUM, TOTAL RECOVERABLE (UG/L AS CR)
COBALT, DISSOLVED (UG/L AS CO)
COBALT, SUSPENDED RECOVERABLE (UG/L AS CO)
COBALT, TOTAL RECOVERABLE (UG/L AS CO)
COLIFORM, FECAL, 0.7 UM-MF (COLS./100 ML)
COPPER, DISSOLVED (UG/L AS CU)
COPPER, SUSPENDED RECOVERABLE (UG/L AS CU)
COPPER, TOTAL RECOVERABLE (UG/L AS CU)
FLUORIDE, DISSOLVED (MG/L AS F)
HARDNESS (MG/L AS CAC03)
IRON, DISSOLVED (UG/L AS FE)
IRON, SUSPENDED RECOVERABLE (UG/L AS FE )
IRON, TOTAL RECOVERABLE (UG/L AS FE )
LEAD, DISSOLVED (UG/L AS PB )
LEAD, SUSPENDED RECOVERABLE (UG/L AS PB )
LEAD, TOTAL RECOVERABLE (UG/L AS PB)
MAGNESIUM, DISSOLVED (MG/L AS MG)
MANGANESE, DISSOLVED (UG/L AS MN )
MANGANESE, SUSPENDED RECOV. (UG/L AS MN )
MANGANESE, TOTAL RECOVERABLE (UG/L AS MN 1
NICKEL, TOTAL RECOVERABLE (UG/L AS NI)
NITROGEN, AMMONIA DISSOLVED (MG/L AS N)
NITROGEN, AMMONIA TOTAL (MG/L AS N)
NITROGEN, AMMONIA + ORGANIC DIS. (MG/L AS N)
NITROGEN, AMMONIA + ORGANIC TOTAL (MG/L AS N)
NITROGEN, N02 + N03 DISSOLVED (MG/L AS N)
NITROGEN: N02 + NOB TOTAL (MG/L A S N)
NITROGEN, ORGANIC DISSOLVED (MG/L AS N)
NITROGEN, ORGANIC TOTAL (MG/L AS N)
NITROGEN, DISSOLVED (MG/L AS N)
NITROGEN, TOTAL (MG/L AS N)
OXYGEN, DISSOLVED (MG/L)
PH (UNITS)
PHOSPHORUS, ORTHO. TOTAL (MG/L AS P)
PHOSPHORUS, DISSOLVED (MG/L AS P)
PHOSPHORUS, TOTAL (MG/L AS P)
PHYTOPLANKTON, TOTAL (CELLS PER ML)
POTASSIUM, DISSOLVED (MG/L AS K)
SEDIMENT, SUSPENDED (MG/L)
SILICA, DISSOLVED (MG/L AS SI02)
SILVER, DISSOLVED (UG/L AS AG)
SODIUM, DISSOLVED (MG/L AS NA)
SOLIDS, RESIDUE AT 105 DEC. C, TOTAL (MG/L)
SOLIDS, RESIDUE AT 180 DEC. C DISSOLVED (MG/L)
SOLIDS, SUM OF CONSTITUENTS, DISSOLVED (MG/L)
SPECIFIC CONDUCTANCE (MICROMHOS)
STREPTOCOCCI, FECAL, KF AGAR (COLS. PER 100/ML)
SULFATE, DISSOLVED (MG/L AS 504)
ZINC, DISSOLVED (UG/L AS ZN )
ZINC, SUSPENDED RECOVERABLE (UG/L AS ZN )
ZINC, TOTAL RECOVERABLE (UG/L AS ZN)
NO.
OF
ANAL-
YSES
24
21
15
17
7
3
7
7
5
6
7
6
9
24
13
18
5
21
14
7
7
24
7
6
6
7
6
7
17
7
7
9
24
24
23
19
23
7
7
9
24
25
25
25
5
16
30
28
30
17
30
15
30
16
30
30
32
21
30
30
7
24
53
24
7
24
11
19
24
32
17
24
7
7
9
STAN-
DARD

MEAN
43.
211.
1033.
1159.
1.
1.
1.
42.
50.
66.
1.
1.
1.
15.
11.
5.
1.
3.
15.
2.
0.
7.
8.
15.
23.
0.
1.
1.
716.
3.
3.
5.
0.
53.
90.
2548.
3247.
2.
5.
6.
3.
5.
82.
87.
4.
0.
0.
0.
0.
0.
0 -
0.
0.
0.
0.
10.
7.
0.
0.
0.
3951.
1.
202.
7.
0.
5.
98.
87.
78.
137.
765.
9.
7.
37.
43.

DEVI
MINIMUM
ATION
62
14
33
65
00
33
86
86
00
67
00
00
22
80
22
38
34
56
78
62
00
89
57
00
33
57
17
42
53
43
43
67
09
29
00
42
83
14
71
44
38
60
84
60
40
02
04
26
43
29
37
33
39
63
80
91
20
05
05
12
14
88
00
58
00
31
73
63
96
78
65
98
28
14
33
12.
131.
1625.
1583.
1.
2.
1.
29.
86.
81.
0.
1.
1.
4.
1.
3.
1.
1.
1.
2.
0.
5.
6.
10.
15.
0.
1.
1.
1269.
2.
3.
2.
0.
15.
60.
3891.
4539.
1.
6.
6.
0.
4.
105.
105.
2.
0.
0.
0.
0.
0.
0 *
0.
0.
0.
0.
1.
0.
0.
0.
0.
7222.
1.
140.
0.
0.
3.
51.
25.
23.
46.
1179.
3.
7.
20.
18.
79
28
10
68
41
31
77
84
60
65
58
26
30
74
95
99
90
76
84
75
00
71
90
49
06
53
60
90
37
99
64
96
03
39
60
67
61
95
92
39
97
75
73
76
51
02
05
26
29
06
35
32
28
33
51
89
48
04
03
10
74
28
00
94
00
51
31
02
85
31
57
57
09
59
71
VALUE
21.
4.
0.
4.
0.
0.
0.
0.
0.
0.
0.
0.
0.
8.
8.
1.
0.
1.
12.
0.
0.
3.
0.
0.
10.
0.
0.
0.
9.
1.
0.
3.
0.
29.
10.
210.
290.
0.
0.
0.
1.
0.
2.
10.
2.
0.
0.
0.
0.
0.
n _
0.
0.
0.
0.
7.
6.
0.
0.
0.
43.
0.
2.
6.
0.
2.
34.
63.
49.
75.
11.
6.
0.
20.
20.
00
00
00
00
00
00
00
00
00
00
00
00
00
40
30
20
20
60
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
90
00
00
00
00
00
00
04
00
15
03
07
00
32
23
70
30
02
02
04
00
90
00
00
00
50
00
00
00
00
00
90
00
00
00
MAXIMUM
VALUE
67.
600.
6300.
6700.
3.
4.
4.
100.
200.
200.
2.
3.
4.
31.
14.
16.
4.
7.
19.
6.
0.
28.
20.
30.
50.
1.
4.
5.
4100.
10.
8.
11.
0.
100.
300.
14000.
14000.
5.
19.
21.
5.
20.
340.
350.
7.
0.
0.
1.
1.
0.
2.
1.
1.
1.
2.
14.
8.
0.
0.
0.
20000.
7.
449.
9.
0.
16.
236.
149.
149.
303.
3900.
21.
20.
70.
80.

00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
70
70
00
26
00
00
00
00
00
00
00
00
00
00
00
00
10
00
00
00
00
00
00
00
90
00
00
00
00
06
23
30
40
37
10
30
30
60
80
10
60
19
15
48
00
00
00
50
00
00
00
00
00
00
00
00
00
00
00
MEDIAN
42.00
200.00
400.00
600.00
0.00
0.00
1.00
40.00
0.00
50.00
1.00
0.00
1.00
16.00
11.00
4.10
0.70
2.70
16.00
2.12
0.00
6.00
10.00
15.00
10.00
1.00
0.00
1.00
61.00
3.00
3.00
5.00
0.10
53.00
80.00
1000.00
1100.00
2.00
2.00
5.00
3.20
4.00
30.00
40.00
4.00
0.01
0.03
0.16
0.34
0.28
0.29
0.27
0.30
0.48
0.62
10.90
7.25
0.03
0.04
0.09
1400.00
1.40
234.00
7.60
0.00
4.45
86.00
77.00
72.50
132.00
92.00
9.00
8.00
30.00
40.00
                                                      10

-------
                                REFERENCES


Goerlitz, D. F., and Brown, Eugene, 1972, Methods for analysis of organic
     substances in water:  U.S. Geological Survey Techniques of Water-Re-
     sources Investigations, Book 5, Chapter A3, 40 p.

Guy, H.  P., 1969, Laboratory  theory  and methods  for sediment analysis:
     U.S. Geological Survey Techniques of Water-Resources Investigations,
     Book 5, Chapter Cl, 58 p.

Guy, H.  P., and  Norman, U. W. ,  1970,  Field methods  for  measurement of
     fluvial sediment:    U.S.  Geological Survey  Techniques of Water-Re-
     sources Investigations, Book 3, Chapter C2, 59 p.

National Oceanic and Atmospheric Administration,  1979  (v. 82), 1980  (v. 83),
     Climatological  data  for  Maryland;     temperature  and precipitation
     extremes:   National Oceanic and Atmospheric  Administration,  v. 82,
      nos.  1-12; v. 83,  nos. 1-3  [no. 3,  in press].

National Oceanic and Atmospheric Administration,  1979  (v. 84) , 1980  (v. 85) ,
     Climatological  data for  Pennsylvania;     temperature  and precipi-
     tation extremes:    National  Oceanic and Atmospheric  Administration
     v. 84, nos. 1-12; v. 85, nos. 1-3  [no. 3,  in press].

National  Oceanic  and  Atmospheric Administration,  1979,  (v.   82),  1980
     (v.  83), Climatological data  for Virginia;  temperature  and precipita-
     tion extremes:   National  Oceanic  and Atmospheric Administration, v.
     82, nos. 1-12; v. 83, nos. 1-3 [no.  3, in  press].

Skougstad,  M. W. ,  Fishman,  M.  J., Friedman,  L. C. ,  Erdmann,  D.  E. , and
     Duncan, S. S., 1979, Methods for determination of  inorganic substances
     in water and fluvial sediments:  U.S. Geological Survey Techniques of
     Water-Resources Investigations, Book 5, Chapter Al, 626 p.

U.S. Geological Survey,  1977,  National  handbook of  recommended  methods
     for water-data acquisition:  U.S. Geological Survey, Office of Water-
     Data Coordination.

Wetzel, R. G.,  1975,  Limnology:  New York, W. B. Saunders,   743 p.
                                   11

-------
12

-------
SUPPLEMENTAL DATA
     13

-------
                 SUPPLEMENTAL DATA A:   WATER-QUALITY DATA, NOVEMBER 1978 THROUGH APRIL  1980

                             Susquehanna River at Conowingo, Maryland  (01578310)
          TIMt
 DATE
NOV ,
 03..,
 28...
 28.. .
DEC
 21...
 21...
JAN ,
 10...
 10...
 25...
 25...
 29...
 29...
FEH
 Ib. .,
 16. ..
 28. ..
MAR
 07...
 08...
 09..,
 12...
 13...
 28...
APR
 11..,
 23..,
MAY
 OH..,
 22...
JUN
 06. ..
 2b...
JUL
 10..,
 24..
AUG
 08.. ,
 17..,
:>EP
 04. . ,
 08. .,
 19..
 19...
 19..,
      197*
1979
 Ills
 1030
 1100

 1000
 1100
1
 1030
 1115
 1330
 1430
 lOlb
 Ills

 1000
 1030
 094b

 1700
 1630
 1500
 1600
 1500
 1000

 1200
 1230

 1200
 1100

 1500
 1030

 1130
 1200

 1200
 1230

 1100
 1700
 0815
 1015
 1215
 1415
 1615
 1915
SAMPLE
LOC-
ATION,
CROSS
SECTION
(* FROM
L SANK)
(00002)
_,
25
75
75
25
75
25
75
25
75
25
75
2b
—
—
--
—
--
--
—
—
—
	
—
—
—
__
—
—
—
—
—
—
—
—
—
—
—
SPE- COLI- STREP-
CIFIC FORM, TOCOCCI
STREAM- CON- FECAL, FECAL,
FLOW, DUCT- TEMPER- TDK- OXYGEN, 0.7 KF AGAR
INSTAN- ANCE PH ATURE, TEMPER- BID- PIS- UM-MF (COLS.
TANEOUS (MICRO- AIR ATURE I T V SOLVED (COLS./ PER
(CFS) MHOS) (UNITS) (DEC, C) (DEG C) (NTU) CMI5/L) 100 ML) 100 ML)
(OOObl) (00095) (00400) (00020) (00010) (00076) (00300) (31625) (31673)
61000
63500
63200
71300
70600
102000
120JOO
285000
365000
172000
158000
49200
48300
179000
448000
396000
305000
171000
159000
15?000
84200
78500
70100
57200
79600
46300
39600
57200
34300
53000
29800
57100
13100
39800
40300
48400
31900
23400
315
310
310
205
?10
140
165
205
205
155
100
210
255
155
125
110
115
145
160
190
180
185
?20
240
180
240
310
300
335
315
?78
2bO
->30
230
225
225
235
—
fl.O
=1.0
7.9
8.0
7.7
7.9
7.5
7.7
H.I
8.2
7.7
7.5
7.3
7.1
7.9
7.9
7.7
8.1
8.0
B.I
7.8
3.0
8.4
7.fi
8.1
7.7
7.9
7.7
7.6
7.9
8.1
--
7.9
7.7
7.6
7.8
7.5
—
14.0
4.0
4.0
7.0
7.0
-.5
—
3.5
3.5
7.0
7.0
-5.0
-5.0
5.5
7.0
8.0
11.0
5.5
10.0
6.U
13.1
24.1
25.2
20.5
23.3
22.0
25.0
28.2
31.0
24.5
26.3
—
20.0
21.5
18.0
22.0
21.0
—
13.5
9.5
9.5
3.0
3.0
1.0
1.0
1.5
1.5
1.5
1.5
1.0
1.5
1.0
4.5
5.0
5.5
4.5
4.0
7^0 10
9.0
14.2 5.0
18.5
21.2 3.0
20.3
24.0 4.0
24.0
28.0 3.0
29.0
24.0 4.0
27.5 89
—
-_
—
22.0
22. i)
22.0
—
9.3
10.0
10.0
1 3.0
13.0
14.6
14.9
15.4
15.2
14.4
14.6
13.6
13.5
14.5
11.6
13.0
13.8
13.7
11.6
12. b
—
10.8
10.2
—
—
—
5.3
5.2
6.1
—
7.8
--
—
—
—
—
—
—
	 	
—
— —
—
—
—
—
—
—
—
— —
—
—
—
—
—
—
—
—
200 210
—
—
—
K3 56
—
K.4 K19
—
K4 K8
—
K4 K12
K16 <1
—
—
—
—
—
—
--
K Results based on colony count outside the acceptable  range  (non-ideal  colony count).
                                                    14

-------
            SUPPLEMENTAL DATA A:  WATER-QUALITY  DATA,  NOVEMBER 1978 THROUGH APRIL 1980

                  Susquehanna River at Conowingo, Maryland  (01578310)--Continued
OCT
 U3.
 12.
 le.
 31.
 31 .
'
-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980



      Susquehanna River at Conowingo,  Maryland (01578310)--Continued
HARD- MAGNE- SODIUM POTAS- CrtLO-
riAKU- MESS, CALCIUM SIUM, SOOIUM, AD- SIUM, ALKA- SULFATE HIDE,
'ESS (MONCAR- DIS- DIS- DIS- SORP- DIS- UNITY DIS- OIS-
(MG/L BONATE SOLVED SOLVED SOLVED TION SOLVED (MG/L SOLVED SOLVED
AS (MG/L (MG/L (MG/L (MG/L SOuIUM RATIO (MG/L AS (MG/L (MG/L
DATE I.AC03) CAC03) AS CA) AS «G) AS NA ) PERCENT AS K) CAC03) AS S04) AS CD
(OOSOO) (00902) (00915) (009251 (00930) (00932) (00931) (00935) (00410) (00945) (00940)
MOV , 1978
09...
2H...
ZH...
DEC
21...
21...
JAN , 1979
1 0 ...
10...
25...
25...
29...
29...
16. . .
Ib...
28...
MAK
07...
08. ..
09. ..
12...
13...
28...
APR
11...
23...
MAY
OH. . .
22...
JUN
Ob...
26...
JUL
10...
24...
AUG
08. ..
17. ..
SEP
04. . .
OH. ..
19...
19...
19...
19...
19...
19...

120
120
12H

68
68

58
ol
59
58
44
47
92
«8
43

35
33
36
47
50
66

—
64

—
90

—
100

—
120

—
120

110
110
--
—
—
—
--
—

--
—
--

37
37

35
38
34
32
24
28
52
49
21

18
21
18
26
50
36

—
29

--
4y

—
59

--
65

--
68

62
59
—
--
—
—
—
—

33
31
31

19
19

16
1 7
16
16
12
13
25
24
12

10
9.3
10
13
14
18

—
18

—
24

--
28

--
33

—
32

29
2d
--
--
—
—
—
—

10
9.5
9.4

b.l
5.0

4.4
4.6
4.6
4.3
3.5
3.5
7.2
6.9
3.1

2.5
2.4
2.7
3.6
3.7
5.0

—
4.6

—
7.3

—
7.9

—
10

—
9.8

8.9
9.0
—
—
—
—
—
—

10
11
11

6.?
6.3

5.3
5.4
8.5
8.6
6.0
5. 1
7.6
7.3
5.1

3.7
2.9
3.2
3.6
3.3
4.9

—
4.5

—
7.1

—
7.3

—
9.8

—
11

9.4
9.5
—
--
—
—
--
—

15
1 J
17

Ib
16

16
Ib
23
24
22
IS-
IS
15
2
-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980



      Susquehanna River at Conowingo, Maryland (01578310)--Continued
HARD- '<
-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo,  Maryland (01578310)--Continued





DATE

.NOV ,
09. . .
28. ..
28...
DEC
21...
21...
JAN ,
1 0 ...
10...
25...
25...
29. . .
29...
16. ..
16...
28. ..
MAR
07...
08...
09...
12...
13...
23...
APR
11...
23...
MAY
08...
22...
JUN
06...
26...
JUL
10...
24...
AUG
08...
17...
SEP
04...
OH. . .
19...
19...
19...
19...
I-*...
19...
FLUO-
MlDE,
DIS-
SOLVED
(MG/L
AS F)
(U0950)
197K
.1
.1
.1

.1
.1
1979
.0
.0
.1
.1
.1
.1
.1
.1
.1

.0
.0
.1
.1
.0
.0

—
.1

—
.1

—
.1

—
.?

