\ N
                   FY 1983 STATUS REPORT
          The Notional Public Water System Program
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           Prepared by
    The Office of Drinking Water
U.S.Envinonmental Protection Agency
            April 1984

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                         FEDFRAL REGULATORY REQUIREMENT
             A TOTAL OF 57 STATES OR TERRITORIES ARE ACCOUNTABLE UNITS UNDER
        THE FEDERAL DRINKING WATER PROGRAM:

             0 52 STATES HAVE PRIMARY ENFORCEMENT RESPONSIBILITY (PRIMACY)
             0  5 PROGRAMS ARE BEING ADMINISTEREP BY EPA REGIONAL OFFICES
               (REGIONAL PRIMACY).
MCL'S
MAXIMUM CONTAMINANT LEVELS (MCL's) FOR MICROBIOLOGICAL CONTAMINANTS,,
TURBIDITY, AND CHEMICAL CONTAMINANTS INCLUDE OVER TWENTY SPECIFIC
CHEMICAL,  RADIOLOGICAL ELEMENTS OR ORGANISMS WHICH ARE UNDESIRABLE
IN DRINKING WATER.
M/R
IN ORDER TO ENSURE THAT DRINKING WATER IS SAFE, THERE IS REQUIRED
MONITORING AND REPORTING (M/R) FOR EACH OF THESE MCL's AT A SPECI-
FIED FREQUENCY ACCORDING TO THE CHARACTERISTICS OF THE PUBLIC WATER
SYSTEM (PWS).
FRDS
ON AN ANNUAL BASIS, THE STATES AND EPA REGIONAL OFFICES ARE
REQUIRED TO FORWARD TO FPA's OFFICE OF DRINKING WATER STATUS
REPORTS WHICH INDICATE HOW SUCCESSFULLY REGULATORY REQUIREMENTS
WERE MET- THESE DATA ARE STORED IN THE FEDERAL REPORTING DATA
SYSTEM.

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                      PUBLIC  WATER SUPPLY  IN  U.S.
    THERE ARE  APPROXIMATELY 216,800 WATER  SYSTEMS  UNDER FEDERAL
JURISDICTION-

        0 OF THESE.,  277- (58,700)  SERVE  PRIMARILY RESIDENTIAL
          SERVICE AREAS (COMMUNITY WATER SYSTEMS)  AND 737 SERVE
          PRIMARILY  TRANSIENTS (NoN-COMMUNITY WATER SYSTEMS).

        0 OF THE COMMUNITY PUBLIC WATER SYSTEMS,
               - SURFACE WATER IS THE PRIMARY SOURCE OF 18.8*  OF
                 THE SYSTEMS,  AND SERVES 65.67 OF  THE POPULATION;
               - GROUND WATER  SERVES 81.27, OF THE  SYSTEMS AND
                 3*M7 OF THE  POPULATION.

        0 OF THE NON-COMMUNITY SYSTEMS  967 ARE SERVED BY GROUND-
          WATER SOURCES.
                               - 2

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Public Water Supply in  Nation
            FY1983
      Total
     216,800
                         Community
                       58.700(27.1%)
                       Non-community
                       158.100(72.9%)
PWS
                                               surface water
                                               11,000(18.8%)
ground water
47,700(81.2%)
                                                surface water
                                                 6.300(4%)
                                                ground water
                                                 151800(96%)
population served
                     surface water (65.6%)
ground water (344%)

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                                SYSTEM Sf/F CATFGORIFS
                        SIZF
                     VFRY SMAI.I

                       SMA1.I.

                      MFJHUM
                       LARGF

                     VFRY LARGF
POPULATION SFRVFn


    25 - 500

   501 - 3,300

 3,301 ~ 10,000

10,001 - 100,000

GREATER THAN 100,000
NOTE:   FOR PURPOSES OF THIS ANALYSIS, THE SYSTEMS ARE DIVIDED INTO FIVE
       SIZE CATEGORIES.   THE BREAK AT 3,300 IS BASED ON THE REQUIREMENT FOR
       MICROBIOLOGICAL MONITORING " SYSTEMS SAMPLE MONTHLY AND DETERMINE
       COMPLIANCE QUARTERLY, BASED ON THREE MONTHS OF SAMPLING (STATES MAY
       REQUIRE BOTH MONTHLY MONITORING AND COMPLIANCE DETERMINATION).

