&EFA
United States
Environmental Protection
Agency
Office of Water
Regulations and Standards
Washington, DC 20460
'EPA 440/5-88-057
September 1388
State Water Quality
Standards Summary:
Michigan
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DISCLAIMER
the s EnvronJ^p PfePfred by Battell* "nder contract to
Additional information may also be obtained from the:
Standards Branch
Criteria and Standards Division (WH-585)
Office of Water Regulations and Standards
U.S. Environmental Protection Agency
Washington, D.C. 20460
202-475-7315
This document may be obtained only from the National Technical
Information Service (NTIS) at the following address:
National Technical Information Service
5285 Front Royal Road
Springfield, Virginia 22161
703-487-4650
The NTIS order number is: PB89-141899
*
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MICHIGAN
Responsible Agency:
Hater Resourer Commission
Department of~Mitural Resources
Box 30028
Lansing
517-373-0928
48909
State Contact:
Richard Powers
Chief
Great Lakes t Env. Assessment Section
Michigan Dept. of Natural Resources
P.O. Box 30028
Lansing 48909 517-335-4121
State
Steve
Contact:
Buda
Standards Available From:
Richard Powers, Chief
Great Lakes & Env. Assessment Section
Dept. of Natural Resource Hater Quality
Box 30028
Lansing 48909
517-373-0928 Fee: no Hailing List: yes
State Narrative Language For: Antidegradation
1. Rule 98 applies to waters of the state in which the existing water quality is better than the water
quality standards prescribed by these rules or than needed to protect existing uses
2. These waters shall not be lowered in quality by action of the commission (Michigan Hater Resources Comm-
s ion) unless it is determined by the commission that such lowering will not do an f e fo Li fl
(a) Become injurious to the public health, safety, or welfare. fo"o"ina.
Hater Quality Studies/ N.Q. Appraisal
Dept. of Natural Resource Hater Quality
P.O. Box 30028
48909 517-373-2867
(c) Become injurious to the value or utility of riparian lands.
"Ud
(e) Destroy or impair the value of game, fish, and wildlife.
(f) Be unreasonable and against the public interest in view of the existing conditions.
L rl r ° thf requi"ients of subru!e (2) °f "is rule, specified protected waters shall not be
cl «?: I V f55' Sfter Opportunit* for P"blic ""ring, it has been demonstrated by the app i nt to
L t I' a' 9 " Tlity "1U "Ot b6 unreasonable. " " tta Public interest in v ew o
no 'UHP !M "^eSSary t0 acco"odate "?°r^ «*™ " "onomic development, and that there are
no prudent and feasible alternatives to lowering water quality.
04; n!i!Lr!versvdesi9na!ed f r,the "ild and scenic rivers act °f i968' rivers n°^ M°
t o bL^^f 7r > rt :nd "ilderness rivers designated under Act N°- °
Acts of 1970, being 281.761 et seq of the Hicfugan Compiled laws shall not be lowered in quality.
State Narrative Language For: Toxics
in *!* "aters °f the state at ieveis "hich *re °r -y be"
AH b , f PUnt 3nd aniial Iifei °r the desi9nated uses of th«e waters.
A lowable live s of toxic substances shall be determined by the commission using appropriate scientific data
ar sr."1!- aMIy,for pu:poses of deveiopin9 aii°Mabie ieveis °f ^^^ - S L «.
I L? "; I ftnt/DurCE dischar9e >erfiits issu^ Purw-t to Act No. 245 of the Public
S rrf I7l , ' D ^ 6t Seq< °f the Mkhi9an C°ipiled l™' (See Hicni9an «ater Qu'lity
Standards Rule 57 Section R 323.1057 in BNA Environment Reporter for these provisions.)
State Narrative Language For: Free From
InH^M5 0V!!e StatS 'I!3!1 "Ot "ntain Unnatural turbiditV. "lor, oil films, floating solids, foams,
settleable solids, suspended solids, or deposits in quantities which are or may become injurious to any
designated use.
State Narrative Language For: Low Flow
Hater quality standards shall apply at all flows equal to or exceeding the design flow. The design flow is
equal .to the most restrictive of the 12 monthly 95: exceedance flows, except where the commission determines
MI-1
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MICHIGAN
that a lore restrictive design flow is necessary or where the cowission deter.ines that seasonal desiqn flows
tile for"™* PUrSU8nt t0 R 323<109°(4)> ThL> 9" ex"edan« ««* « the flow equal to or exceeded 95Z of the
State Narrative Language For: Mixing Zones
1. Exposure in .ixing zones shall not cause an irreversible response which results in deleterious effects to
a^llic Hfelhin^rbVexc'eeV1^ "" "ildUfB' ** * """"* restriction' the final acuteJIlue f"
can be dnonstrated to the craussion that a higher concentration is acceptable! Th^S^ne sSl^t
prevent the passage of fish or fish food organis.s in a .anner which would result in a .acts Sir
mediate nr fiitnra nnnniifjnn... u,*-, ... _ auverse upacis on tneir
£cta ll " '? UH6 P°P"latiQns-; "•tercourw or portions thereof .hich, without 1 or 0 Q r
discharge, muld have flon except during periods of surface runoff ,ay be considered as a .ixing lone for a
dPn!!iLOUrCViSChar9ei The ar" °f iiXi"9 Z°neS Sh°Uld be iinili2ed- To this end' Devices ?r . i
dilution, and dispersion are encouraged where practicable. """
2, For toxic substances, not .ore than 25X of the receiving water design flow, as stated in R 323.1090, shall
o c« i t ' unless
to the co.aission that the use of a larger volu.e is acceptable.
3. For substances not included in subrule (1) of this rule, the design flow, as stated in R 323.1090, shall
e utilized when deter.ining effluent li.itations for surface water discharges if the provisions in subVult
(1) of this rule are .et, unless the cowission deteriines that a .ore restrictive volu.e is necessary.
4. For all substances, defined nixing zone boundaries .ay be established and shall be determined on a case-
uy™C3SG 035 IS i
5. Nixing zones in the Great Lakes, their connecting waters, and inland lakes shall, be deter.ined on a case-
Oy**C35c 0351S*
MI-2
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MICHIGAN
Classifications;
Agricultural- Uses
Navigation
Industrial Mater
Supply
Public Water Supply
at the Point of
Water Intake
tfarmter Fish
Other Indigenous
Aquatic Life 4
Wildlife
Partial Body Contact
Recreation
MI-3
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MICHIGAN
Physical
PH
Upper Value
Lower Value
Dissolved Oxygen
Loner Value
Teiperature
Upper Value
Teiperature Change
Upper Value
Turbidity
Upper Value
Total Dissolved Solids
Upper Value
Nutrients
Phosphorus
Upper Value
Toxic Metals
Pesticides
Organics
Bacteria
Fecal Colifon
Upper Value
All
Classes
9.0
6.S
Narr.
Narr.
Narr.
Narr.
750 ig/L
1 ig/L
Agricultural Us.. Navigation
Industrial Hate.
Narr.
•
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MICHIGAN
Physical
Chlorides
Upper Value
Nutrients
Toxic Metals
Pesticides
Organics
Bacteria
Public Water Su.. Harmtter Fish Other Indigenou.. Partial Body Co.
125 ig/L ave.
MI-5
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