—
.1

.1
.1
—
—
—
—
—
—
SILICA,
DIS-
SOLVED
(MG/L
AS
SI02)
(00955)

.1
.6
.5

4.7
4. 7

4.8
4.8
4.3
4.2
4.2
4.3
6.0
5.9
3.2

3.8
4.0
4.2
4.5
4.5
5.1

—
3.9

--
.5

—
1.9

—
2.0

—
3.6

2.5
2.1
—
—
—
—
—
—
SOL I OS,
RESIDUE
AT lao
DEG. C
DIS-
SOLVED
(MG/L)
(70300)

--
—
—

—
--

--
—
--
--
--
--
—
—
—

--
—
—
—
--
99

--
98

—
147

—
183

—
213

—
205

181
—
—
—
—
—
—
—
SOLIDS,
SUM OF
CONSTI-
TUENTS,
DIS-
SOLVED
(MG/L)
(70301)

—
--
--

1U4
103

84
87
98
98
76
74
135
130
69

59
53
61
73
b4
93

—
91

—
118

—
133

—
172

—
173

147
149
—
—
—
—
—
—
SOLIDS,
DIS-
SOLVED
(TONS
PER
AC-FT)
(70303)

--
—
--

.14
.14

.1 1
.12
.13
.13
.10
.10
.18
.18
.09

.08
.07
.08
.10
.09
.13

--
.13

--
.20

--
.25

--
.29

--
.28

.25
.20
--
--
--
--
--
--
SOLIDS.
DIS-
SOLVED
(TONS
PER
DAY)
(70302)

—
—
—

20000
19600

23100
28200
75400
96600
35300
31600
17900
17000
33300

71400
56700
30200
33700
27500
40600

—
20ROO

—
22700

—
22900

--
J2900

--
29300

14600
23000
—
—
—
—
—
—
SOLIDS,
RESIDUE
AT 105
DEG. C,
TOTAL
(MG/L)
(00500)

--
—
—

—
--

—
—
—
--
—
—
-_
--
--

--
--
—
--
--
126

114
110

145
162

127
185

216
221

250
238

--
198
171
166
159
165
160
170
NITRO-
GEN,
NITRATE
TOTAL
(MG/L
AS N)
(00620)

—
.79
.77

1.1
1.1

1.2
1.2
1.2
.99
.9<»
.95
1.6
1.5
.89

.66
--
—
—
.95
—

1.2
—

.56
--

.95
—

.58
—

—
.74

--
.67
.95
.96
.96
.96
.96
.96
NITRO-
GEN,
NITPATE
DIS-
SOLVED
(MG/L
AS N)
(00618)

.77
—
--

—
—

—
—
—
—
—
—
—
—
—

—
--
—
—
—
—

.99
—

.56
—

.97
—

.60
—

.91
.70

--
.49
—
1.1
.97
1.1
.98
.94
NITRO-
GEN,
NITPATE
DIS-
SOLVED
(MG/L
AS N03)
(71851)

3.4
—
—

—
—

--
—
—
—
—
—
—
—
--

—
—
—
—
—
—

4.4
—

2.5
—

4.3
—

2.7
—

4.0
3.1

—
2.2
—
4.7
4.3
4.7
4.3
4.2
NITRO-
GEN,
NITRITE
TOTAL
(MG/L
AS N)
(0061s)

--
.02
.02

.01
.01

.01
.01
.01
.01
.01
.01
.01
.01
.02

.02
—
—
--
.01
—

.01
--

.02
--

.02
—

.11
—

—
.05

—
.07
.04
.04
.04
.04
.04
.04
                                    18

-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo,  Maryland (01578310)--Continued




DATE

OCT ,
01...
12...
lo...
31...
MOV
C i. . .
U...
?9...
3D...
jl>...
DEL
0 1 . . .
01 . . .
11...
JAN ,
m...
lb...
29...
FE'i
1?...
14...
IS...
IS...
IS.. .
?r...
MA 4
10...
?n...
£1...
2?...
22...
23...
23...
23...
23...
24...
APR
02...
Od. . .
02...
n2...
F-LUO-
«1DE,
DIS-
SOLVE I)
IMG/L
» b F )
(Mi) 950)
197-.
—
--
.1
.1

—
.1
--
--
—

. 1
.1
.1
I'Kd'i
.1
.1
.1

.2
.1
. 1
. 1
.1
. 1

.1
.1
.1
.1
.1
.1
.1
.1
. 1
.1

.1
.1
.1
.1
SILICA,
DIS-
SOLVED
(MG/L
AS
SI02)
(00955)

—
—
5.9
3.3

—
4.9
—
--
—

4.4
4.1
5.4

5.0
4.6
3.8

3.3
2.7
2.8
2.5
2.b
l.»

.8
3.1
2.7
3.6
J.7
4.0
4.1
4.2
4.1
4.2

4.9
4.8
4.9
4.7
SULIUS,
RESIDUE
AT 1 « 0
OEG. C
DIS-
SOLVED
(Mfi/L)
(70300)

—
—
—
147

--
119
—
—
—

--
—
122

—
Ill
--

14S
--
--
--
--
--

177
—
—
—
—
--
--
93
66
81

99
87
89
64
SOLIDS,
SUM OF
CONSTI-
TUENTS,
DIS-
SOLVED
(MG/L)
(70301)

--
—
106
13b

—
108
--
—
—

—
87
104

94
116
124

136
151
149
138
152
167

159
114
109
89
85
74
72
81
72
67

74
75
75
76
SOLIDS,
DIS-
SOLVED
(TONS
PER
AC-FT)
(70303)

—
--
.08
.20

—
.16
—
—
—

—
.12
.17

.13
.IS
.17

.20
.21
.20
.21
.21
.23

.24
.16
.15
.12
.12
.10
.10
.13
.09
.11

.13
.12
.12
.09
SOLIDS,
DIS-
SOLVED
(TONS
PER
DAY)
(70302)

—
—
20600
26200

—
22900
—
—
--

--
24400
21900

l&BOO
18000
20000

23200
9380
24300
1950U
9930
26800

22900
26200
30600
45900
40200
44400
43200
51000
39700
48600

—
48600
50000
38700
SOLIDS,
RESIDUE
AT 105
DEG. C,
TOTAL
(«6/L)
(00500)

159
141
—
—

157
—
146
13R
138

127
151
--

121
--
148

--
169
167
170
165
ma

--
125
144
102
105
107
96
—
--
—

—
—
—
—
NITRO-
GEN,
NITRATE
TOTAL
(MG/L
AS N)
(00620)

1.8
1.3
1.4
1.4

1.4
1.1
1.2
—
.97

.97
.98
1.2

1.1
1.2
1.4

1.7
1.6
1.6
1.7
1.7
1.7

1.5
1.3
1.4
1.4
1.4
1.6
.5
.5
.5
.2

.1
.1
.2
.1
NITRO-
GEN,
NITRATE
DIS-
SOLVED
(MG/L
AS N)
(00618)

1.8
1.3
1.4
1.4

1.3
—
1.1
--
.99

.89
.99
1.2

1.1
1.3
—

1.6
1.6
1.5
1.6
1.6
1.5

1.5
1.3
1.5
1.3
1.3
1.3
1.4
1.5
1.3
1.4

1.1
1.1
1.2
1.1
NITRO-
GEN,
NITRATE
DIS-
SOLVED
(MG/L
AS N03)
(71851)

7.9
5.7
6.2
6.0

5.6
—
4.8
—
4.4

3.9
4.4
5.3

4.8
5.7
—

7.0
7.0
6.6
7.0
7.0
6.6

6.5
5.7
6.6
5.7
5.7
5.6
6.1
6.5
5.7
6.1

4.9
4.8
5.2
4.8
NITRO-
GEN,
NITRITE
TOTAL
(MG/L
AS N)
(00615)

.06
.03
.02
.03

.04
.01
.02
—
.02

.13
.02
.01

.00
.01
.02

.03
.02
.02
.02
.02
.02

.02
.02
.03
.02
.02
.04
.03
.04
.03
.01

.01
.01
.01
.01
                                    19

-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo,  Maryland (01578310)--Continued






DATE

NQV ,
09...
28...
28...
DEC
21...
21...
JAN ,
10...
10. ..
25...
?5. . .
29...
29. ..
16...
16. ..
28...
MAR
07.. .
08...
09...
12...
13...
28...
11...
23. ..
MAY
08. ..
22...
JUN
06. . .
26...
JUL
10. ..
24.. .
AUG
08...
1 7 ...
StP
04...
oa. . .
19...
19...
19...
19. ..
19...
19...
ivITRO-
uEN,
NITRITE
DIS-
SOLVED
(MG/L
AS N)
(•J0613)
197B
.02
—
—

--
—
1979
—
—
--
—
—
—
—
--
—

—
—
—
--
--
—
.01
--

.02
—

.02
--

.08
--

.06
—

—
.04
.03
.03
.03
.03
.02
.02
NITRO-
GEN,
MTKITE
DIS-
SOLVED
(MG/L
AS N02)
(71856)

.07
—
--

—
—

--
—
—
--
—
—
--
—
—

—
--
—
—
—
—
.03
--

.07
—

.07
--

.26
—

.20
—

—
.13
.10
.10
.10
.10
.07
.07

NITRO-
GEN,
N02*N03
TOTAL
(MG/L
AS 'M>
(00630)

—
.ai
.79

1.1
1.1

1.2
1.2
1.2
1.0
.95
.96
1.6
1.5
.91

.68
—
—
—
.96
.92
1.2
.87

.b8
.61

.97
.56

.69
.91

.92
.79

.97
. 74
.99
1.0
1.0
1.0
1.0
1.0
NITRO-
GEN,
N02+N03
DIS-
SOLVED
(Mb/L
AS N)
(00631)

.79
.81
.79

1.1
1.1

1.2
1.2
1.3
1.2
.85
.84
1.6
1.5
.83

.70
.70
. 72
.91
—
—
1.0
—

.58
--

.99
--

.68
.85

.97
.81

—
.53
—
1.1
1.0
1.1
1.0
.96

NITRO-
bEN,
AMMONIA
TOTAL
(Mb/L
AS N)
(00610)

—
.22
.24

.12
.12

.08
.09
.24
. 11
.1 1
.08
.21
.20
.30

.23
—
--
—
.06
.07
.07
.02

.02
.1 1

.07
.23

.21
.05

.04
.14

.00
.11
.11
.12
.10
.11
.11
—
NITRO-
GEN,
AMMONIA
DIS-
SOLVED
(Mb/L
AS N)
(006ua>

.08
--
.24

—
—

—
—
—
--
--
—
--
—
—

—
—
—
—
—
—
.07
--

.03
—

.07
--

.23
.06

.05
.16

—
.07
.05
.05
.04
.02
.02
.03

NITRO-
GEN,
AMMONIA
TOTAL
(MG/L
AS NH4)
(71845)

--
.27
--

.15
.15

.10
.11
.28
.40
.13
.10
.25
.24
. ?9

.28
—
—
—
.08
.09
.Os)
.02

.02
.13

.08
.2H

.25
.06

.05
.17

.00
.13
.13
.15
. 12
.13
.13
--
NITRO-
GEN,
AMMONIA
DIS-
SOLVED
(Mfa/L
AS NH4)
(71846)

.10
—
.31

—
—

—
—
—
—
—
--
—
—
—

—
—
—
—
—
—
.09
—

.04
	

.09
--

.30
.08

.06
.21

--
.09
.06
.06
.05
.03
.03
.04

NITRO-
GEN,
ORGANIC
TOTAL
(MG/L
AS N)
(00605)

—
.20
.19

.11
.07

.29
.27
.4a
1.2
.33
.38
.19
.21
1.0

.87
--
—
--
.42
.16
.23
.06

.36
.58

.23
.27

.32
.71

.37
.43

.38
.44
.62
.47
.61
.40
.34
—
NITRO-
GEN,
ORGANIC
DIS-
SOLVED
(MG/L
AS N)
(00607)

.33
—
—

—
—

—
--
—
—
—
—
—
—
—

--
—
—
—
—
--
.22
—

.14
—

.13
--

.30
.45

.06
.41

—
.24
—
.42
.20
.12
.32
.24
NITRO-
GEN, AM-
MONIA +
ORGANIC
TOTAL
(MG/L
AS N)
(00625)

—
.42
.43

.23
.19

.37
.36
.72
1.5
.44
.46
.40
.41
1.3

1.1
—
—
--
.48
.23
.30
.08

.38
.69

.30
.50

.53
.76

.41
.57

.38
.55
.73
.59
.71
.51
.45
.83
                                    20

-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo,  Maryland (01578310)--Continued






DATE

OCT ,
0 3 ...
12...
16...
31. ..
NCW
03...
1 3 ...
29...
30...
3u...
OfC
01...
01...
11 ...
JAN ,
03...
IT...
29. ..
FEH
12...
15...
IS...
IS. ..
IS...
27...
MAR
1 0 ...
20...
21...
22...
22...
23...
23...
23...
23...
24...
APR
02...
02...
02...
Orf. . .
'•a THO-
SE N*
MI TKITF
DIS-
SOLVED
(MG/L
AS N)
(00613)
197--I
.0?
.02
.01
.05

.04
.01
.01
--
.01

.11
.01
.01
198D
.02
.01
—

.02
.03
.02
.02
.02
.02

.03
.02
.1)2
.02
.02
.03
.02
.03
.02
.03

.01
.00
.02
.01
NITHO-
GtN,
NITKITE
DIS-
SOLVED
(MG/L
AS N02)
(71856)

.07
.07
.03
.16

.13
.03
.03
—
.03

. 36
.03
.03

.07
.03
—

.07
.10
.07
.07
.07
.07

.10
.07
.07
.07
.07
.10
.07
.10
.07
.10

.03
.03
.07
.03

NITRO-
GE'M.
N02*.M03
TOTAL
(MG/L
AS 'Ml
(OOb 30)

1.9
1.3
1.4
1 .4

1.4
1. 1
1.2
1.1
.99

1.1
1.0
1.2

1.1
1.2
1.4

1 . 7
1.6
1 .6
1.7
1.7
1.7

l.b
1.3
1.4
1.4
1.4
1.6
l.b
1 .5
1 .5
1 .2

1. 1
1. 1
1 .2
1 . 1
NITRO-
GEN,
N02*N03
DIS-
SOLVED
(MG/L
AS M)
(00631 )

l.tt
1.3
1.4
1.4

1.3
—
1.1
1.1
1.0

1.0
1.0
1.2

1.1
1.3
--

1.6
1.6
l.b
1 .6
1.6
1.5

1.5
1.3
1.5
1.3
1.3
1.3
1.4
1.5
1.3
1.4

1.1
1.1
1.2
1 .1

NITHO-
GEN,
AMMONIA
TOTAL
(MG/L
AS N)
(00610)

.10
.04
.04
.14

.06
.08
.04
.15
.08

.01
.03
.07

.03
.10
.07

.07
.09
.09
.09
.08
.17

.05
.22
.19
.17
.17
.17
.14
.17
.13
.16

.06
.06
.06
.06
'NITRO-
GEN,
AMMUNI A
DIS-
SOLVED
(MG/L
AS N)
(00608)

.09
.01
.00
.1^

.01
.04
.05
—
.03

.01
.03
.02

.00
.09
.06

.09
.10
.09
.Oh
.07
.08

.09
.22
.21
.12
. Ib
.13
.12
.16
.13
.03

.04
.04
.01
.05

NITRO-
bEN,
AMMOMIA
TOTAL
(MG/L
AS NH4)
(71845)

.12
.05
.05
.17

.07
.10
.Ob
.18
.10

.01
.04
.08

.04
.12
.08

.08
.11
.11
.10
.10
.21

.06
.27
.23
.21
.21
.21
.17
.21
.16
.19

.07
.07
.07
.07
ixlITRO-
GEN,
AMMONIA
DIS-
SOLVED
(MG/L
AS NH4)
(71646)

.12
.01
.00
.Ib

.01
.05
.06
—
.04

.01
.04
.03

.00
.12
.08

.12
.13
.12
.10
.09
.10

.12
.28
.27
.15
.21
.1 7
.15
.21
.17
.04

.05
.05
.01
.06

NITKO-
GEN,
ORGANIC
TOTAL
(MG/L
AS N)
(00605)

.23
.26
.66
.49

.71
.16
.54
.40
.54

.43
.51
.29

.37
.bb
.20

.22
.54
.2b
.54
.51
.22

.23
.32
.61
.50
.58
.58
.44
.66
.74
.40

.34
.16
.12
.21
NITRO-
GEN,
ORGANIC
DIS-
SOLVED
(MG/L
AS N)
(00607)

—
.33
—
.17

.24
—
.44
—
.53

.28
.52
.37

.50
.51
—

.07
.41
.?7
.46
.28
.31

.52
.32
.40
.48
.35
.?4
.15
.34
.3b
.29

.15
.08
.29
.19
NITRO-
GEN, AM-
MONIA *
ORGANIC
TOTAL
(MG/L
AS N)
(00625)

.33
.30
.70
.63

.77
.24
.58
.b5
.62

.44
.54
.36

.40
.65
.27

.29
.63
.34
.62
.59
.39

.28
.54
.80
.67
.75
.75
.58
.83
.87
.56

.40
.22
.18
.27
                                  21

-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo,  Maryland (01578310)--Continued


DATE

NOV ,
09...
28...
2H...
DEC
21...
21...
JAN ,
10...
10...
25...
25...
29...
29...
FEB
16...
16...
28.. .
MAR
07...
08...
09...
12...
13...
2H. ..
APR
11...
23...
MAY
08. ..
22...
JUN
06...
26...
JUL
10...
24. . .
AU6
OR...
17...
SFP
04...
OB. . .
19...
19...
19...
19...
19...
19...
f.'ITRO-
GhN,NH4
* OKG.
bOSP.
TOTAL
(MG/L
AS N)
( 00624 1
197H
--
—
—

—
—
1979
—
—
--
—
—
--

—
—
—

—
—
—
--
—
.01

.1)1
.00

.21
.30

.10
.04

.00
,Z5

.30
.00

.16
.24
—
.12
.47
.37
.11
.56
NITRO-
GEN. AM-
MONIA *
ORGANIC
DIS.
(MG/L
AS N)
(00623)

.41
—
—

—
—

—
—
—
—
—
—

—
—
—

—
—
—
—
—
.22

.29
.10

.17
.39

.20
.46

.53
.51

.11
.57

.22
.31
—
.47
.24
.14
.34
.27
NITRO-
GEN.
TOTAL
(MG/L
AS N)
(006JO)

—
1.2
1.2

1.3
1.3

1.6
1.6
1.9
2.5
1.4
1.4

2.0
1.9
2.2

1.8
—
—
—
1.4
1.2

1.5
.95

.96
1.3

1.3
1.1

1.2
1.7

1.3
1.4

.4
.3
.7
.6
.7
.5
.5
.8
NITRO-
GEN.
DIS-
SOLVED
(MG/L
AS N)
(00602)

—
—
—

—
—

—
--
—
—
—
—

—
—
—

—
—
—
—
—
—

1.3
--

.75
—

1.2
—

1.2
1.4

1.1
1.4

—
.84
—
1.6
1.2
1.2
1.3
1.2
NITRO-
GEN.
TOTAL
(MG/L
AS N03)
(71887)

—
5.4
5.4

5.9
5.7

7.0
6.9
8.5
11
6.2
6.3

8.9
8.5
9.8

7.9
—
—
--
6.4
5.1

6.6
4.2

4.3
5.8

5.6
4.7

b.4
7.4

5.9
6.0

6.0
5.7
7.6
7.0
7.6
6.7
6.4
8.1
PHOS-
PHORUS.
TOTAL
(MG/L
AS P)
(00665.)