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                  SIZE DISTRIBUTION OF CWS'S
    OF THE 58,700 COMMUNITY SYSTFHS,
         0 64. 4T OF THE SYSTEMS SERVE LESS THAN 2*67 OF THE
           POPULATION;
0 ABOUT 0.5% OF THE SYSTEMS SERVE MORE THAN
  THE POPULATION.
                                                         OF
    AS WE HAVE REALIZED FROM THE BEGINNING, THERE ARE SIGNIFICANT
NUMBERS OF SMALL AND VERY SMALL SYSTEMS, AND THE PROBLEMS
EXPERIENCED BY THESE PLACE A REAL DEMAND ON THE RESOURCES
OF THE PRIMACY AGENTS.
                             - 5 -

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          Size Distribution of CWS's
                   FY 1983
Percent Distribution
 Sizt Category

Numbtrof
                                               CO Numb«r *f CWS'»
    37,813   13,915  3,943   ^770    277      5a,718CTo*a|)
                                                                                      - 6 -

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                               TYPF OF Vim ATIONS
             PERSISTENT :


           IHTFRMITTFNT :
L* OR MORE MONTHS IN VIOLATION OR MORE THAN
1 QUARTER IN VIOLATION:

3 OR FEWER MONTHS IN VIOLATION OR
1 QUARTER IN VIOLATION.
NOTE:   THIS ANALYSIS PRESENTS VIOLATIONS  IN TERMS  OF  DURATION-
       WE ARE MORE CONCERNED WITH PERSISTENT VIOLATORS  — 4 OR
       MORE MONTHS,  OR MORE THAN 1  QUARTER, AND WE ARE  DIFFER-
       ENTIATING BETWEEN SYSTEMS WITH RECURRING OR CHRONIC VIOLATIONS
       AND SYSTEMS WITH INTERMITTENT OR SHORT-TERM VIOLATIONS-

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                       NATIONAL MICROBIOLOGICAL  COMPLIANCE
     VERIFICATION OF THE REPORTS SUBMITTED BY THE  STATES HAS BEEN OCCURRING
FOR THE LAST TWO YEARS.   THE VERIFICATION EFFORT HAS HELPED THE STATES TO
IMPROVE THEIR DATA MANAGEMENT SYSTEMS AND TO IMPROVE THE QUALITY OF THE
REPORTS.  THE IMPROVED REPORTING HAS RESULTED IK AN APPARENT INCREASE IN
VIOLATION RATES; THIS MAY NOT HAVE BEEN AN INCREASE IN ACTUAL VIOLATIONS BUT
ONLY AN INCREASE IN REPORTED VIOLATIONS-

     IN FY 1981, 70.2% OF THE SYSTEMS WERE REPORTED IN COMPLIANCE; 19.8% WERE
INTERMITTENT VIOLATORS AND 10-0% WERE PERSISTENT VIOLATORS-

     IN FY 1982, 69-9% OF THE SYSTEMS WERE REPORTED IN COMPLIANCE; 20-3% WERE
INTERMITTENT VIOLATORS AND 9-8% WERE PERSISTENT VIOLATORS-

     IN FY. 1983, 70.7% OF THE SYSTEMS WERE REPORTED IN COMPLIANCE; 20.5% WERE
INTERMITTENT VIOLATORS AND 8-8% WERE PERSISTENT VIOLATORS.
                                     - 8 -

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Notional Microbiological Compliance
MCL&M/fc
FY1981-FY1983
                 KZl Intermittent
                  Full Compflanof
      FY19B1
FY1982
FY1983
                            9.8%
                       8.8%
                      - 9 -

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                  NATIONAL MICROBIOLOGICAL MCL COMPLIANCF
      IN FY 1981, 91.57 OF THE SYSTEMS REPORTEDLY MET THE MCL REQUIREMENTS;
7»6 Z WERE INTERMITTENT VIOLATORS OF THE MCL AND 0-9 % WERE PERSISTENT
VIOLATORS OF THE MCL-

      IN FY 1982, 90.1? OF THE SYSTEMS MET THE MCL REQUIREMENTS; 8.6* WERE
INTERMITTENT VIOLATORS OF THE MCL AND 1•3% WERE PERSISTENT VIOLATORS OF THE
MCL.