—
.04
.04

.1)4
.04

.06
.06
.31
.28
.07
.OB

.OJ
.03
.29

.35
—
—
--
.OS
.04

.03
.03

.02
.04

.05
.04

.03
.03

.05
.06

.03
.09
.06
.06
.05
.05
.06
.06
PHOS-
PHORUS
TOTAL
(MG/L
AS P04)
(71886)

--
.12
.12

.12
.12

.18
.18
.95
.86
.21
.24

.09
.09
.H9

1.1
—
--
—
.15
.12

.09
.09

.06
.12

.15
.12

.09
.09

.15
.18

.09
.28
.18
.18
.15
.15
.18
.18
PHOS-
PHOHUS.
DIS-
SOLVEO
(MG/L
AS P)
(00666)

.01
.02
.01

.01
.01

.02
.02
.06
.03
.11
.00

.02
.01
.06

.02
—
—
--
.00
.01

.01
.01

.01
.00

.02
.02

.00
.01

.01
.02

.02
.04
.03
.02
.02
.01
.02
.02
PHOS-
PHORUS.
ORTHO.
TOTAL
(MG/L
AS P)
(70507)

--
.01
.01

.01
.02

.02
.02
.06
.03
.02
.02

.02
.02
.06

.03
—
—
—
.01
—

.00
—

.01
—

.01
—

.01
.00

.00
.03

—
.03
.07
.01
.07
.01
.08
—
PHOS-
PHORUS,
ORTHO,
DIS-
SOLVED
(MG/L
AS P)
(00671)

.00
.01
.00

.01
.02

.01
.01
.04
.03
.10
.00

.01
.01
.06

.00
—
—
—
.01
.00

.01
.01

.00
.00

.01
.01

.02
.00

.00
.00

—
.05
.00
.00
.00
.00
.00
.00
PHOS-
PHATE,
ORTHO,
DIS-
SOLVED
(MG/L
AS P04)
(00660)

.00
.03
.00

.03
.06

.03
.03
.12
.09
.31
.00

.03
.03
.in

.00
—
—
—
.03
.00

.03
.03

.00
.00

.03
.03

.06
.00

.00
.00

—
.15
.00
.00
.00
.00
.00
.00
                                    22

-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL  1980




      Susquehanna River at Conowingo,  Maryland (01578310)--Continued



DATt

nCT ,
03. . .
12. ..
16. ..
11...
NUV
D3. . .
13...
?9. . .
30...
JO...
ntr
"1 . . •
01...
11...
JAN ,
U 3 . . .
15...
29. ..
Ftt-
12. ..
15...
IS...
IS. . .
IS...
27...
10...
2 0 ...
21...
22...
22.. .
23.. .
23...
23...
23...
24...
APK
(1 2 ...
02. . .
02. . .
02.. .
NITRO-
GEN, NH4
* ORG.
SUSP.
TOTAL
(M'J/L
Ab N)
(00624)
1979
.00
.00
.00
.34

.52
.00
.09
--
.U6

.15
.on
.00
19»0
.00
.OS
--

.13
.12
.00
.08
.?»
.00
.00
.00
.19
.07
.24
.38
.31
.33
.39
.24

.21
.10
.00
.03
NITRO-
GEN, AM-
MONIA *
ORGANIC
DIS.
(MG/L
AS N)
(00623)

—
.34
--
.29

.25
—
.49
—
.56

.29
.55
. 19

.50
.60
--

.16
.51
.36
.54
.35
.39
.61
.54
.01
.60
.51
.37
.27
.50
.48
.32

.19
.12
.30
.24
NITRO-
GEN,
TOTAL
(MG/L
Ab N)
(00600)

2.2
1.6
2.1
2.0

2.2
1. 1
1.8
i. r
1.6

l.S
1.5
1.6

1.5
1.9
1.7

2.0
2.2
1.9
2. 1
2.3
2.1
1.8
1.8
2.2
2.1
2.2
2.4
2.1
2.3
2.4
1.8

1.5
1.3
1.4
1.4
NITRO-
GEN,
DIS-
SOLVED
(MG/L
AS N)
(00602)

2.5
1.6
--
1.7

1.6
--
1.6
—
1.6

1.3
1.6
1.6

1.6
1.9
—

1.8
C-.i
1.9
2.1
2.0
1.9
2.1
1.8
2.1
1.9
1.8
1.7
1.7
2.0
1.8
1.7

1.3
1.2
l.S
1.3
NITRO-
GEN,
TOTAL
(MG/L
AS N03)
(7l8b7)

9.9
7.1
9.3
9.0

9.6
5. -)
7.9
7.3
7.1

6.8
6.8
6.9

6.6
i.2
7.4

ft. 8
9.9
".6
10
10
9. 3
7.9
8.1
9. 7
9.2
9.5
10
9.2
10
11
7.8

6.6
s.8
6.1
6.1
PHOS-
PHORUS,
TOTAL
(MG/L
AS P)
(00665)

.08
.07
.04
.01

.05
.03
.09
.07
.07

.06
.08
.04

.03
.04
.OS

.04
.08
.OS
.05
.05
.05
.04
.08
.11
.12
.15
.20
.34
.IB
.32
.15

.07
.07
.07
.07
PHOS-
PHORUS
TOTAL
(MG/L
AS P04)
(71886)

.25
.21
.12
.03

.15
.09
.28
.21
.21

.18
.25
.12

.09
.12
.15

.12
.25
.15
.15
.15
.15
.12
.25
.34
.37
.46
.61
1.0
.55
.98
.46

.21
.21
.21
.21
PHOS-
PHORUS,
DIS-
SOLVED
(MG/L
Ab P)
(00666)

.03
.03
.03
.04

.04
.02
.01
.02
.01

.01
.01
.02

.06
.02
.00

.03
.03
.02
.02
.03
.03
.02
.04
.03
.02
.03
.03
.02
.03
.02
.01

.01
.01
.01
.01
PHOS-
PHOKUS.
ORTHO.
TOTAL
(MG/L
AS P)
(70507)

.04
.03
.02
.00

.04
.00
.00
.00
.00

.00
.00
.03

.06
.03
.01

.02
.03
.05
.03
.03
.05
.00
.04
.05
.00
.01
.01
.01
.08
.01
.06

.00
.00
.00
.00
PHOS-
PHORUS,
ORTHO,
DIS-
SOLVED
(MG/L
Ab P)
(00671 )

.04
.03
.04
.01

.00
—
.00
—
.03

.02
.02
—

.05
.03
.00

.01
.00
.04
.03
.03
.05
.01
.00
.00
.02
.04
.00
.60
.04
.00
.00

.00
.00
.00
.00
                                   23

-------
            SUPPLEMENTAL DATA A:  WATER-QUALITY DATA, NOVEMBER 1978 THROUGH APRIL  1980

                  Susquehanna River at Conowingo, Maryland (01578310)--Continued
DATf
NOV
 09.
 28.
 2b.
DEC
 21.
 21.
JAN
 10.
 10.
 25.
 25.
 29.
 29.
FEW

 16.
 28.
MAR
 07.
 Ott.
 09.
 12.
 13.
 2b.
APR
 11.
 23.
MAY
 08.
 22.
JUN
 06.

JUL
 10.
 24.
AUG
 08.
 17.
bFH
 04.
 08.
 19.
 19.
 19.
 19.
 19.
 19.
ALUM-
INUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS AL)
(01 105)
1978
300
130
170
220
220
1979
420
450
9300
10000
1600
1800
0
0
0
ALUM-
INUM,
SUS-
PENDED
RECOV.
(UG/L
AS AL)
(01107)

260
130
160
180
170

380
400
9200
10000
1600
1800
0
0
0

ALUM-
INUM,
DIS-
SOLVED
(UG/L
AS AL)
(01106)

40
0
10
40
50

40
50
110
30
20
30
0
10
0



ARbENIC
TOTAL
(UG/L
AS AS)
(01002)

0
—
—
1
1

1
1
—
--
1
1
—
—
3

ARStNIC
SUS-
PENDED
TOTAL
(UG/L
AS AS)
(01001)

—
—
—
--
--

—
--
—
—
—
—
--
—
—


ARSENIC
DIS-
SOLVED
(UG/L
AS AS)
(01000)

—
—
—
—
—

--
--
—
--
--
—
—
—
—

BARIUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS BA)
(01007)

—
—
—
—
—

—
—
—
—
—
—
—
—
—
BARIUM.
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS BA)
(01006)

—
—
—
—
—

—
—
—
—
—
—
—
—
—


BARIUM,
DIS-
SOLVED
(UG/L
AS BA)
(01005)

—
—
—
—
—

—
—
—
—
—
—
—
—
--
BERYL-
LIUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS BE)
(01012)

10
—
—
0
0

0
0
—
—
0
0
—
—
0
         12000
          1100
                  12000
                   1100
230
220
160
80
130
220
170
150
400
180
140
10
40
90
170
130
110
360
50
80
150
40
40
50
40
40
40
70
           290
           700
           600
           000
           600
           800
           800
240
600
600
aoo
500
700
800
 50
100
  0
  0
100
100
  0
                                                          1      100
                                                                           100
                                                 24

-------
             SUPPLEMENTAL  DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980

                   Susquehanna River at Conowingo,  Maryland (01578310)--Continued
 OATt
OCT
 03.
 12.
 16.
 31.
MOV
 03.
 13.
 29.
 30.
 JO.
DEC
 01.
 01.
 11.
JA'J
 03.
 IS.
 29.
FEH
 12.
 15.
 is.
 IS.
 is.
 27.
MftR
 10.
 20.
 21.

 22.
 23.
 23.
 23.
 23.
 24.
APR
 02.
 02.
 02.
 02.
PHOS-
PH»TE>
URTHO.
DIS-
SOLVED
(MG/L
AS P04)
(00660)
1979
.12
.09
.12
.03
.00
—
.00
—
.09
.06
.06
—
1980
.15
.09
.00
.03
.00
.12
.09
.09
.15
.03
.00
.00
.06
.12
.00
.00
.12
.00
.00
.00
.00
.00
. 00
ALUM-
INUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS AL)
(0110s)

suo
500
300
600
600
600
700
800
800
?00
800
SOO

6uO
200
200
300
300
2oO
200
200
400
300
600
600
1100
1200
2200
2300
2rtOO
2400
2000
700
900
800
1100
ALUM-
INUM,
SUS-
PENDED
RECOV.
(UG/L
AS AL)
(01107)

0
100
0
300
100
0
400
500
600
400
600
300

400
100
100
200
200
0
100
100
100
100
400
500
900
1000
2000
2200
—
2300
1900
600
WOO
700
1000

ALUM-
INUM,
DIS-
SOLVED
(Ub/L
AS AL)
(01106)

600
400
300
300
bOO
600
300
300
200
300
200
200

200
100
100
100
100
200
100
loo
300
200
200
100
200
200
200
100
--
100
100
100
100
100
100

ARSENIC BARIUM,
SUS- ARSENIC TOTAL
ARSENIC PENDED DIb- RECOV-
TOTAL TOTAL SOLVED ERABLE
(UG/L (UG/L (UG/L (UG/L
AS AS) AS AS) AS AS) AS 9A)
(0100?) (01001) (01000) (01007)

—
—
—
— — — —
—
--
_-
—
— —
_-
—
0000

_-
__
— — — —
—
—
__
_-
—
—
0 0 0 <50
—
—
—
_-
--
—
-_
—
— -- — —
—
—
—
—
BARIUM,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS BA)
(01006)

—
—
—
—
—
—
—
—
—
—
—
0

—
—
—
—
—
—
—
—
—
<10
--
—
—
—
—
—
—
—
—
—
—
—
—


BARIUM,
DIS-
SOLVED
(UG/L
AS BA)
(01005)

—
—
—
—
—
—
—
—
—
—
—
30

—
—
—
—
—
—
--
—
—
40
--
—
—
--
—
—
—
—
—
—
—
—
—
                                                25

-------
DATE
                 SUPPLEMENTAL  DATA  A:   WATER-QUALITY  DATA,  NOVEMBER 1978 THROUGH APRIL 1980

                       Susquehanna  River  at  Conowingo,  Maryland (01578310)--Continued

CADMIUM
luTAL
RtCOV-
tRAHLt
(Ub/L

(01034)
CHRO-
MIUM,
SUS-
PENDED
RECOV.
(UG/L
AS CH)
(01031)

CHRO-
MIUM,
DIS-
SOLVED
(UG/L
AS CR)
(01030)

COBALT.
TOTAL
RECOV-
ERABLE
(UG/L
AS CO)
(01037)
COBALT,
SUS-
PENDED
RECOV-
ERAbLE
(UG/L
AS CO)
(01036)


COBALT,
DIS-
SOLVED
(UG/L
AS CO)
(01035)

COPPER,
TOTAL
RECOV-
ERABLE
(UG/L
AS CJ)
(01042)
COPPER,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS CU)
(01041 )
     1976
09..
DEC
 21...
 21...

 10...
 Id...
 25...
 25...
 29...

FEU
 16...
 16...

MAK
 07. ..
 13...
 2H. ..
APR
 11...
 23...
WAY
 0*1...
 22...
JUN
 06. . .
 26. . .
JUL
 10...
 24...
AUG
 On...
 17...
SFP
 04...
 08...
     1979
            12
                     19
10




30

10

30


Ifl


20





30


20

10
                                                20
                                                         10
                                                         ID
                                                                                              10

                                                                                              18
                                                                                              4
                                                                                              23
19...
19...
19...
19...
                                                    26

-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo,  Maryland (01578310)--Continued






OATt

DC r ,
0 3 ...
16...
3 1 ...
MOu
0 j...
1-1...
30...
JJ...
DEC
01...
0 1 ...
11...
JAN .
1)1...
is...
ft 1
12...
IS. . .
IS...
^•1 ...
"••Art
1 0 ...
2 0 ...
21...
22.. .
23...
2 3 ...
2j. . .
2J...
24. ..
APH
02...
U2...
9 2 ...
02...

C- iJMIUM
TOTAL
"ECOV-
ERAdLt
(UG/L
uS CD)
(01 02?)
197V
--
0
0

--
0
—
—

--
—
0
19H."'
—
0

1
__
—
—

0
--
--
—
—
--
0
0
0

0
0
I)
0
CADMIUM
bUb-
PENDEu CADMIUM
HtCOV- DIS-
tKABLE SOLVED
(UG/L (UG/L
Ab CHI AS CD)
(01026) (0102s)

--
--
—

--
—
--
-_

—
—
0 0

--
--

	 	
	 ___
-_
—

0 2
--
--
—
—
-_
--
-_
—

—
—
--
--
CHRO-
MIUM,
TOTAL
RECOV-
ERARLE
(UG/L
AS CR)
(01034)

--
I
—

—
0
—
—

—
—
10

—
10

6
__
—
—

10
—
--
—
—
--
14
13
0

4
S
s
0
CHRO-
MIUM, CHRO- COBALT,
SUS- MIUM, TOTAL
PENDED DIS- RECOV-
RELOV. SOLVED ERABLE
(UG/L (UG/L IUG/L
Ab CR) AS CR) AS CO)
(01031) (01030) (0103M

—
	
__

—
—
_-
__

—
—
0 
-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA, NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo,  Maryland (01578310]--Continued


COPPER,
DIS-
SOLVED
(UG/L
DATE MS CU)
(U1040)
NOV , 1978
09...
?-!...
28...
DEC
21...
21...
JA^I , 1979
lo...
lu...
25...
25...
29...
29...
FM
If)...
I*)...
28...
MAR
07...
13...
28.. . 2
APP
11...
23...
N-AY
08...
22...
JiJN
06...
?B... 2
JUL
lu...
24...
AUG
0-1.. .
17...
SEP
04. .. 1
08...
19...
14...
19...
19...
19...
19...

IKON,
TOTAL
RECOV-
ERAbLE
(UG/L
AS F£)
(01045)

2hO
380
450

790
540

920
9BO
12000
1500U
2900
3000

480
"-,90
7700

14000
1500
1000

730
620

b20
310

670
330

370
350

420
—

?70
890
390
430
330
340
320
470
IRON,
SUS-
PENJED
RECOV-
ERABLE
(UG/L
AS Ft)
(01044)

280
JTO
390

?40
490

870
blO
12000
15000
2900
3000

350
DlO
7700

14000
1500
310

640
490

^20
290

^50
330

170
350

«20
—

270
860
370
• 10
110
330
310
»SO


IKON,
DIS-
SOLVED
(UG/L
AS FE)
(01046)

0
30
60

50
50

50
370
200
130
40
40

130
80
40

SO
40
690

90
130

100
20

120
0

0
0

0
10

0
30
20
20
20
1C
10
20

LEAD.
TOTAL
RECOV-
ERABLE
(UG/L
AS PB)
(01051)

S
—
--

^
4

5
0
--
--
53
55

--
—
6

18
3
12

—
8

--
120

--
3

--
5

--
3

15
—
—
—
--
--
—
—
LEAD, MANGA-
SUS- I^ESE,
PENDED LEAD, TOTAL
^ECOV- DIS- RECOV-
ERABLE SOLVED EHABLE
(UG/L (UG/L (UG/L
AS PB) AS PB) AS "IN)
(01050) (01049) (01055)

50
70
BO

110
100

180
180
530
--
240
270

2«0
270
300

1100
220
! S 180

190
190

100
140

200
a o 200

130
160

150
--

15 0 160
120
90
90
90
80
90
110
MANGA-
NESE,
SUS-
PENDED
RECOV.
(UG/L
AS MN)
(01054)

50
50
50

0
0

50
50
190
—
100
130

20
10
140

700
60
0

10
20

100
60

40
70

90
llu

110
—

110
no
90
90
90
70
80
100

MANGA-
NESE,
DIS-
SOLVED
(UG/L
AS MN)
(01056)

0
20
30

120
100

130
130
340
—
140
140

260
260
160

400
160
180

180
170

0
RO

160
130

40
70

40
30

50
10
0
0
0
10
10
10

MERCURY
TOTAL
RECOV-
ERABLE
(UG/L
AS HG)
(71900)

<.5
—
--

<.b
1.0

1.4
1.0
—
—
1.4
1.4

—
—
<.5

1.2
<.5
.5

—
.5

—
<.5

—
<.5

—
<.5

—
<.5

<.5
—
—
—
—
—
—
--
                                    28

-------
SUPPLEMENTAL DATA A:   WATER-QUALITY DATA, NOVEMBER 1978 THROUGH APRIL 1980




      Susquehanna River at Conowingo, Maryland (01578310)--Continued


CUPPER.
DIS-
SOLVED
(UG/L
DATE Ab CO)
(i>1040)
UCT , 197*
01...
12...
16. ..
31...
NOrf
03...
n...
2«...
3')...
30. ..
DtC
01...
01...
11. .. 2
JAN . 19rll)
03...
IS...
29...
FE*
12...
IS. . .
15...
15...
ID...
J1'"
!>)... 2
20...
21...
22...
22...
23...
23...
23...
21...
24. ..
APR
02...
02...
02...
02. . .

IRON.
TOTOL
KtCOV-
ERAbLE
(UG/L
Ab FE)
(010*5)

*SO
940
7*0
540

520
730
1400
?100
2200

2000
2800
620

1100
400
500

400
380
380
3^0
370
5SO
360
1100
1100
1800
1400
3800
3700
4300
3800
3400

70
70
20
80
IRO -I,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
Ab FE)
(01044)

*20
190
720
510

500
620
1400
2 '100
2200

2000
2HOO
440

1000
260
370

320
320
310
330
no
T30
350
*50
970
1 ton
1«00
3BOO
3700
4300
3nOO
3300

20
10
0
20


IRON,
DIS-
SOLVED
(UG/L
AS FE)
(01046)

30
SO
70
30

20
110
20
80
10

10
30
180

60
140
130

80
SO
7(1
50
60
20
10
ISO
130
80
110
50
40
40
30
80

50
60
30
60
LEAD.
LEAD, SUi-
TOTAL PtNDEO
RECOV- RECOV-
ERABLE ERABLE
(UG/L (UG/L
AS PB) Ab PB)
(01051 ) (01050)

__
__
5
7

__
IBnfl
—
_-
—

—
__
3 3

_-
2
__

2
—
_-
__
—
—
2 2
—
__
—
_-
_-
—
0
7
6

2
3
6 —
6
MANGA-
NEbE,
LEAD, TOTAL
DIS- RECOV-
bOLVED ERABLE
(UG/L (UG/L
AS Py) Ab MN)
(01049) (01055)

120
110
130
110

90
1*0
200
240
230

170
160
0 160

ISO
160
190

180
180
180
170
170
220
0 210
270
310
260
2*0
330
350
350
380
290

160
190
180
180
MANGA-
NESE,
bUS-
PENDED
RECOV.
(UG/L
AS MN)
(01054)

120
70
40
100

90
50
110
100
100

100
120
10

20
0
0

10
0
0
0
0
20
50
50
40
120
100
140
ISO
160
150
150

60
RO
70
70

MANGA-
NESE,
DIS-
SOLVED
(UG/L
AS MN)
(01056)

0
40
90
10

0
90
90
140
130

70
40
150

130
160
200

170
180
180
170
180
200
160
220
2?0
1*0
140
190
200
190
230
140

100
110
110
110

MERCURY
TOTAL
RECOV-
ERABLE
(UG/L
AS Hb)
(71900)

--
--
.1
.1

—
<• 1
—
--
—

—
—
< . 1

—
<. 1
—

—
—
—
--
--
—
.2
—
--
—
—
—
—
<• 1
<• 1
<. 1

.1
.1
.1
.1
                                    29

-------
                SUPPLEMENTAL DATA  A:   WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH APRIL  1980

                      Susquehanna  River  at  Conowingo,  Maryland (01578310)--Continued
DATE
KiOV , 197^
 09...
 2M...

DEC
 21...
 21...
JAN , 1979
 1 0 ...
 10...
«it RCURY
bUS-
HtNDED
RECOV-
t-RABLE
(UG/L
uS HG)
( 716Sb)


MtRCURr
DIS-
SOLVED
(UG/L
A3 HG)
(71ti90)

NICKEL,
TOTAL
RECOV-
ERABLE
(UG/L
AS NI)
(01067)


SELE-
NIUM,
TOTAL
(UG/L
AS SE)
(01147)
SELE-
NIUM,
SUS-
PENDtO
TOTAL
(UG/L
Ab SE)
(01 146)

SELE-
NIUM,
Olb-
SOLVED
(UG/L
AS SE)
(OH4b)

SILVER,
TOTAL
RECOV-
ERABLE
(UG/L
AS A6I
(01077)
SILVER,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS AG)
(01076)


SILVER,
DIS-
SOLVED
(UG/L
AS AG)
(01075)

ZINC,
TOTAL
RECOV-
ERABLE
(UG/L
AS 2N)
(0109?)
ZINC,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
A3 ZN)
(01091)
                               13
                               19
                               10
                               12
                               11
 20
 30
 bO
 JO
 2S...
 29...
 29...
FE-t

 16...

"AH
 07...
 13...
 2H...
Al^R
 11...
 23...
MAY
 OH. . .
 22...
Jll'l
 00. . .
 26...
JUL
 10...

A11 ("-T
 08. . .
 17.. .
SfcP
 04. ..
 OB...
                               Ib
                               18
                              27
                              16
                               Ib
 20
 JO
 70

110
  0
 30
 20


 30


 20


 30


 40

 10
                                                                                                        10
                                                                                                        10
                                                                                                        10
19...
19..
19..
                                                      30

-------
                  SUPPLEMENTAL DATA A:  WATER-QUALITY DATA, NOVEMBER 1978 THROUGH APRIL 1980

                        Susquehanna River at Conowingo, Maryland  (01578310)--Continued
 OATt
          3US-
         PE.NOED
         KtCUV-
         tHAdLE
         ( J fi / L
         'ib HG)
        ( 7189-3)
                           NICKtL,
                 MFRCURY    TOTAL     SFLt-
                   t)IS-     HECOV-    NIU'J.
                   SOLVED    EHAHLE    TOTAL
                   (UG/L     (UG/L     (UG/L
                   AS  HG)    AS  MI)    AS S£)
                                              SELE-
                                              NIUM,
                                                       SELE-
                                                               SILVEW,
                                                                         SILVER,
                                                                           SUS-
SUS-
PENDED
TOTAL
(UG/L
AS SE)
NUM.
DIS-
SOLVED
(UG/L
AS St)
TOTAL
RECOV-
ERABLE
(UG/L
AS Ad)
PENDED
RECOV-
ERABLE
(UG/L
AS AG)
          ZINC,
SILVER,   TOTAL
  DIS-    RECOV-
 SGLVED   ENABLE
 (UG/L    (UG/L
 AS AG)   AS 2*1)
UCT ,  197^
 II J ...
 12...
 1ft. ..
 31.. .

 03...
 13...
 29. . .
 JO. . .
 3 0 ...
DEC
 "I...
 01...
 11...
JAN ,  19Hu
 0 3 ...
                  171890)   (01067)   (01147)   (0114h)   (01145)   (01077)   (0107ft)   (01075)   (01092)
                                                                                                20
                                                                                                20
                                                                                                90
                                                                                                10
                                                                                                20
 ZINC,
  SUS-
 PENDED
 RECOV-
 ERABLE
 (UG/L
 AS  ZN)
(010Q1)
 12.. .
                                                                                                20
 IS.
 27.
 1 o .
 21 .
 22.
                                14
                                                                                                JO
 23.
 23.
 23.
 24.
APR
 02.
 02.
 02.
 02.
                                6
                                6
                                10
             120
              60
              30

              20
              ?0
              20
              20
                                                      31

-------
SUPPLEMENTAL DATA A:  WATER-QUALITY DATA,  NOVEMBER 1978 THROUGH  APRIL  1980

      Susquehanna River  at  Conowingo,  Maryland (01578310)--Continued
                                        aEO.
                                        SUSP.
                              7INC,     SIEVE    SEDI-
                               DIS-      DIAM.   MENT,
                              SOLVED  * FIi-iEK   SUS-
                              (UG/L      1HAN    PEMDED
                      OATE     AS ZN)  .0^2 MM   (M6/L)
                             (01090)  (7UJ31)   (80154)

                   Ft" 1979
                    28...        --       --       197'-'
                   MAK
                    07...        --       --       454.
                    13...        --       --        5S
                    28...        20

                    11...        --       --        Jl
                    23...        --      100        10

                    08...        —       —        If,
                    72...        --      100        it
                   JON
                    Of;...        --       --        12
                    2').. .        10      100        H
                   JUL
                    10...        --       --        7
                    24...        --       fe^        17
                   AUG
                    OB...        --       vl        17
                    17...        --      100        4
                   SEP
                    0 4...         0      100        9
                   (1C I
                    03...        —       --        22
                    12...        "       —        23
                    16...        --       90        1H
                   NOV
                    13...        —       92        13
                    30...        --       --        34
                    30...        --       --        57
                   DEC
                    01...        --       --        29
                    01...        --       --        4')
                    11 ...        30       92        10
                   JAN 1980
                    03...        --       --        15
                    15. ..        —       rt 3        f>
                    29...        —       --        *>
                   Ft«
                    27...        --       HI        b

                    10...        --       46        6
                    20...        --       99        lb
                    23...        "      100       13?--
                    23...        --      100       13R

                    02...        --      100        40
                                    32

-------
SUPPLEMENTAL DATA B:   WATER-QUALITY DATA, OCTOBER 1978 THROUGH APRIL 1980




      Potomac River at Chain Bridge at Washington, D.C. (01646580)




DATE




! IMF


bTREA"-
FLO«,
IdbTAN-
T4NF.OUS
(CFS)
(00061 )
SPE-
CIF 1C
CON-
DUCT-
ANCE
MICRO-
MH05I
(0009S)


PH

(UNITS)
(00400)

TEMPER-
ATURE,,
AIR
(DEG C)
(00020)


ItPlPEK-
A1UKE
(DEG C)
(00010)

TUR- OXYGEN,
BID- DIS-
ITY SOLVED
(NTU) (MG/L)
(00076) (00300)
COLI-
FUP",
FECAL,
0.7
UM-MF
(COLS./
100 ML)
(31625)
STREP-
TOCOCCI
FECAL,
KF AGAR
(COLS.
PER
100 ML)
(31673)
HARD-
NESS
(MG/L
AS
CAC03)
(00900)
OCf , 197d
0?...
04.. .
1 0 ...
NU...
DEC
19.. .
JAN . 197'
16...
27...
01...
19. ..
27. ..
APR
26...
23...
JUH
05...
13...
JUL
17...
AUG
15...
SEP
Ob. . .
06. . .
06.. .
07...
07...
07...
07...
08. . .
09. . .
OCT
11...
17...
NOV
27...
DEC
12...
JAN . 198*'
14...
U...
MAK
11...
18. ..
18...
1H. ..
19...
19...
?2...
22...
22...
23...
23...
24...
APS
02...
02...
K Results
1341
1423
1020
1015

1000
*
lllb
1900
1?30
1230
1000

1300
1045

1030
1030

1030

1U30

1030
1330
2000
0745
1100
1430
1830
1030
1415

1130
1 100

1 100

1030

1030
1030

1 100
1230
1600
1900
1000
1315
1045
1330
1630
1230
1450
1230

1100
1300
based
1 7QO
1840
1940
1 790

5780

11700
19?000
73800
16500
49800

10100
9970

34200
21200

4440

4940

62000
62300
58700
70600
B4200
95300
104000
80900
36200

68800
28400

1 1900

9140

10200
7310

14900
23600
26200
28900
41200
43000
57200
—
59300
55600
54200
42100

59700
59900
on colony
—
—
450
450

290

2?5
135
	
265
200

245
195

230
260

325

310

180
177
160
165
?05
220
230
168
178

172
215

125

280

285
340

180
225
217
210
220
222
--
--
—
--
—
—

200
195
—
--
8.6
8.5

8.2

r .7
P.O
__
8.2
8.0

8.7
H.4

H.I
H.I

8.5

«.5

7.8
8.3
--
--
--
--
—
--
—

H.I
7.4

H.2

8.1

H.I
8.0

H.b
H.n
S.I
8.3
7.9
7.8
-_
--
—
--
--
—

8.2
8.2
count outside the
—
--
14.0
1R.5

5.5

4.5
3.5
	
--
10.5

16.0
21.5

--
23.0

28.8

20.0

26.5
—
--
—
--
--
—
--
—

—
17.0

11.0

2.4

2.5
5.0

a.o
—
--
--
—
—
—
—
--
—
—
—

—
—
--
—
14.5
12.5

3.5

1.0
3.0
—
8.0
9.0

18.0
22.0

21.0
21.0

29.0

24.5

24.5
24.7
24.6
23.7
24.1
--
—
—
--

11.4
11.9

14.0

7.1

2.3
2.0

8.0
9.0
9.0
9.0
9.0
9.0
—
—
--
--
--
8.0

9.0
9.0
acceptable range
—
—
2.0 10.8
7.0 11.1

5.0 13.7

4.0 14.1
90 14.2
-_
__
65

4.0 9.6
6.0 9.6

-_
?5 9.8

7.0 8.5

15 9.5

150 6.5
--
--
-_
__
--
__
-_
-._

__
3.0 8.4

1.0 11.8

1.0 0.7

.51 12.6
.50 14.1

.20 1 1 .9
-_
__
-_
__
-_
--
-_
--
-_
-_
50

22
25
(non-ideal colony
—
—
K13
80

60

40
1700
—
—
1500

K9
48

—
170

60

120

K11000
—
—
—
—
—
—
—
—

--
270

280

K7

33
<1

<1
--
—
—
—
—
—
—
_,-
—
--
—

__
—
count) .
—
—
270
240

?40

400
7000
—
—
3800

360
270

--
140

530

1100

E84000
--
--
—
—
—
—
—
--

—
120

270

K4

280
K2

K3
—
—
--
—
—
—
—
__
--
.-
_.

	
—

—
—
180
200

120

92
43
56
100
78

110
100

—
110

120

120

69
68
60
64
76
83
89
—
72

--
93

110

120

120
130

110
89
86
86
—
—
bl
59
59
65
68
65

75
75

E Estimated.
                                    33

-------
                 SUPPLEMENTAL DATA B:  WATER-QUALITY DATA, OCTOBER  1978  THROUGH APRIL 1980

                  Potomac River  at Chain Bridge  at  Washington,  D.C.  (01646580)--Continued


DATE

OCT .
02. . .
04.. .
10...
N.OV
14...
DEC
19. ..
UAN ,
16...
FEH
27...
MAH
01...
19. ..
27...
APw
26...
MAY
23...
UUN
05...
13...
UUL
17...
A Ufa
15...
06...
06. ..
06...
0 7 ...
07...
07...
07...
HARD-
NESS,
NONCftR-
BONATE
(MG/L
CAC03)
(00902)
1974
—
--
58

58

47
1979
32

14

26
36
33

35

31

—
29

37

38
6
6
9
1H
16
14
14
CALCIUM
DIS-
SOLVED
(MG/L
Ab CA)
(0091-))

--
--
50

58

34

27

13

17
3(>
23

33

3J

—
33

34

34
21
21
Id
19
23
25
27
MAGNE-
SIUM.
Ulb-
SOLVEQ
(MG/L
AS '^ G )
(OU925)

—
--
13

13

7.6

6.9

2.5

3.4
6.8
4.9

7.0

6.2

—
6.6

9.6

8. 1
3.9
3.8
3.6
3.9
4.6
5. 1
5.2
SODIUM,
DIS-
SOLVED
(MG/L
Ab MA)
(00930)

—
—
22

26

9.3

8.0

3.0

3.6
7.0
5.2

8.2

8.6

—
7.4

15

13
^.-)
5.4
4.7
^.5
7.5
7.1
8. 1

SODIUM
PERCENT
(00932)

—
—
21

22

15

16

13

12
13
12

14

15

—
12

20

19
15
14
14
15
17
15
16
SODIUM
AD-
SORP-
TION
RATIO

(00931 )

--
--
.7

.8

. 4

. 4

.2

.2
.3
.3

.3

.4

—
.3

.6

.5
.3
.3
. T
.3
.4
.3
.4
POT4S-
blUM,
DIS-
SOLVED
(MG/L
AS K)
(00935)

--
--
2.7

3.0

2.2

1.8

2.1

1.9
1.6
1.7

1.5

i.a

—
2.8

2.4

3.0
3.3
3.3
4.3
4.0
3.7
3.5
3.3
ALKA-
LINITY
(MG/L
Ab
CAC03)
(00410 )

—
—
120

140

69

60

29

3(1
67
45

76

69

—
81

87

ao
63
62
51
46
60
69
75
bULFATE
DIS-
SOLVED
(MG/L
AS b04)
(00945)

—
—
66

74

40

27

16

18
30
25

34

30

—
29

49

43
15
15
11
16
20
20
23
CHLO-
RIDE,
DIS-
SOLVED
(MG/L
AS CD
(00940)

—
—
20

25

9.0

13

4.5

5.4
7.8
7.2

9.4

7.5

—
7.0

15

15
6.3
6.4
6.1
6.0
6.9
7.7
8.3
FLUO-
RIDE,
DIS-
SOLVED
(MG/L
Ab F)
(00950)

—
—
.1

.2

.1

.1

.1

.1
.1
. 1

.1

.1

—
.1

.1

.1
.1
.1
.1
.1
.1
.1
.1
 09...       23     22        4.1      4.0        10        .2       2.6        49      19
OCT
 11...
 17...
NOV
 21...
DEC
 12...
UA'M , 198'i
 14...
FEH
 11...
MAR
 11...
 18...
 18...
 18...
 19...
 19...
 22...
 22...
 22...
 23...
 23...
 24...
APR
 02...
 02...
25
23
33
34
33
35
31
30
28
28
32
35
36
40
31
26
25
25
5.5
6.9
7.4
7.5
a. i
7.4
b.R
5.8
5.7
4.5
8.4
7.8
9.6
11
8.9
9.9
9.6
9.3
12
18
16
19
15
15
19
19
19
.2
.4
.3
.4
.4
.4
.5
.5
.4
1.7
1.7
1.6
1.7
1.5
1.2
1.6
1.7
1.6
68
85
85
87
100
73
58
56
58
21
30
29
32
31
34
27
27
26
5.4
9.3
9.1
11
12
10
14
13
19
. 1
.1
.7
.1
.2
.1
.1
.1
.1
19
25
24
26
23
27
31
31
15
17
17
19
20
19
22
22
3.4
4.0
4.1
4.3
4.3
4.3
4.9
4.8
4.4
4.4
4.3
4.9
5.0
5.0
5.4
5.5
15
13
13
14
13
14
13
13
.3
.3
.2
.3
.3
.3
.3
.3
2.4
2.3
2.3
1.8
1.8
1.6
1.7
1.8
32
34
35
39
45
38
44
44
17
17
17
20
20
19
24
23
8.1
7.6
7.3
7.1
7.1
6.2
7.0 .1
6.7 .1
                                                     34

-------
SUPPLEMENTAL DATA B:   WATER-QUALITY DATA, OCTOBER 1978 THROUGH APRIL 1980




 Potomac River at Chain Bridge at Washington, D.C. (01646580)--Continued





DATE

nci .
02.. .
n 4 ...
1 U . . .
NOV
14...
DEC
19. ..
JAN .
16.. .
FFM
27...
WAR
0 I ...
19...
27. ..
AI-H
26...
MAY
23...
JUM
05.. .
13...
JOL
17.. .
AUG
15...
06. ..
06. ..
0 6 ...
07.. .
() 7 ...
0 7 ...
07 , . .
08...
09. . .
OCT
11...
17...
NOV
27. ..
DEC
12...
JAN ,
1"...
F t>3
11...
MAR
11.. .
18. ..
18...
18. ..
19...
22...
22...
22...
23...
23...
24...
APR
02...
02...
SILICA,
DIS-
SOLVED
(MG/L
AS
SI02)
(00955)
197-
2.6
2.3
1.4

.?

6. 1
19 It
7. 3

4. 3

5.9
7.1
5.7

1. 1

5.8

--
6. 7

1.5

5.»
6.1
b.«
6.1
6.6
6.5
6.7
7.0
--
7.9

--
B.4

2.1

3.2
1 S8u
4.3

5.1

l.H
3.7
3.8
3. 7
_.
5.5
6.0
6.0
6.4
6.7
6.9

6.7
6.7
SOLIDS,
RESIDUE
AT 180
OEG. C
DIS-
SOLVED
(MG/L)
(70300)

—
--
259

306

149

149

70

—
147
11 3

1V7

154

—
154

222

185
118
—
—
—
—
—
—
—
—

—
126

163

157

153

206

152
--
—
—
	
--
--
--
—
--
111

123
165
SOLIDS,
SUM OF
CONSTI-
TUENTS,
DIS-
SOLVED
(MG/L)
(70301 )

—
—
247

2rt4

116

126

63

79
138
100

140

132

—
141

181

172
104
103
89
93
113
119
135
—
96

--
121

147

152

161

17ft

142
129
126
131
	
82
86
86
94
99
91

105
103
SOLIDS,
DIS-
SOLVED
(TONS
PER
OC-FT )
(70303)

—
--
.35

.42

.20

.20

.10

.11
.20
.15

.21

.21

—
.21

.30

.25
.16
.14
.12
.13
.15
.16
.18
—
.13

--
.17

.22

.21

.21

.28

.21
.18
.17
.18
—
.11
.12
.12
.13
.13
.15

.17
.22
SOLIDS,
DIS-
SOLVED
(TONS
PER
DAY)
(7030?)