      IN FY 1983, 901 OF THE SYSTEMS MET THE MCL REQUIREMENTS; 8.6? WERE
INTERMITTENT VIOLATORS OF THE MCL AND 1-4% WERE PERSISTENT VIOLATORS OF THE
MCL.
                                - 10 -

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Notional Microbiological Compliance
Ma
FY1981-FY1983
                Bi Pmtetont
                E3 Full Compflanc*
      FY19B1
FY19B2
FY1983
                      - 11 -

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                  NATIONAL MICROBIOLOGICAL MONITORING COMPLIANCE
     IN FY 1981, 75-4% OF THE SYSTEMS REPORTEDLY MET ALL THE M/R REQUIREMENTS;
16.3% WERE INTERMITTENT VIOLATORS AND 8-3% WERE PERSISTENT VIOLATORS-

     IN FY 1982, 75.6% OF THE SYSTEMS REPORTEDLY MET ALL THE M/R REQUIREMENTS;
16.8% WERE INTERMITTENT VIOLATORS AND 7-6% WERE PERSISTENT VIOLATORS-

     IN FY 1983, 76.6% OF THE SYSTEMS REPORTEDLY MET ALL THE MONITORING
AND REPORTING REQUIREMENTS.
           ° 6.8% OF THE SYSTEMS WERE PERSISTENT VIOLATORS;
           ° 16.6% OF THE SYSTEMS WERE INTERMITTENT VIOLATORS.
                                       - 12 -

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NoHonal Microbiological Compliance
Monitoring (M/ft)
FY1981-FY1983
                 E23 Intermittent
                 CS Pwslitent
                 KS Full Compliance
      FY19B1
FY19B2
            6.3%
FY1983
                         6.8%
                        - 13 -

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                        NATIONAL TURBIDITY COMPLIANCE
     IN FY 1981, 86-1% OF THE SURFACE SYSTEMS REPORTEDLY MET THE REQUIREMENTS.
6.97 WERE INTERMITTENT VIOLATORS AND 7-0% WERE PERSISTENT VIOLATORS-

     IN FY 1982, 83.7% OF THE SURFACE SYSTEMS MET THE REQUIREMENTS. 4.77 WERE
INTERMITTENT VIOLATORS AND ll.fi% WERE PERSISTENT VIOLATORS.

     IN FY 1983, 89.5% OF THE SURFACE SYSTEMS MET THE REQUIREMENTS. 6-J% WERE
INTERMITTENT VIOLATORS AND 4-4% WERE PERSISTENT VIOLATORS-
                                - 14

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National Turbidity Compliance
FY1981-FY1983
                  In !• militant
                  ^^M^I^4iM4bA
                  rvrwvrvfn
                  full Cempn«nc«
      FY1981
FY1982
nrwas
                      - 15 -

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                      NATIONAL TURBIDITY MCL COMPLIANCE
     IN FY 1981, 95.IT OF THE SYSTEMS REPORTEDLY MET THE MCL REQUIREMENTS;
3«1Z OF THE SYSTEMS WERE INTERMITTENT VIOLATORS AND 1«8/K WERE PERSISTENT VIOLATORS

     IN FY 1982, 96.H* OF THE SYSTEMS REPORTEDLY MET THF MCL REQUIREMENT;  2-21 OF
THE SYSTEMS WERE INTERMITTENT VIOLATORS; AND  L4* OF THE SYSTEMS WERE PERSISTENT
VIOLATORS.

     IN FY 1983, 97X OF THE SYSTEMS REPORTFDLY MET THE MCL REQUIREMENTS.

               0 LIT OF THE SYSTEMS WERE INTERMITTENT VIOLATORS;
               0 L9Z OF THE SYSTEMS WERE PERSISTENT VIOLATORS-
                                        16 -

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National Turbidity Compliance
MCL
FY1981-FY1983
                full CompManec
      1981
1982
1983
                     - 17 -

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                      NATIONAL TURBIDITY MONITORING COMPLIANCE
     IN FY 1981, 89-85! OF THE SYSTEMS REPORTEDLY MET THE M/R REQUIREMENTS;
4.9% OF THE SYSTEMS WERE INTERMITTENT VIOLATORS AND 5•37 WERE PERSISTENT VIOLATORS

     IN FY 1982, 8fi.3% OF THE SYSTEMS REPORTEDLY MET THE M/R REQUIREMENT;  3-52  OF
THE SYSTEMS WERE INTERMITTENT VIOLATORS; AND 10.2% OF THE SYSTEMS WERE PERSISTENT
VIOLATORS.

     IN FY 1983, 91.9? OF THE SYSTEMS REPORTEDLY MET THE M/R REQUIREMENTS.
               0 3«1% OF THE SYSTEMS WERE INTERMITTENT VIOLATORS;
               ° 5.0? OF THE SYSTEMS WERE PERSISTENT VIOLATORS.
                                    - 18 -

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