--
—
136li

14HO

2330

4710

37200

15700
6550
15200

42dO

4150

—
8820

2540

2470
19800
17300
14100
17700
25700
30600
37900
—
9360

—
9660

5240

3870

4210

4070

6120
8220
8910
10200
	
12700
—
13800
14100
14500
12600

19800
26700
SOLIDS,
RESIDUE
AT 103
DEG. C,
TOTAL
(MG/L)
(00500)

--
--
—

--

—

--

—

—
—
134

158

162

233
207

224

209
1030
767
682
568
622
ftHJ
589
308
363

226
—

--

—

—

--

--
135
134
137
	
124
173
117
116
115
—

--
"
NITRO-
GEN,
NITRATE
TOTAL
(Mb/L
AS N)
(00620)

--
—
--

—

l.b

--

--

1.1
1.6
--

--

--

1.3
--

.40

.45
__
1.?
.97
1.1
1.4
?.o
1.8
--
.77

1.2
1.3

1.1

1.4

l.b

l.B

.86
1 .2
1.2
1.3
	
1.4
1.5
1.2
1.3
1.3
1.5

1.4
1.4
NITRO-
GEN,
NITRATE
DIS-
SOLVED
(MG/L
AS N)
(00618)

—
—
--

—

—

—

--

—
1.6
—

--

—

1.3
—

.40

.44
—
.97
.85
.97
.98
.46
1.8
--
.36

1.3
1.3

1.1

1.4

1.5

1.9

.87
1.3
1.3
1.3
	
1.5
1.5
1.5
1.5
1.5
1.4

1.4
1.4
NITRO-
GEN,
NITRATE
DIS-
SOLVED
(MG/L
AS N03)
( 71851)

—
—
--

—

—

--

--

—
7.0
—

—

—

5.7
—

1.8

1.9
—
4.3
3.8
4.3
4.3
a.o
7.9
—
1.6

5.7
5.7

4.9

6.2

6.6

8.4

3.9
5.7
5.7
5.6
	
6.5
6.4
6.5
6.6
6.6
6.2

6.2
6.2
NITRO-
GEN,
NITRITE
TOTAL
(MG/L
AS N)
(00615)

—
—
—

—

.01

—

--

.02
.01
--

—

—

.02
—

.01

.01
—
.00
.03
.02
.03
.01
.01
—
.06

.03
.00

.00

.00

.01

.01

.00
.02
.02
.02
	
.06
.06
.06
.33
.03
.02

.02
.02
NITRO-
GEN,
NITRITE
DIS-
SOLVED
(MG/L
AS N)
(00613)

—
—
—

--

—

—

--

—
.01
—

—

—

.02
—

.01

.01
—
.03
.02
.03
.02
.03
.01
—
.03

.01
.01

.00

.01

.01

.01

.01
.02
.02
.03
	
.03
.05
.04
.02
.02
.01

.01
.01
                                    35

-------
SUPPLEMENTAL DATA B:   WATER-QUALITY DATA,  OCTOBER 1978 THROUGH APRIL 1980




 Potomac River at Chain Bridge at Washington,  B.C.  (01646580)--Continued






DATE

OfT ,
0 2 ...
l>4. ..
10. ..
NOV
14. ..
DEC
1 9 ...
JAN ,
16...
FEH
27...
01...
1 9 ...
27...
APR
26. . .
23...
JtlM
05. ..
13...
JUL
17...
IS...
06. ..
Ob. . .
06. ..
07...
0 7 ...
07. ..
07. ..
OH...
04. ..
ocr
11...
17...
'MOV
27...
DEC
12...
JAN ,
14...
FEH
11...
MAR
11...
18...
18...
18...
1 9 ...
19...
22...
?2...
22...
23...
23...
24...
APR
02...
02...
'NlTRO-
GFN,
N 11 R I T £
DIS-
SOLVED
(MG/L
A^> N(V)
( 71856)
1970
—
--
--

—

—
1974
--

--
—
.03
—

—
--

.07
—

.03
.03
__
.10
.07
.10
.07
.10
.03
—
.10

.03
.03

.00

.01
198"
.03

.03

.03
.07
.07
.10
—
—
.10
.16
.13
.07
.07
.03

.03
.03

NITRO-
GEN,
N02+N03
TOTAL
(MG/L
AS N)
(00630)

—
--
.79

.53

1.5

1.7

.90
1.1
1.6
1.4

. 79
1.0

1.3
1. 1

.41
.46
1.2
1.2
1.0
1.1
1.4
2.0
l.H
—
.83

1.2
1.3

1.1

1.4

1.5

1.8

.86
1.2
1 .2
1 .3
--
—
1.5
1.6
1.3
1.6
1.3
1.5

1.4
1.4
NIT"U-
GtN,
N02*N03
DI3-
SOLVED
(MG/L
AS N)
(006 il )

.58
.64
--

--

1.5

--

--
1.2
1.6
--

--
--

1.3
—

.41
.45
1.0
1.0
.87
1 .0
1.0
.49
l.H
—
.39

1.3
1.3

1.1

1.4

1.5

1.9

.88
1.3
1.3
1.3
--
—
1.5
1.5
1.5
1.5
1.5
1.4

1.4
1.4

NITRO-
GEN,
AMMONIA
TOTAL
(MG/L
AS N)
(00610)

—
--
.04

.01

.03

.08

.16
.07
.02
.05

.08
.01

.0?
.02

.07
.04
.87
.05
.10
.01
.13
.90
.66
—
.85

.06
.00

.01

.01

.12

.01

.09
.07
.03
.09
--
—
.20
.13
.10
.06
.06
.07

.04
.04
NITRO-
GEN,
AMMONIA
DIS-
SOLVED
(MG/L
AS N)
(00608)

—
—
—

—

—

—

--
—
.03
—

--
--

.00
--

.01
.00
.01
.08
.08
.00
.06
.25
.01
—
.31

.02
.01

.00

.00

.00

.01

.01
.06
.02
.05
--
—
.18
.02
.10
.08
.09
.03

.04
.03

NI TRO-
GEN,
AMMONIA
TOTAL
(MG/L
AS NH4)
(71845)

—
—
.05

.01

. 04

.10

.21
.09
.03
. Ob

.10
.01

. 02
.02

.08
.05
1.1
.06
.12
.01
.16
1.1
.80
—
1.0

.07
.00

.01

.01

.15

.01

.11
.OH
.04
.11
—
—
.24
.16
.12
.07
.07
.08

.05
.05
NITRO-
GFN,
AMMONI A
DIS-
SOLVED
(MG/L
AS NH4)
(71846)

—
—
—

—

--

—

--
-_
.04
--

--
--

.00
—

.01
.00
.ul
.10
.10
.00
.06
.32
.01
—
.40

.03
.01

.00

.00

.00

.01

.01
.08
.03
.06
—
—
.23
.03
.13
.10
.12
.04

.05
.04

NITRO-
GtN.
OKGANIC
TOTAL
(Mt>/L
AS N)
(00605)

—
—
.32

.55

.30

.31

1.1
.63
.06
.58

.28
.60

.9D
.47

.68
.69
2.6
2.4
2.2
.99
2.1
1.3
1.7
—
.45

1.1
.22

.43

.11

.17

.28

.26
.36
.47
.64
—
—
2.4
1.1
1.9
.53
.77
.39

.13
.24
NITRO-
GEN,
ORGANIC
DIS-
SOLVED
(MG/L
AS N)
(00607)

—
--
--

--

—

—

--
—
.03
—

--
--

.42
--

.40
.68
.59
.92
.71
1.0
.54
.68
1.1
—
.10

—
—

--

.10

.26

.34

.32
—
.37
.13
—
—
.77
1.1
.65
.36
.31
.57

.23
.21
NITRO-
GEN, AM-
MONIA *
ORGANIC
TOTAL
(MG/L
AS N)
(00625)

. 18
.53
.36

.56

.33

.39

1.3
.70
.08
.63

.36
.61

.97
.49

.75
.73
3.5
2.4
2.3
1.0
2.2
2.2
2.4
—
1.3

1.2
.22

.44

.12

.29

.29

.35
.43
.50
.73
—
—
2.6
1.2
2.0
.59
.83
.46

.17
.28'
NITRO-
GEN,NH4
* ORG.
SUSP.
TOTAL
(MG/L
AS N)
(00624)

—
.36
.01

.34

.25

.04

1.1
—
.02
.35

.27
.21

.55
.36

.34
.05
2.9
1.4
1.5
.00
1.6
1.3
1.3
—
.89

.00
.00

—

.02

.03

.00

.02
—
.11
.55
—
—
l.T
.10
1.3
.15
.43
.00

.00
.04
                                    36

-------
SUPPLEMENTAL DATA B:   WATER-QUALITY DATA, OCTOBER 1978 THROUGH APRIL 1980




 Potomac River at Chain Bridge at Washington, D.C.  (01646580)--Continued




OATE

dCT ,
02. ..
04. ..
10...
NOV
14...
DEC
19...
JAM ,
16. . .
F'FH
27...
01...
19...
27...
APR
26...
MAY
23...
O-i. ..
13...
JUL
17...
AUG
15...
SEP
06.. .
06. ..
06. ..
07...
07...
07. ..
0 7 ...
08.. .
09...
OCT
11...
17...
NiOV
27...
DEC
12...
JAN ,
14...
FFH
11...
MAR
11...
18...
18...
iM...
19...
22...
22...
22...
23...
23...
24...
APR
02...
02...
"'ITRO-
Gt~ N , AM-
MONIA *
ORGANIC
I' IS.
(MU/L
AS N)
<(.'0623>
1978
--
.17
.35

.22

.08
1979
.35

.22
—
.06
.28

.09

.40
.42
.13

.41

.68

.60
1.0
.79
1.0
.59
.93
1.1
—
.41

--
.32

--

.10
198"
.26

.35

.33
--
.39
.18
_-
.95
1.1
.75
.44
.40
.60

.27
.24
NITRO-
GEN,
TOTAL
(MG/L
AS M)
(00600)

—
—
1.2

1.1

1.8

2.1

2.2
1.8
1.7
2.0

1.2

1.6
2.3
1.6

1.2

1.2

4. 7
3.6
3.3
2.1
3.6
4.2
4.2
—
2.1

2.4
1.5

1.5

1 .5

1.8

2.1

1.2
1.6
1.7
2.0
—
4.1
2.H
3.3
2.2
2.1
2.0

1.6
1.7
NITRO-
GEN,
DIS-
SOLVED
(MG/L
AS M)
(00602)

—
--
--

—

--

--

—
--
1.7
—

--

—
1.7
—

.82

1 .1

1.6
?.o
1.7
2.0
1.6
1 .4
2.9
--
.80

2.6
1.6

--

1 .5

1.8

2.3

1 .2
—
1.7
1.5
—
2.5
2.6
2.3
1.9
1.9
2.0

1.7
1.6
NITfiO-
GEf.',
TOTHL
(MG/L
AS N03)
(71887)

--
—
5.1

4.8

8.1

9.3

9. 7
8.0
7.4
9.0

5.1

7.1
10
7.0

5.1

5.3

21
16
15
9.3
16
19
19
—
9.4

11
6.7

6.8

6.7

7.9

9.J

5.4
7.2
7.5
9. 0
—
18
12
15
9.7
9.4
8.7

7.0
7.4
PHOS-
PHORUS,
TOTAL
(MG/L
AS P)
(00665)

.06
.04
.04

.04

.07

.06

.41
.11
.05
.14

.00

.09
.18
. 11

.06

.11

.76
.63
.68
.57
.60
.56
.52
--
.26

.22
.06

.02

.02

.04

.04

.02
.08
.10
.14
—
1.0
,3H
.57
.23
.22
.17

.16
.17
PhOS-
PriOPUS
TOTAL
(MG/L
AS P04)
(71886)

.18
.12
.12

.12

.21

.18

1.3
.34
.15
.43

.00

.28
.55
.34

. 18

.34

2.3
1.9
2.1
1.7
1.8
1. 7
1.6
--
.80

.67
.18

.06

.06

.12

.12

.06
.25
.31
.43
—
3.1
1.2
1.7
.71
.67
.52

.49
.52
PHOS-
PHORUS.
DIS-
SOLVED
(MG/L
Ab P)
( 00666)

.01
.00
.1)1

.01

. 06

.05

.06
,04
.03
.03

.00

.0 1
.05
.04

.01

.0 1

--
.06
.OH
.1?
.1 1
.17
.09
--
.10

.10
.03

.01

.02

.03

.03

.02
.05
.03
.03
—
.07
.06
.08
.05
.04
.04

.03
.03
PHOS-
PHORUS,
ORTHO.
TOTAL
(MG/L
AS P)
( 70507)

--
--


—

. O'D

--

	
. 04
.02
—

—

—
.02
—

.02

.04

—
.05
.08
.06
.05
.12
.or
—
.23

.07
.00

.00

.05

.02

.02

.00
.01
.00
.01
—
.16
,12
.11
.04
.03
.08

.02
.01
PHOS-
PHORUS,
OkTHO,
DIS-
SOLVED
(MG/L
AS P)
(00671)

—
—
--

—

.04

—

--
.03
.02
.01

.00

.00
.01
.03

.00

.00

—
.03
.03
.03
.04
.04
.02
—
.04

.04
—

.00

.00

.03

.01

.01
.01
.00
.01
	
.03
.03
.08
.05
.06
.00

.03
.02
PHOS-
PHATE,
ORTHO.
DIS-
SOLVED
(MG/L
AS P04)
(00660)

—
—
—

--

.12

--

—
.09
.06
.03

.00

.00
.03
.09

.00

.00

—
.09
.09
.09
.12
.12
.06
—
.12

.12
—

.00

.00

.09

.03

.03
.03
.00
.03
	
.09
.09
.25
.15
.18
.00

.09
.06
ALUM-
INUM,
TOTAL
RECOV-
ERABLE
CJG/L
AS AD
( 01105)

—
—
—

—

200

—

—
?500
190
—

80

130
2400
830

220

170

13000
12000
9800
7000
7100
7700
7700
—
3100

1600
900

400

300

200

—

200
500
700
600
	
15000
11000
8000
2400
2000
1700

2200
2200
                                   37

-------
                SUPPLEMENTAL DATA B:  WATER-QUALITY DATA, OCTOBER 1978 THROUGH APRIL  1980

                 Potomac River at Chain Bridge at Washington, D.C.  (01646580)--Continued
DA1E
('Cl ,
 OS. . .
 04.. .
 10...
NOV
 It...
DEC

JAM >
 16...
FEH
ALUM-
INUM.
SUS-
PENDED
RECOV.
(Ob/L
Ob AL)
(01107)

ALUM-
INUM,
DIS-
SOLVED
(UG/L
AS AL )
(OHOb)



ARSENIC
TOTrtL
(U3/L
AS AS)
(01012)

ARSENIC
SUS-
PENDED
TOTAL
(UG/L
AS AS)
(01CI01)


ARSENIC
DIS-
SOLVED
(US/L
AS AS)
(01000)

BARIUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS BA)
(01007)
BARIUM,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS BA)
(01006)


BARIUM,
DIS-
SOLVED
(ua/L
Ab rtA)
(0100S)
BERYL-
LIUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS BE)
(01013)

CADMIUM
TOTAL
RECOV-
ERABLE
(UG/L
AS CD)
(01027)
CADMIUM
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS CD)
(01026)
     1978
           170
     1979
                     30
                                                 1       100
                                                                    0       100
MAR
 01...
 19...
 27...
APR
 26...
MAY

JUN
 05...
 13...
JUL
 17...
AUb

SEP
 06. . .
 06...
 06. . .
 07.. .
 07...
 or...
 07...
 08. . .
 09. . .
OCT
 11...
 17...
NOV
 27...
DEC
 12...
JAN , 199()
 14...
FEfl
 11...
MAR
 11...
 18...
 1H...
 18...
 19...
 19...
 22...
 22...
 22...
 23...
 23...
 24...
APR
 02...
 02...
          ?500
                     30
                     40
0
80
2400
7HO
170
120
13000
12000
9800
7000
7100
7700
7700
80
so
40
bO
hU
50
DO
40
40
40
JO
40
30
1300
 800

 200

   0

 100
           100
           400
           600
           500
         15000
         11000
          7900
          2100
          1600
          1600

          2100
          2100
300
100

200

300

100

200

100
100
100
100
          100
           60
           60
          300
          400
          100

          100
          100
                                                 1       100       100
                                                 1      200      200
                                                                            30
                                                                    0        40
                                                    38

-------
SUPPLEMENTAL DATA B:   WATER-QUALITY DATA, OCTOBER 1978 THROUGH APRIL 1980




 Potomac River at Chain Bridge at Washington, D.C.  (01646580)--Continued


CADMIUM
DIS-
SOLVED
(Ufa/L
DATE AS CU)
(01025)
OCT , 1978
10...
NOV
DEC
19... j
JAN , 1979
16...
FFh
27...
27...
27...
27...
27...
MAN
01...
19...
27... 0
APR
2b...
MAY
23...
JUN
05...
13... 0
JUL
17...
17...
AUG
15...
SEP
Ob. . . 1
06...
06. ..
07...
07...
07...
07...
09...
09.. .
OCT
11...
17...
NOV
27...
DEC
12... 2
JAN , 19HO
14...
11...
MAR
11... 12
18...
18...
18...
19...
22...
22...
22...
23...
23...
2*...
APR
02...
02...
CHRO- CHRO-
MIUM, MIUM, CHKO-
TOTAL SUS- MIUM,
PECOV- PENUEO DIS-
FKABLE RECOV. SOLVED
(UG/L (UG/L (UG/L
Ab CR) AS CR) Ab CR)
(01034) (01031) (01030)

—


<10 <10 0

—

—
--
—
—
—

10
<10
20 10 10

10

--

—
?0 0 30

20
— — —

20

40 20 20
—
—
—
—
—
—
—
—

—
o

8

20 10 10

11
—

10 0 <10
—
—
—
--
—
_-
__
-.-
.-
1

7
5
CORSLT,
COBALT, SUS- COPPER,
TOTAL PENUEO COBALT, TOTAL
RECOV- RECOV- DIS- RECOV-
ERABLE ENABLE SOLVED ERABLE
(UG/L (UG/L (UG/L (UG/L
AS CO) AS CO) AS CO) AS CU)
(01037) (0103h) (01035) (01042)

—


1010

—

—
—
—
--
--

10
4
4407

4

	

--
2029

4
	 	 	 	

4

19 19 0 34
—
__
—
—
—
—
—
—

—
3

3

0001

3
	

0011
—
—
--
—
-_
__
--
--
..
5

5
b
COPPER,
SUS- IRON,
PENOED COPPER, TOTAL
RECOV- DIS- RECOV-
ERABLE SOLVED ERABLE
(UG/L (UG/L (UG/L
Ab CU) AS CU) AS FE)
(01041) (01040) (01045)

--


0 0 310

—

—
--
—
—
—

5200
430
h 1 4300

290

530

4500
« 1 1800

450
— — —

940

31 3 23000
24000
20000
14000
14000
15000
16000
6300
—

3900
1000

—

0 1 130

200
--

0 2 230
820
1000
1100
—
30000
22000
1*000
3600
2900
2700

70
80
IRON,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS FE)
(01044)

_.


40

._

—
—
	
--
—

5200
P90
4300

^40

520

4400
laoo

450
—

920

23000
24000
20000
14000
14000
15000
16000
6200
6300

3aoo
1000

	

100

160
	

200
790
960
1100
__
30000
22000
14-000
3600
2800
2700

10
20
                                   39

-------
SUPPLEMENTAL DATA B:  WATER-QUALITY DATA, OCTOBER 1978 THROUGH APRIL  1980

 Potomac River at Chain Bridge at Washington, D.C.  (01646580)---Continued






DATE

CCT ,
10..
NOV
14..
DEC
19..
JAN ,
16..
FEH
27. .
27..
27..
27..
MAR
01..
14..
27..
APR
26. .
MAY
23..
JUN
Ob. .
13..
JUL
17..
17..
AUfa
15..
SEP
06. .
06..
06. .
07..
07..
07. .
07. .
09. .
04. .
OCT
11..
17..
NOV
2 I . .
DEC
12..
JAN ,
14..
FEB
11..
MAR
11..
1H. .
la..
1H. .
I-*..
19..
22..
22..
22..
23..
23..
24. .
APR
02..
02..


IRON.
DIS-
SOLVED
(UG/L
AS FE)
( 1)1046)
197rt
.

.

270
1974
.

.
.
.
.
'
bO
140
20

50

10

70
0

1
.

20

0
130
60
WO
bO
HO
110
bO
.

70
40

30

30
1 9ft 1
40

20

30
JO
40
30
.
.
60
40
180
30
100
40

60
60

LEAD,
TOTAL
RECOV-
ERABLE
(UG/L
AS PB)
(01051)

--

—

38

—

--
—
—
—

tt
7
38

4

—

—
59

30
—

13

130
—
--
--
—
—
—
--
—

—
9

3b

9

10

--

0
82
11
b
9
a
24
0
0
11
69
7

12
9
LEAD,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS PB)
(01050)

--

—

33

—

--
--
—
--

--
--
3b

--

--

--
bO

--
--

--

120
—
--
—
—
--
—
--
--

--
—

—

4

--

--

0
22
0
0
9
8
24
0
0
3
68
—

--
—


LEAD,
DIS-
SOLVED
(UG/L
AS PS)
(01049)

--

--

b

—

—
—
—
-_

—
—
3

--

—

--
9

—
—

—

6
—
—
—
—
--
—
—
--

--
--

--

0

--

--

0
60
16
7
0
0
0
0
0
8
1
—

—
—
MANGA-
NESE,
TOTAL
RECOV-
ERABLE
(UG/L
AS MN)
(01055)

—

--

30

--

--
—
--
—

190
40
?20

30

40

190
110

90
—

90

1200
990
850
600
650
710
650
370
--

170
60

20

10

20

--

40
70
80
100
—
--
970
780
600
230
200
160

200
220
MANGA-
NESE,
SUS-
PENDED
UECOV.
(UG/L
AS MN)
(01054)

—

—

10

—

—
—
--
~ —

170
21)
220

30

40

170
100

90
—

40

1200
9HO
850
590
640
700
640
370
—

160
60

20

1

10

--

20
50
50
80
--
—
970
770
590
220
190
160

190
210

MANGA-
NESE,
DIS-
SOLVED
(UG/L "
AS MN)
(01056)

—

—

20

--

—
—
—
—

20
20
3

0

3

20
10

2
—

3

6
8
3
7
10
10
6
4
—

10
b

4

9

10

10

20
20
JO
20
--
--
5
10
10
7
8
5

7
9

MERCURY
TOTAL
RECOV-
ERABLE
(UG/L
AS HG)
(71900)

—

—

< .5

—

--
--
—
— —

<.5
<.b
.5

.5

—

—
< .5

<.5
—

<.5

< .b
—
—
—
—
—
—
—
—

—
<. 1

<. 1

•1

<• 1

<. 1

.1
—
—
—
—
—
--
—
--
--
--
<• 1

.1
.1
                                                               MERCURY
                                                                  SUS-             NICKEL,
                                                                 PENDED   MERCURY   TOTAL
                                                                 KECOV-     OIS-    RECOV-
                                                                 ERABLE    SOLVED   EPABLE
                                                                 (UG/L     (UG/L    (UG/L
                                                                 AS  HG)    AS  HG)    AS NI)
                                                                (71H95)   (71890)   (01067)
                                                                                       15
                                                                     .0        .5
                                                                     . 0       < . 5
                                                                                       30
                                                                                       21
IB




11

 4


 5

24
                                     40

-------
SUPPLEMENTAL DATA B:   WATER-QUALITY DATA,  OCTOBER 1978 THROUGH APRIL 1980




 Potomac River at Chain Bridge at Washington,  D.C.  (01646580)--Continued


SELE-
N I UNI *
TOTAL
(UG/L
(1ATE AS SE)
(f. 1147)
OCT , ]97h
10...
MOV
14...
DEC
19. . . 0
JAN . 1979
lf>. . .
FEn
27...
?7. . .
27...
27...
27. ..
MAP
01. .. 0
1 9 ... II
27... 0
APR
26.. . 0
WAV
23...
JUN
05...
13... 0
JUL
17... 0
17...
AUG
15. .. 0
SEP
06. .. 0
Oo. . .
Ob...
07...
07...
07. ..
07...
09...
09...
UCT
11...
17...
NOV
27...
DEC
12... 0
JAN , 1980
14...
FEB
11...
MAR
1 1 ... 0
1M...
18...
18...
19...
19...
22...
22...
22...
23...
23...
84...
APR
02...
02...
SELfc- SILVER,
NIUM, SELE- SILVEK, SOS- ZINC,
SUb- NIUM, TOTAL PEMOED SILVEP, TOTAL
PENDED DIS- RECOV- RECOV- OIS- RECOV-
TOTAL SOLVED EPAHLE ERABLE SOLVED ERABLE
(UG/L (UG/L (UG/L (UG/L (UG/L (UG/L
AS SE) AS bE) AS AG) AS AG) Ab AG) AS ZN)
(01146) (01145) (01077) (01076) (01075) (0109^)

.-

—

0 10 0 0 0 30

—

--
—
--
—
—

30
30
0 0 0 0 0 50

JO

—

—
0 0 0 0 0 40

1.)
—

30

00000 150
--
—
—
—
— — — — — —
—
— ~- — — — —
--

--
10

0 -- — 10

0 0 0 0 0 10

20

--

0 0 0 0 0 10
— — — — — —
—
--
--
— -- -- — _ __ ._
-- — — __ -- ._
--
—
--
--
0 — — 20

0 — -- 30
0 — — 30
ZINC, SED.
SUb- SUSP.
PENUED ZINC, SIEVE
RECOV- DIS- DIAM.
ERABLE SOLVED % FINER
(UG/L (UG/L THAN
AS ZN) AS ZN) .062 MM
(01091) (01090) (70331)

100

100

50 0 100

83

71
87
90
86
86

86
—
40 10 91

100

9?

98
40 i 98

96
94

85

70 80 92
—
—
—
90
— — —
—
— 	 —
—

—
94

90

0 10 83

100

46

10 0 95
— 	 	
—
--
-_
«•— •— w —
•— v~ __
™~ — — V—
-- -- -_
-— — — __
— — — — _~
--

— — — — — —
—


SEDI-
MENT,
SUS-
PENDED
(MG/L)
(80154)

56

11

10

1 3

466~—
480
423
425
58j

178- -
—
209- -

t,

24

134 	
47

19
15

<->5

947- -
786
—
--
S26 .
—
560
—
—

-_
32

9

3

15

4

4
	
—
—
	
...
__
__
-i_
__
^—
^_

__
—
                                   41

-------
SUPPLEMENTAL DATA C:   WATER-QUALITY DATA,  OCTOBER 1978 THROUGH APRIL 1980




             James River at Cartersville,  Virginia (0203500)




DATE

OCT ,
04..
NOV
Oh. .
DEC
Ob..
JAN .
09..
FEr)
Ob. .
MAR
06. .
APR
13..
27..
MAY
07..
IB..
JUN
1?. .
22..
JUL
03..
AUt>
10..
21..
SFP
07..
24..
ucr
11..
24..
MOV
13..
19..
DEC
06..
IB. .
JAN <
15..
2b..
FE8
an..
22..
MAK
Of,..
14..
20..
31..
APR
01..



TIME


197rt
1245

1230

1230
1979
1230

1315

1?00

1313
1200

1230
1215

1230
1415

1400

1245
0930

0730
IbOO

0900
1430

1400
0900

1310
1300
19SM
1400
1230

1300
1330

1400
1230
103U
1300

1045
bTREAM-
FLOn.
INSTAN-
T/SNEOUb
(CFS)
(00061)

1030

1170

4230

12600

572(1

63300

8240
6970

7580
10100

10300
6400

4300

2030
2500

56900
35900

25500
7360

20100
9510

6580
5190

32000
15400

6620
5360

13600
12800
31000
20500

23100
SPE-
CIFIC
CON-
DUCT-
ANCE
(MICKO-
"HOb)
(00095)

220

303

205

95

112

75

132
140

135
98

130
145

143

195
190

85
113

105
132

143
138

160
155

105
110

140
170

100
102
95
125

130


PH

(UNITS)
(00400)

7.1

7.5

7.4

6.8

7.6

7.3

7.6
6.3

6.3
6.8

7.6
fl.O

8.6

7.7
7.2

6.5
7.3

7.1
7.4

7.5
7.1

7.3
7.5

6.9
6.7

6.6
7.2

6.9
7.3
7.3
7.0

6.9


TEMPER-
ATURE
(DL6 C)
(00010)

19.5

14.0

11.0

3.5

2.0

9.0

14.5
18.0

18.5
Id. 5

22.0
22.5

25.0

27.5
26.0

20.0
17.5

12.5
16. n

10.5
9.0

5.0
4.0

5.0
6.0

2.0
8.5

5.5
7.0
8.0
10.5

9.5

TUR-
HlD-
ITY
(MTU)
(00076)

1.0

2.0

b.O

JO

6.0

B.O

3.0
—

3.0
—

25
4.0

3.0

1.0
—

—
100

30
—

1.0
—

--
—

o.O
—

2.3
—

—
—
—
—

—

OXYGEN,
DIS-
SOLVED
(MG/L)
(00300)

8.2

10.8

11.0

12.5

14.1

11.5

8.2
--

9.7
9.2

10.2
10.5

10.1

8.6
7.7

8.1
8.5

9.8
9.2

10.7
—

12.o
1 3.4

13.2
12.7

13.?
12.4

13.6
12.2
11.6
12.4

11.2
COLI-
FOKM,
FECAL,
0.7
UM-MF
(COLS./
100 ML)
(31625)

86

<10

290

370

39

3100

61
—


-------
SUPPLEMENTAL DATA C:   WATER-QUALITY DATA, OCTOBER 1978 THROUGH APRIL 1980



       James River at Cartersville, Virginia (0203500)--Continued
MAGNE- SOUIUM POTAS- CHLO- FLUO- SILICA,
CALCIUM SIUM, SODIUM, AD- SIUM, ALKA- SULFATE RIDE, KIDE, DIS-
UIS- OIS- DIS- SOHP- DIS- UNITY DIS- DIS- DIS- SOLVED
SOLVED SOLVED SOLVED TION SOLVED (MG/L SOLVED SOLVED SOLVED (MG/L
MG/L (MG/L (MG/L SODIUM RATIO (MG/L AS (MG/L (MG/L (MG/L AS
DATE AS CA) AS MG) AS NA) PERCENT AS K) CAC03) AS S04) AS CD AS F) SI02)
(00915) (00925) (00930) (00932) (00931) (00935) (00410) (00945) (00940) (00950) (00955)
OCT . 197"
04. . .
NOV
06...
DEC
05...
JA'M , 197^
09...
FEd
06...
MAK
06.. .
APR
1 i. . .
27...
MAY
07...
l«...
JllN
l?...
22...
JUL
03.. .
AUG
1 0 ...
21...
StP
07...
24...
OCT
11...
24...
NOV
13...
19...
DEC
Ob. . .
IS. . .
JAN , 19»n
15...
2b. . .
FEH
0«. ..
2?...
MAK
06. ..
14...
20...
31...
01...

21

31

20

9.7

14

8.4

16
--

16
—

16
19

Itt

Itt
—

—
13

11
—

16
--

—
19

12
13

17
20

—
12
11
14
14

5.1

5.9

4.5

2.7

3.2

1.9

3.5
—

3.2
—

3.2
4.1

3.7

4.1
--

—
2.1

2.5
--

3.4
—

--
3.9

2.6
2.6

3.9
4.2

--
2.7
2.0
2.9
3.1

13

16

12

3.4

4.6

2.5

4.5
--

4.5
--

3.4
4.9

5.5

7.8
—

—
2.6

3.2
—

4.4
—

-.
5.8

3.6
2.6

4.8
5.6

--
3.7
2.5
3.1
3.5

27

25

27

17

17

14

15
—

14
—

12
14

16

21
—

—
12

15
—

19
—

—
20

20
14

15
15

—
16
13
12
13

.7

.7

.6

.2

.3

.2

.3
—

.3
—

.2
.3

.3

.4
—

--
.2

.2
—

.3
—

--
.3

.2
.2

.3
.3

—
.3
.?
.2
.2

2.7

2. a

2.8

1.3

1.3

3.0

1.2
--

7.0
—

1.4
2.0

2.5

2.4
—

--
1.5

1.4
—

1.5
--

—
1.6

1.3
1.0

1.1
1.2

—
.9
1.0
1.1
l.U

62

67

54

25

35

21

42
--

42
—

45
62

63

51
—

—
30

31
—

41
--

	
50

34
40

51
57

—
37
29
35
43

21

19

15

8.5

9.0

7.7

9.3
--

8.4
—

8.0
9.7

9.7

13
—

—
9.5

6.9
—

8.2
—

—
9.0

9.8
8.5

10
9.0

--
7.9
7.9
7.1
7.4

14

28

1H

4.2

6.1

5.8

6.0
—

12
—

4.3
5. a

8.2

13
--

—
3.0

3.5
—

6.0
—

—
7.6

6.2
3.9

7.2
9.3

—
5.0
3.1
4.3
4.9

.1

.1

.1

.1

.1

.0

.1
—

.0
—

.1
.1

.1

.1
--

—
.1

.1
—

.1
—

—
.1

.1
.1

.1
.1

—
.1
.1
.1
.1

8.1

b.O

H.Z

8.7

9.5

7.3

6.7
—

6.6
—

8.3
6.9

6.3

7.8
—

—
6.6

9.3
—

8.0
--

--
8.0

7.2
7.6

fl.5
7.2

--
7.5
6.1
7.6
7.8
                                  43

-------
SUPPLEMENTAL DATA C:   WATER-QUALITY DATA,  OCTOBER 1978 THROUGH APRIL 1980




       James River at Cartersville, Virginia (0203500) --Continued
3'iLIDS, SOLIDS,
RESIDUE SUM OF SOLIDS,
41 161) CONSTI- DIS-
utG. C TUENTS, SOLVED
DIS- DIS- (TONS
SOLVED SOLVED PER
DATE (MG/L) (MG/L) AC-FT)
(70300) (70301) (70303)
UCT , 1978
04... 137 122 .19
NOV
06... 149 149 .2(1
DEC
05... 124 113 .17
JAN , 1974
1)4... 6S 54 .09
FEU
06.. . 72 64 .10
MAR
06... 70 49 .10
APR
11... 81 73 .11
27. . . 75 -- .10
MAY
07... B5 83 .12
18... 70 -- .10
JUN
12... 76 72 .10
22... 41 41) .12
JUL
"3... 44 42 .13
AUG
10... 113 97 .15
21...
SFP
O/...
24... 66 bb .09
OCT
11... 6S 58 .09
24...
NOV
13... n 73 .10
14...
DEC
06...
18...
JAM , 1980
15. . . 77
25...
FEH
08... 81
22...
MAR
06.. .
14...
20...
31...
APR
01...
—
87

65
65

H5
92

--
64
53
0

69
--
. 12

.10
.09

.11
.13

—
.09
.07
.00

.09
NITRO- MITHO- NITRO- N1TRO-
SOLIDS, SOLIDS, NITRO- GEN, GEN, NITRO- GEN, GEN,
DIS- RESIDUE GEN, NITRATE NITRATE GEN, NITRITE NITRITE
SOLVED AT 105 NITRATE DIS- DIS- NITRITE DIS- DIS-
(TONS OEG. C, TOTAL SOLVED SOLVED TOTAL SOLVED SOLVED
PER TOTAL (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L
DAY) (MG/L) AS N) AS N) AS N03) AS N) AS N) AS N02)
(70302) (00500) (00620) (00618) (71851) (00615) (00613) (71856)
381
1420
2140
1110
12000
1800
141o
1740
1910
2110
!570
1090
619
132 .26 .26 1.2 .01 .01 .03
236 .34 .33 1.5 .02 .00 .00
b400
4680
88 .26 .26 1.2 .01 .00 .00
3960
79 .25 .15 .66 .00 .00 .00
—
1220

6650
2700

1450
1330

—
2210
4440
.00

4300
--
96

—
86

--
104

	
70
34
80

81
—
.35

.31
2.1

.33
.25

—
.27
.32
3.8

.33
—
.33

.32
.27

.34
.26

.24
.29
.32
.36

.34
—
1 .5

1.4
1.2

1.5
1.2

1.1
1.2
1.4
<1 .6

1.5
—
.00

.00
.00

.01
.01

.01
.01
.01
.01

.01
—
.01

.01
.01

.01
.01

.00
.01
.01
.00

.01
—
.03

.03
.03

.03
.03

.03
.03
.03
.03

.03

-------
SUPPLEMENTAL DATA C:   WATER-QUALITY DATA,  OCTOBER 1978 THROUGH APRIL  1980




       James River at Cartersville,  Virginia (0203500)--Continued





DATE

OCT ,
04. ..
NOV
06.. .
DEC
Ob...
JAN ,
09...
FEH
06. . .
MAk
06. . .
APR
13...
27...
MAY
07...
18...
JUN
12...
2?...
JUL
(J3...
AUG
1 0 ...
21...
SEP
07...
2*...
OCT
11...
24. ..
NOV
13...
14...
DEC
06. ..
18...
JAN .
15...
2b...
FEH
OH, . .
22...
MAR
06.. .
14...
20...
31...
APR
01...
NITRO-
GEN.
NU2»N03
TOTftL
(MG/L
Ab N)
(00630)
I97rt
.35

.03

.46
197^
.44

.51

.46

.2J
.13

.28
.28

.59
.21

.07

.10
.27

.36
.29

.28
.27

.22
.2*,

—
.35
1980
.31
2.1

.34
.26

--
.28
.33
3.8

.34
NITRO-
GEN,
N02*N03
DIS-
SOLVED
(MG/L
AS M)
(00631 )

--

—

—

--

—

—

—
—

--
—

—
—

—

--
.27

.33
.22

.28
.26

.18
.15

—
.34

.33
.28

.35
.27

.25
.29
.33
.37

.35
NITRO-
GEN,
AMMONIA
TOTAL
(MG/L
AS N)
(00610)

.02

.03

.05

.04

.06

.09

.01
.03

.01
.00

.23
.02

.05

.03
.03

.15
.04

.04
.00

.01
.03

--
.00

.11
.00

.06
.01

—
.00
.06
.25

.01
NITRO-
GEN.
AMMONIA
DIS-
SOLVED
(MG/L
Ab N)
(00608)

--

—

—

--

—

—

—
—

—
--

—
--

--

—
.00

.04
—

.00
.01

.02
.00

—
.01

.00
.01

.06
.01

.00
.00
.06
.02

.02
NITRO-
GEN,
AMMONIA
TOTAL
(MG/L
Ab NH4)
(71845)

—

—

—

—

—

—

.01
—

.01
—

.2H
.02

.06

.04
.04

.18
.05

.05
.00

.01
.04

--
.00

.13
.00

.07
.01

--
.00
.07
.30

.01
NITRO-
GEN,
AMMONIA
DIS-
SOLVED
(MG/L
AS NH4)
(71846)

—

—

—

—

—

—

—
—

--
—

—
—

—

—
.00

.05
—

.00
.01

.03
.00

—
.01

.00
.01

.08
.01

.00
.00
.Ob
.03

.03
NITRU-
GEN,
ORGANIC
TOTAL
(MG/L
AS N)
(00605)

.23

.32

.19

.30

.25

.72

.00
.40

.28
.6?

.25
.31

.23

.32
.15

1.3
.91

.37
.21

.26
.35

--
.?0

.43
.73

.14
.78

—
.19
.71
.10

.23
NITHO-
GEN,
ORGANIC
DIS-
SOLVED
(MG/L
AS hi)
(00b07)

—

—

—

—

—

—

—
—

—
—

—
—

—

—
.13

.81
—

.18
.37

.28
.31

—
.11

.35
.27

.07
1.3

—
.14
.39
.18

.12
NITRO-
GEN, AM-
MONIA *
ORGANIC
TOTAL
(MG/L
AS N)
(00625)

.25

.35

.24

.34

.31

.81

.00
.44

.29
.62

.48
.33

.28

.35
.18

1.4
.95

.41
.21

.27
.38

—
.20

.54
.73

.20
.79

--
.11
.77
.35

.24
NITRO-
GEN, NH4
» ORG.
SUSP.
TOTAL
(MG/L
AS N)
(00624)

.00

.15

.11

.22

.18

.44

.00
—

.00
—

.37
.22

.17

.28
.05

.55
.85

.23
.00

.00
,07

—
.08

.19
.45

.07
.00

—
.05
.32
.15

.10
NITRO-
GEN, AM-
MONIA +
ORGANIC
DIS.
(MG/L
AS N)
(00623)

.29

.20

.13

.12

.13

.37

.04
—

.29
—

.11
.11

.11

.07
.13

.85
.10

.18
.38

.30
.31

—
.12

.35
.28

.13
1.3

—
.14
.45
.20

.14
                                  45

-------
SUPPLEMENTAL DATA C:   WATER-QUALITY DATA,  OCTOBER 1978 THROUGH APRIL 1980



       James River at Cartersville, Virginia (0203500] --Continued


DATE

OCT ,
04...
MJV
06. . .
DEC
05...
JAN ,
09. . .
FEH
Ob...
MAR
06...
APR
13...
27...
MAY
07...
IB...
JUN
12...
22...
JUL
03...
AUG
10...
21...
SEP
07...
24...
OCT
11...
24...
NOV
13...
19...
DEC
06...
18...
JAN ,
15...
2b...
FEcl
On, . .
22...
MAR
06...
14...
20...
31...
APR
01...
NITRO-
GEN*
TOTAL
(MG/L
AS N)
(00600)
197K
.60

.38

. 70
1979
.78

.82

1.3

.23
.57

.57
.90

1.1
.54

.35

.45
.45

1.8
1.2

.69
.48

.49
.63

—
.55
1980
.85
2.8

.54
1.1

—
.47
1 .1
4.1

.58
NITRO-
GEN.
DIS-
SOLVED
(MG/L
AS N)
(00602)

—

—

--

—

—

--

—
--

—
—

--
--

—

—
.40

1.2
.32

.46
.64

.48
.46

—
.46

.69
.56

.46
1.6

—
.43
.78
.57

.49
NITrtO-
6EN.
TOTAL
(MG/L
AS N03)
(718^7)

2.7

1.7

3.1

3.5

3.6

5.6

1.0
2.5

2.5
4.0

4. 7
2.4

1.6

2.0
2.0

7.8
5.5

3.1
2.1

2.2
2.8

—
2.4

3.8
13

2.4
4.6

—
2. 1
4.9
18

2.6
PHOS-
PHORUS,
TOTAL
(MG/L
AS P)
(00665)

.12

.15

.12

.10

.05

. 15

.06
.05

.07
.07

.09
.07

.04

.09
.10

.48
.33

.12
.07

.09
.06

—
.07

.12
.05

.07
.OR

—
.06
.24
.09

.16
PHOS-
PHORUS
TOTAL
(MG/L
AS P04)
(71886)

—

—

—

--

—

--

.!«
—

.21
—

.28
.21

.12

.28
.31

1.5
1.0

.37
.21

.28
.IB

—
.21

.37
.15

.21
.25

—
.18
. 74
.28

.49
PHOS-
PHORUS,
DIS-
SOLVED
(MG/L
AS P)
(00666)

.10

.14

.10

.02

.03

.03

.05
.OJ

.15
.05

.03
.04

.02

.09
.09

.05
.04

.03
.06

.05
.04

—
.07

.03
.03

.05
.06

—
.02
.02
.03

.05
PHOS-
PHORUS,
ORTHO.
TOTAL
(MG/L
AS P)
(70507)

--

—

—

—

—

--

.03
.03

—
.03

.02
.03

.03

.07
.07

.07
—

--
.05

—
.03

—
.06

.05
.03

.03
.04

.02
.02
.19
.00

.05
PHOS-
PHORUS,
ONTHO,
DIS-
SOLVED
(MG/L
AS P)
(00671)

—

—

—

—

—

—

.03
.02

—
.04

.02
.03

.02

.07
.06

.01
—

—
.04

--
.01

—
.05

.02
.03

.02
.03

.01
.01
.22
.02

.04
PHOS-
PHATE,
ORTHO,
DIS-
SOLVED
(MG/L
AS P04)
(00660)

—

—

—

—

—

—

.09
.06

--
.12

.06
.09

.06

.21
.18

.03
..

—
.12

—
.03

—
.15

.06
.09

.06
.09

.03
.03
.67
.06

.12
ALUM-
INUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS AD
(01105)

—

—

—

—

—

—

4
500

—
700

—
—

—

—
10

6700
—

—
700

—
600

—
600

1900
500

200
300

1800
500
2500
1100

1100
ALUM-
INUM,
SUS-
PENDED
RECOV.
(UG/L
AS AL)
(01107)

--

—

—

—

—

—

0
400

--
400

--
--

—

—
0

6300
—

—
500

--
0

—
300

1700
400

100
100

1700
300
2300
900

900
                                   46

-------
                 SUPPLEMENTAL  DATA C:   WATER-QUALITY  DATA,  OCTOBER  1978  THROUGH  APRIL  1980

                        James  River at  Cartersville,  Virginia  (0203500)--Continued
DATt

cLUM-
1MUM,
DIS-
bOLVEO
(UG/L
ub AD
(01 106)



ARSENIC
TOTAL
(UG/L
AS AS)
(01002)

ARSENIC
SUb-
PENOED
TOTAL
(U6/L
AS AS)
(01001)


ARSENIC
DIS-
SOLVED
(Ufa/L
AS AS)
(01000)

BARIUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS BA>
(01007)
BARIUM,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
Ab BA)
(01006)


BARIUM,
DIS-
SOLVED
(UG/L
AS 8A)
(01005)

CADMIUM
TOTAL
RECOV-
ERABLE
(US/L
AS CD)
(01027)
CADMIUM
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS CD)
(01026)


CADMIUM
DIS-
SOLVED
(UG/L
AS CD)
(01025)
CHRO-
MIUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS CR)
(01034)
OC T , 197-<
0 * ...
NOV
Ob...
DEC
05...
JAN , 1979
09...
FEri
06. . .
MA«
06...
APR
13...
27...
MAY
07...
In...
JUN
12...
22...
JUL
03...
AUG
10...
21...
SEP
07...
24...
OCT
11...
24...
NOV
13...
19...
DEC
06.. .
IB.. .
JA'
-------
                 SUPPLEMENTAL DATA C:  WATER-QUALITY DATA, OCTOBER  1978  THROUGH 4.PRIL 1980

                        James River at Cartersville, Virginia  (0203500)--Continued
DATE
OCT ,
 04. .,
NOV
 Ob. . .
DEC
 05. . .
JAN ,
 09. . ,
f£*
 Ol. . ,

 06. ..
APR
 13..,
 27..,
         CHHO-
         "UUM,
          SUS-
         PENDED
         -ftCOV.
         (UG/L
         AS CR)
        (Ul031)
                 CHRO-   COBALT,
                 MIUM.
                          TOTAL
                  COHALT,
                   sub-
                  PENDFD   COBALT,
                                                               COPPER,                      IRON,
                                                      COPPhR,    SUS-              IRON,     SUb-
                                                       TOTAL     PFNDEO   COPPER,   TOTAL    PENDED
                                                                                                    IRON,
 DIS-      RECJV-   RECOV-   DIS-     RtCOV-   RECOV-   UIS-     KECOV-    RECOV-     DIS-
 SOLVED    ERAdLE   EKAPLE  SOLVED    ERAbLE   ERABLE   SOLVED   ERABLE    ERABLE    SOLVED
 (UG/L     (Ub/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L     (UG/L     (UG/L     (UG/L
 AS  CR)    AS CU)   Ab CO)   AS CO)    AS CU)   AS CU)   AS CU)   AS  EE)    AS  FE>    AS FE)
(01030)   (01037)  (OJOJ6)  (01035)   (0104).
 21.
S£P
 07.
 24.
 24.
OCT
 11.
 ?4.
NOV
 13.
 14.
DEC
 Oh.
 IX.
JA J
 0 8 ...

MAR
 Oh. ..
 14...
 20...
 31...
APR
 01...
            20
            10
                     10
                                                            2
                                                            10
            30
                     20
                                                          lu
                                                                                   1000
                                                                                    2100
                                                                                     710
                                                                    360

                                                                  14000

                                                                  10000


                                                                    600
                     10
                                                                                    510
                                                                    320

                                                                  12000
                                                                   1100

                                                                    290
                                                                    370

                                                                   3600
                                                                   1200
                                                                   5000
                                                                   2200

                                                                   1700
                                                                                             900
2000
 660
                                                                                              330

                                                                                            14000

                                                                                            10000


                                                                                              500

                                                                                             1BOO
                                                                                              420


                                                                                              210

                                                                                            12000
                                                                                             1000

                                                                                              230
                                                                                              320

                                                                                             3500
                                                                                             1200
                                                                                             4900
                                                                                             2200

                                                                                             1700
                                                                                                       100
60
50
           30

          300

          110


          100

           60
           90


          110

          200
           80

           60
                                                                                                       110
                                                                                                       50
                                                                                                       HO
                                                                                                       10

                                                                                                       40
                                                    48

-------
                   SUPPLEMENTAL DATA C:  WATER-QUALITY DATA, OCTOBER 1978 THROUGH  APRIL 1980

                          James River  at Cartersville, Virginia (0203500)--Continued
 DATE

LEAD,
TOTAL
RECOV-
ERABLE
I JG/L
As Pti)
LEAO,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS P8>


LEAO.
DIS-
SOLVED
(UG/L
AS PH )
MANGA-
NESE,
TOTAL
RECOV-
ERABLE
(Ufa/L
AS MN>
MANGA-
NESE,
SUS-
PENDED
RECOV.
(UG/L
AS MN)

MANGA-
MEbE,
DIS-
SOLVED
(UG/L
AS MM)

MERCURY
TOTAL
RECOV-
ERABLE
(UG/L
AS MJ}
MERCURY
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS HG)


MERCURY
DIS-
SOLVED
(UG/L
AS HG)

NICKEL,
TOTAL
RECOV-
ERABLE
(UG/L
AS NI)


SELE-
NIUM,
TOTAL
(UG/L
AS SE)
                  (01050)   (01049)   (01055)   (01054)   (01056)   (71900)   (71M95)   (71O90)   (01067)   (01147)
OCT
 0*.
NOV
 06.
DEC
 05.
JAM
 09.
                            20
                                     20
                                                                 .0      <.i>
 0 6 .
MAR
 0*1.
APK
 U.
 27.
MAY
 01.
 1H.
JUN
 12.
 ?<;.
JUL
 (1 3 .
AUG
 10.
 21.
bEP
 0 7 .
 Vt.
 ?*.
UC1
 11.
 ?.<\.
NOV
 13.
 IV.
DEC
 06.
 18.
JAM
 Ib.
 ?S.
FEH
 U 8 .
 22.
MAR
 Ob.
 l
-------
SUPPLEMENTAL DATA C:   WATER-QUALITY DATA,  OCTOBER 1978  THROUGH APRIL  1980




       James River at Cartersville, Virginia (0203500)--Continued
SELE-
NIUM,
SUS-
PENDED
TOTAL
(UG/L
UATt AS SE)
(01 146)
DC 1 , 1978
04. . .
'lOV
U6. . .
DEC
Ob. . . 0
JAN . 1979
09. . .
FF.H
06. ..
MAK
06. .. 0
APP.
13...
27...
MAY
07...
JUN
12... 0
22... 0
JUL
03...
AUb
10...
21.. .
SEP
07...
24...
24. .. 0
OCT
11.. .
24...
NUV
13... 0
GET
06. . .
18...
JAN . 1980
Ib...
2b...
FE>-
OH... 0
22...
MAP
06...
14...
20...
31...
APH
01...
bILVEP,
SELF.- SILVER, SUS- ZINC,
NIUM. TOTAL PENDED SILVEP, TOTAL
OIS- 4ECOV- RECOv- DIS- HFCOV-
SOLVED EKAHLE ERABLE SOLVED EKABLE
(UG/L (UG/L (Ub/L (Ub/L (UG/L
AS St) Ab AG) AS AG) AS Aft) AS ZN)
(Oll4b) (01077) (01076) (0107b) (01092)

—

—

0 0 0 0 30

__

__

0 U 0 0 60

—
—

—

0 0 0 0 80
0 0 0 0 30

—

—
—

—
—
0 0 0 0 50

—
—

0 0 0 0 20

—
—

30
— -_ — — —

0 0 0 0 40
—

150
__
__
—

—
ZINC,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS ZN)
(01091)

—

—

JO

--

--

60

--
—

--

70
20

--

—
--

--
--
40

	
	

20

--
--

--
—

20
--

—
--
--
--

--
SED.
SUSP.
ZINC, SIEVE
DIS- DIAM.
SOLVED % FINEP
(UG/L THAN
AS ZN) .062 MM
(01090) (70331)

100

48

0 100

64

68

0

100
—

100

b 93
10

91

100
__

—
91
10

49
--

J b?

86
—

72
— —

20 100
—

—
—
—
—

—


SEDI-
MENT,
SUS-
PENDED
(MG/L)
(80164)

3

6

34

87

12

—

19
	

f,

6?
—

1*

2
2"

—
294
—

IbO
16

b4

7
—

157
—

3
—

—
—
—
—

—
                                   50

-------
                        SUPPLEMENTAL DATA D:   PESTICIDE DATA




Susquehanna River at Conowingo,  Maryland (01578310),  November 1978 through April 1980



DATE

-MM ,
09. .
DEC
21..
21..
JAM ,
10..
10..
29..
29..
(• tR
28..
i-i A R
28..
23..
"AY
22..
JUN
26..
JUL
£4. .
AUG
17..
btP
04..
"CT
16..
^ 0V
13..
UEC
11..
JAM ,
15..
29..
FEh
12..
MAR
10..
22..
24..
APR
02..


TIME


1978
1115

1000
1100
1979
1030
1 1 Ib
1015
lllb

094b

1000
1230

1100

1030

1200

1230

1100

1030

1200

1145
19flO
1030
1100

1130

1000
1500
1320

1200

PCB, ALDRIN,
TOTAL TOTAL
(UG/L) (UG/L)
(39516) (39330)

.0 .00

.0 .00
.0 .00

.0 .00
.0 .00
.0 .00
.0 .00

.0 .00

.0 .00
.0 .00

.0 .00

.0 .00

.0 .00

.0 .00

.0 .00

.0 .00

.0 .00

.0 .00

.0 .00
.0 .00

.0 .00

.0 .00
.0 .00
.0 .00

.0 .00
ATRA-
ZINE,
TOTAL
(UG/L)
(39630)

.00

.10
.00

—
.00
.00
.00

.00

.00
.00

.20

.30

.50

.20

.10

.10

.00

.00

.10
.00

.00

.10
.10
.10

.00
CHLOR-
DANE,
TOTAL
(UG/L)
(39350)

.0

.0
.0

.0
.0
.0
.0

.0

.0
.0

.0

.0

.0

.0

.0

.0

.0

.0

.0
.0

.0

.0
.0
.0

.0

ODD,
TOTAL
(UG/L)
(39360)

.00

.00
.00

.00
.00
.00
.00

.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00

DDE,
TOTAL
(UG/L)
(39365)

.00

.00
.00

.00
.00
.00
.00

.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00

DDT,
TOTAL
(UG/L)
(39370)

.00

.00
.00

.00
.00
.00
.00

.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
01-
ELtlRIN
TOTAL
(UG/L)
(39380)

.00

.00
.00

.00
.00
.00
.00

.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
                                          51

-------
                         SUPPLEMENTAL DATA D:   PESTICIDE DATA--Continued




Susquehanna River at Conowingo,  Maryland (01578310),  November 1978 through April 1980--Continued


DATE

I^OV .
09..
DEC
21..
21..
JAN ,
10..
10..
29..
29..
FEH
28..
28..
AMR
23..
MAY
22..
JUN
26..
JUL
24..
AUG
17..
bEP
04..
OCT
16..
'MOV
13..
UEC
11..
JAN .
15..
39..
HER
12..
MAR
10..
22..
24..
APR
02..
ENDO-
bULFANt
TOTAL
(UG/L)
(39388)
1978
.00

.00
.00
1979
.00
.00
.00
.00

.00
.00

.00

.00

.00

.no

.00

.00

.00

.00

.00
19dO
.00
.00

.00

.00
.00
.00

.00
ENDRIN,
TOTAL
(UG/L)
(39390)

.00

.00
.00

.00
.00
.00
.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
HEPTA-
CHLOR,
TOTAL
(UG/L)
(39410)

.00

.00
.00

.00
.00
.00
.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
HEPTA-
CHLOR
EPOXIDE
TOTAL
(UG/L)
(39420)

.00

.00
.00

.00
.00
.00
.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
LINOANE
TOTAL
(UG/L)
(39340)

.00

.00
.00

.00
.00
.00
.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
METH-
OXY-
CHLOR,
TOTAL
(UG/L)
(39480)

—

--
--

—
—
--
—

—
—

—

—

--

—

—

—

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
MIREX,
TOTAL
(UG/L)
(39755)

.00

.00
.00

.00
.00
.00
.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
MAPH-
THA-
LENES,
POLY-
CHLOR.
TOTAL
(U6/L)
(39P50)

.00

.00
.00

.00
.00
.00
.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
PER-
THANE
TOTAL
(UG/L)
(39034)

.00

.00
.00

.00
.00
.00
.00

.00
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
                                              52

-------
                         SUPPLEMENTAL DATA D:   PESTICIDE DATA--Continued




Susquehanna River at Conowingo,  Maryland (01578310),  November 1978 through April  1980 --Continued



D4TE

MOV f
04. ..
OEC
21...
?1...
JAN ,
10...
10...
29...
?V...
FEd
28.. .
MAR
28...
APR
23...
MAY
22...
JUN
26...
JUL
24...
AUb
17...
SEP
04...
OCT
16...
MOV
13...
OEC
11...
JAN .
15...
24...
FEB
12...
MAR
10...
22...
24...
APR
02...
PROME-
TONE
TOTAL
(U6/L)
(39056)
197B
—

—
—
1979
--
—
—
—

—

—

—

—

—

—

.0

.0

.0

.0

.0
1980
.3
.0

.0

.0
.0
.0

.0
PKOME-
TKYNE
TOTAL
(UG/L)
(3V057)

—

—
—

—
--
—
—

--

—

—

—

—

—

.0

.0

.0

.0

.0

.7
.0

.0

.0
.0
.0

.0
SIME-
THYNE
TOTAL
(US/L)
(39054)

—

—
—

--
—
—
—

—

—

—

—

--

.0

.0

.0

.0

.0

.0

.0
.0

.0

.0
.0
.0

.0
SIMA-
ZINE
TOTAL
(UG/L)
(39055)

—

—
—

—
--
—
—

—

—

—

—

—

.0

.0

.1

.0

.0

.0

.u
.0

.0

.0
.0
.0

.0
TOX-
APHENE,
TOTAL
(UG/L)
(39400)

0

0
0

0
0
0
0

0

0

0

0

0

0

0

0

0

0

0

0
0

0

0
0
0

0

2»4-0»
TOTAL
(UG/L)
(39730)

.00

.00
.00

.00
.00
.02
.00

.07

.03

.07

.22

.09

.00

—

.17

.00

.00

.01

.00
.03

.03

.16
.02
.02

.01

2,4,5-T
TOTAL
(UG/L)
(39740)

.01

.00
.00

.01
.01
.01
.01

.03

.01

.00

.01)

.00

.00

—

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00

SILVEX,
TOTAL
(UG/L)
(39760)

.00

.00
.00

.00
.00
.00
.00

.00

.00

.00

.00

.00

.00

—

.00

.00

.00

.00

.00
.00

.00

.00
.00
.00

.00
                                               53

-------
                               SUPPLEMENTAL DATA D:   PESTICIDE  DATA--Continued




        Potomac  River  at  Chain Bridge  at  Washington,  D.C.  (01646580),  March  1979  through March 1980



DATE

MAK .
01..
27..
APK
26..
MAY
09..
23..
JUN
13..
JUL
17..
AUG
15..
SEP
06..
OCT
17..
DEC
12..
JAN ,
14..
FEH
11..
MAR
11..
1H..
18..
19..
22..




DATE

MAK .
01..
27..
APR
26..
MAY
09. .
23..
JUN
13..
JUL
17..
AUG
15..
SEP
06..
OCT
17..
DEC
12..
JAN ,
14..
FEB
11..
MAR
11..
1H..
18..
19..
22..


TIME


1979
1230
1000

1300

1330
1045

1030

1030

1030

1030

1100

1030
1930
1030

1030

1100
1230
1900
1000
1330


ENORIN,
10TAL
(UG/L)
( }9390)
197*
.00
.00

.00

ND
.00

.00

.00

.00

.00

.00

.00
19«(J
.00

.00

. .00
.00
.00
.00
.00

PCS.
TOTAL
(UG/L)
(39516)

.0
.0

.0

ND
.0

.0

.b

.0

.0

.0

.0

.0

.0

.0
.0
.0
.0
.1


ETHION,
TOTAL
(UG/L)
(3939B)

—
—

—

ND
—

—

--

—

--

—

—

—

--

—
—
—
—
—

ALDRIN,
TOTAL
(UG/L)
(39330)

.00
.00

.00

ND
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00

HEPTA-
CHLOR,
TOTAL
(UG/L)
(39410)

.00
.00

.00

ND
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00
ATRA-
ZINE,
TOTAL
(Ub/L)
(39630)

.00
.00

.00

--
.20

.40

.30

.30

.40

.00

.00

.00

.00

.00
.00
.00
.00
.10
HfcPTA-
CHLOR
EPOXIDE
TOTAL
(UG/L)
(39420)

.00
.00

.00

ND
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00
CHLOH-
DANE,
TOTAL
(UG/L)
(39330)

.0
.0

.0

ND
. 0

.0

.0

.0

.0

.0

.0

.0

.0

.0
.0
.0
.0
.0


LIND4NE
TOTAL
(UG/L)
(39340)

.00
.00

.00

ND
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00

DDD,
TOTAL
(UG/L)
(39360)

.00
.00

.00

ND
.00

.00

.00

.00

.01

.00

.00

.00

.00

.00
.00
.00
.00
.00

MALA-
THION,
TOTAL
(UG/L)
(39530)

—
—

—

ND
—

—

—

--

—

—

--

—

--

—
—
—
—
—

DDE,
TOTAL
(UG/L)
(39365)

.00
.00

.00

ND
.00

.00

.00

.00

.01

.00

.00

.00

.00

.00
.00
.on
.00
.00
METH-
OXY-
CHLOrt,
TOTAL
(UG/L)
(39490)

—
—

—

ND
—

—

—

—

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00
DI-
DDT, AZINON,
TOTAL TOTAL
(UG/L) (UG/L)
(39370) (39570)

.00
.00

.00

ND ND
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00
METHYL METHYL
PARA- TRI-
THION. THION,
TOTAL TOTAL
(UG/L) (UG/L)
(39600) (39790)

—
—

—

ND ND
—

—

—

—

--

—

—

—

--

—
—
—
--
—
DI-
ELDRIN
TOTAL
(UG/L)
(39380)

.00
.00

.00

NO
.00

.00

.00

.00

.01

.00

.00

.00

.00

.00
.00
.00
.00
.00


MIREX,
TOTAL
(UG/L)
(39755)

.00
.00

.00

—
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00
ENDO-
SULFAN,
TOTAL
(UG/L)
(39388)

.00
.00

.00

—
.00

.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00

PAHA-
THION,
TOTAL
(UG/L)
(39540)

—
—

--

ND
—

—

—

--

—

—

—

—

—

—
—
—
--
—
ND Below limits of detection (not detected).
                                                    54

-------
                            SUPPLEMENTAL DATA D:   PESTICIDE DATA--Continued




Potomac River at Chain Bridge at Washington, B.C.  (01646580), March 1979 through March 1980--Continued
NAPH-
THA-
LENES,
POLY- PER- PROME- PROME- SIME- SIMft- TOX-
CHLOR. THANE TONE TRYNE TRYNE ZINE APHENE, 2,4-0, 2,4,5-T SILVEX,
TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL
DATE (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(39250) 139034) (39056) (390^)7) (39054) (39055) (39400) (39730) (39740) (39760)
MR , 1979
01... .00 .00 -- -- — — 0 .01 .01 .00
27... .00 .00 — — — — 0 .01 .01 .00
APH
2e... .00 .00 — -- -- — 0 .01 .00 .00
MAY
0"i... — -- -- — — — MD
23... .00 .00 — — — — 0 .01 .00 .00
JUN
13... .00 .00 — — — — 0 .02 .00 .00
JUL
17...
AUG
15...
SEP
06. ..
OCT
17...
DEC
12...
JAN • 19HO
14...
FEH
11...
MAR
11...
18...
18...
19...
22...

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00

.0

.1

.0

.0

.0

.2

.0

.0
.0
.0
.0
.1

.2

.3

.3

.0

.0

.0

.0

.0
.0
.0
.0
.1

.0

.0

.0

.0

.0

.0

.0

.0
.0
.0
.0
.0

.0

.0

.0

.0

.0

.0

.0

.0
.0
.0
.0
.0

0

0

0

0

0

0

0

0
0
0
0
0

.07

.00

.14

.00

.00

.00

.00

.00
.00
.00
.00
.02

.00

.00

.01

.00

.00

.00

.00

.00
.00
.00
.00
.00

.00

.00

.00

.00

.00

.00

.00

.00
.00
.00
.00
.00
   ND  Below  limits  of  detection  (not  detected).
                                                   55

-------
                  SUPPLEMENTAL DATA D:   PESTICIDE DATA--Continued



James River at Cartersville,  Virginia (02035000), November 1979 through March 1980



OATE

",0V ,
19..
DEC
06..
18..
JAN ,
15..
20..
31..






DATE

JOV ,
19. .
otc
06..
18..
vjAN ,
15..
MAR
20..
31..


TIME


1979
. 0900

1310
1300
19BO
1400
1030
1300



ENDO-
SULFAN,
TOTAL
(UG/L)
(393B8)
1979
.00

.00
.00
1980
.00

.00


PCS,
TOTAL
(UG/L)
(39516)

.0

.0
.0

. 0
.0
"




ENDHII^t,
TOTAL
(UG/L)
(39390)

.00

.00
.00

.00

.00


ALDHIN,
TOTAL
(UG/L)
(39330)

.00

.00
.00

.00
.00
"" ~



HEPTA-
CHLOH.
TOTAL
(UG/L)
( 39410)

.00

.00
.00

.00

.00

ATRA- CHLOR-
ZINE. DANE, ODD,
TOTAL TOTAL TOTAL
(UG/L) (UG/L) (UG/L)
(39630) (39350) (39360)

.00 .0 .00

.00 .0 .(JO
.00 .0 .00

.00 .0 .00
.00 .0 .00
.00


HEPTA- MFTH-
CHLOR OXY-
EPOXIDE LINOftNE CHLOH,
TOTAL TOTAL TOTAL
(UG/L) (UG/L) (UG/L)
(394?0) (39340) (39480)

.00 .00 .00

.00 .00 .00
.00 .00 .00

.00 .00 .00

.00 .00 .00


DDE,
TOTAL
(UG/L)
(39365)

.00

.00
.00

.00
.00
"




MIHEX,
TOTAL
(UG/L)
(39755)

.00

.00
.00

.00

.00


DDT,
TOTAL
(UG/L)
(39370)

.00

.00
.00

.00
.00
— —
NAPH-
THA-
LENES,
POLY-
CHLOH.
TOTAL
(UG/L)
(39250)

.00

.00
.00

.00

.00

DI-
ELDRIN
TOTAL
(UG/L)
(39380)

.00

.00
.00

.00
.00
"



PER-
THANE
TOTAL
(UG/L)
(39034)

.00

.00
.00

.00

.00

PROME- PROME- SIME- SIMA- TOX-
TONE TRYNE TRYNE ZINE APHENE, Z,
4-0, 8,4
,5-T SILVEX,
TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL TOTAL
DATE (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(39056) (39057) (39054) (39055) (39400) (39730) (39740) (39760)










NOV , 1979
19...
DEC
06...
18...
JAN , 19HO
15...
MAK
?0...
31...

.0

.0
.0

.0

.0
.0

.0

.0
.0

.0

.0
.0

.0 .0 0

.0 .0 0
.0 .0 0

.0 .0 0

.0 .0 0
.0 .0

.00

.00
.00

.00

.00
—

.00

.00
.00

.00

.00
—

.00

.00
.01

.00

.00
—
                                         56

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                SUPPLEMENTAL DATA G:   DATA FROM ANALYSIS OF BOTTOM MATERIAL AND WATER SAMPLES

          Susquehanna River below Conowingo Dam at Conowingo, Maryland (01579515), November 3, 1979
 DATE
MOV  <
 03...
           TIME
          0900
SPE-
CIFIC
CON-
DUCT-
ANCE
(MICRO-
MHOS)
(00095)




PH

(UNITS)
(00400)




TEMPER-
STURE
(DE6 C)
(00010)

SOLIDS,
RESIDUE
AT 105
DEG. C,
TOTAL
(MG/L)
(00500)
SOLIDS,
VOLA-
TILE IN
BOTTOM
MA-
TERIAL
(MG/KG)
(00*96)

NITRO-
GEN,
NITRATE
TOTAL
(MG/L
AS N)
(00620)
NITRO-
GEN,
NITRATE
DIS-
SOLVED
(MG/L
AS N)
(00618)
NITRO-
GEN,
NITRATE
DIS-
SOLVED
(MG/L
AS N03)
(71B51)

NITRO-
GEN.
NITRITE
TOTAL
(MG/L
AS N)
(00615)
NITRO-
GEN,
NITRITE
DIS-
SOLVED
(MG/L
AS N)
(00613)
                     27?
                              8.3
                                       11.5
                                                 155
                                                         S170
                                                                  1.6
                                                                           1.6
                                                                                    6.9
                                                                                              .03






DATE

NOV ,
03...
NITRO-
GEN,
NITRITE
DIS-
SOLVED
(MG/L
Ab N02)
(71856)
1979
.13

NITRO-
GEN,
N02*N03
TOTAL
(MG/L
AS N)
(00630)

1.6
NITRO-
GEN,
N02»N03
DIS-
SOLVED
(MG/L
AS N)
(00631)

1.6
NITRO-
GEN,
N02*N03
TOT. IN
80T MAT
(MG/KG
AS N)
(00633)

1.6

NITRO-
GEN,
AMMONIA
TOTAL
(MG/L
AS N)
(00610)

.05
NITRO-
GEN,
AMMONIA
DIS-
SOLVED
(MG/L
AS N)
(00608)

.04
NITRO-
GEN, NH4
TOTAL
IN 80T.
MAT.
(MG/KG
AS N)
(00611)

4.7

NITRO-
GEN,
AMMONIA
TOTAL
(MG/L
AS NH4)
(71845)

.06
NITRO-
GEN,
AMMONIA
DIS-
SOLVED
(MG/L
AS NH4)
(71846)

.05

NITRO-
GEN,
ORGANIC
TOTAL
(MG/L
AS N)
(00605)

.67
NITRO-
GEN,
ORGANIC
DIS-
SOLVED
(MG/L
AS N)
(00607)

.27






DATE

NOV ,
03...
NITRO-
GEN, AM-
MUNIA +
ORGANIC
TOTAL
(MG/L
AS N)
(00625)
1979
.72
NITRO-
GEN, NH4
* ORG.
SUSP.
TOTAL
(MG/L
AS N)
(00624)

.41
NITRO-
GEN, AM-
MONIA +
ORGANIC
DIS.
(MG/L
AS N)
(00623)

.31
NITRO-
GEN, NH4
* ORG.
TOT IN
BOT MAT
(MG/KG
AS N)
(00626)

2800


NITRO-
GEN,
TOTAL
(MG/L
AS N)
(00600)

2.3


NITRO-
GEN,
TOTAL
(MG/L
AS N03)
(71B87)

10

NITRO-
GEN,
DIS-
SOLVED
(MG/L
AS N)
(00602)

1.9
NITRO-
GEN, TOT
IN BOT-
TOM MA-
TERIAL
(MG/KG
AS N)
(00603)

2800


PHOS-
PHORUS,
TOTAL
(MG/L
AS P)
(00665)

.03


PHOS-
PHORUS
TOTAL
(MG/L
AS P04)
(71886)

.09

PHOS-
PHORUS,
DIS-
SOLVED
(MG/L
AS P)
(00666)

.03






DATE

NOV ,
03...

PHOS-
PHORUS,
ORTHO.
TOTAL
(MG/L
AS P)
( f0507>
1979
.04
PHOS-
PHORUS,
ORTHO,
DIS-
SOLVED
(MG/L
AS P)
(00671)

.00
PHOS-
PHATE,
ORTHO,
DIS-
SOLVED
(MG/L
AS P04)
(00660)

.00
PHOS-
PHORUS,
TOTAL
IN BOT.
MAT.
(MG/KG
AS P)
(00668)

67
ALUM-
INUM,
TOTAL
RECOV-
ERABLE
(UG/L
AS AL)
(01105)

700
ALUM-
INUM,
SUS-
PENDED
RECOV.
(UG/L
AS AL)
(01107)

100

ALUM-
INUM,
DIS-
SOLVED
(UG/L
AS AL)
(01106)

600
ARSENIC
TOTAL
IN BOT-
TOM MA-
TERIAL
(UG/G
AS AS)
<01003)

0
CADMIUM
HECOV.
FM BOT-
TOM MA-
TERIAL
(UG/G
AS CD)
(01028)

•clO
CHRO-
MIUM,
RECOV.
FM BOT-
TOM MA-
TERIAL
(UG/G)
(01029)

10
C08ALT,
RECOV.
FM BOT-
TOM MA-
TERIAL
(UG/G
AS CO)
(01038)

10
 DATE
COPPER,
KECOV.
FM BOT-
TOM MA-
TERIAL
(UG/G
AS CU)
(01043)

IRON,
TOTAL
RECOV-
ERABLE
(UG/L
AS FE)
(01045)
IRON,
SUS-
PENDED
RECOV-
ERABLE
(UG/L
AS FE)
(01044)


IRON,
DIS-
SOLVED
(UG/L
AS FE)
(01046)
IRON,
RECOV.
FM BOT-
TOM MA-
'TERIAL
(UG/G
AS FE)
(01170)
LEAD,
RECOV.
FM BOT-
TOM MA-
TERIAL
(UG/G
AS P6)
(01052)
MANGA-
NESE,
TOTAL
RECOV-
ERABLE
(UG/L
AS MN)
(01055)
MANGA-
NESE,
SUS-
PENDED
RECOV.
(UG/L
AS MN)
(01054)

MANGA-
NESE,
DIS-
SOLVED
(UG/L
AS MN)
(01056)
MANGA-
NESE.
HECOV.
FM BOT-
TOM MA-
TERIAL
(UG/G)
(01053)
MERCURY
RECOV.
FM BOT-
TOM MA-
TERIAL
(UG/G
AS HG)
(71921)
NOV
 Oi.
      1979
                     420
                              390
                                        30
                                               8700
                                                           10
                                                                   90
                                                                            90
                                                                                              960
                                                                                                       .00
                                                      65

-------
               SUPPLEMENTAL DATA G:  DATA FROM ANALYSIS  OF  BOTTOM MATERIAL AND WATER SAMPLES

   Susquehanna River below Conowingo Dam at  Conowingo, Maryland (01579515), November 3,  1979 --Continued
         /INC.
         wECCW.
        f<: SOT-
                          CARBON,
                 CARBON,
                  INOR-
                                             CARBON.   CAKHON,  CARBON.
                           INOR-
                                    INORG
                                              INOR-
                                              GANIC,   ORGANIC   6ANIC,
          PC8.
         TOTAL
         ALORIN,
          TOTAL



DATE

TOM MA-
IEHIAL
(U&/G
Ab ZN)
(.11093)
CARBON,
TOTAL
(MG/L
AS C)
(00690)
ORGANIC
TOTAL
(MG/L
AS C)
(006dO)
GANIC.
TOTAL
(MG/L
Ab C)
(006S5)
DIS-
SOLVED
(Mlj/L
AS C)
(00691 )
TOT. IN
BOT MAT
(G/KG
Ab C)
(00693)
TOT IN
BOT MAT
(G/KG
AS C)
(00686)
IN BOT-
TOM MA-
TERIAL
(UG/KG)
(39519)
IN BOT-
TOM MA-
TERIAL
(UG/KG)
(39333)
          CHLOR-
          DANE,
          TOTAL
          ODD.
         TOTAL
                                                                                           IN  BOT-   IN BOT-
                                                                                           TOM MA-   TOM MA-
                                                                                            TERIAL    TERIAL
                                                                                           (UG/KG)   (UG/KG)
                                                                                           (39351)   (39363)
      197S<
 OJ...
             90
                     16
                               ^.o
                                                          1.1
          DDE.
         TOTAL
 DDT,
TOTAL
                             01-
                                      01-
                           OZINON,   ELDRIN,   ENDRIN,   ETMION,
                            TOTAL
                                     TOTAL
                                              TOTAL
                                                       TOTAL
                                                                HEPTA-   HtPTA-
CHLOR,
TOTAL
 ChLOR
EPOXIQE
LINDANE
 TOTAL
MALA-
THION,
TOTAL
METH-
OXY-
CHLOW,
        I'-l BOT-   IN BOT-   IN  BOT-   IN  80T-   IN  dOT-  IN HOT-  IN HOT-  TOT. IN   IN ROT-   IN  BOT-   TOT. IN
        TUM MA-   TOM MA-   TOM  MA-   TOM MA-   TOM MA-  TOM MA-  TOM MA-   BOTTOM   TOM MA-   TOM MA-    BOTTOM
         ItRIAL   TERIAL   TERIAL    TERIAL    TERIAL   TERIAL   TERIAL    MATL.   TERIAL    TERIAL     MATL.
 OAIE   (UG/Kfa)   (U6/KG)   (UG/KG)   (UG/KG)   (UG/KG)  (UG/KG)  (UG/KG)  (UG/KG)   (UG/KG)   (UG/KG)   (UG/KG)
        (J9368)   (3^373)   (395H)   (39383)   (39393)  (39J99)  (39413)  (394E3)   (39343)   (39531)   (39481)
NiOV , 1974
 Oi...
                       . r
                                                                              .0
      DATt
Mb THYL
PARA-
THION,
TOT. IN
BOTTOM
MATL.
(UG/KG)
(39601 )
METHYL
TRI-
THION,
TOT. IN
BOTTOM
MATL.
(UG/KG)
(39791 )
PARA-
THION.
TOTAL
IN HOT-
TOM MA-
TERIAL
(UG/KG)
(39S41)
TOXA-
PriENE,
TOTAL
IN BOT-
TOM MA-
TERIAL
(UG/KG)
(39403)
TRI-
THIOM.
TOTAL
IN BOT-
TOM MA-
TERIAL
(UG/KG)
(39787)


-------