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Wacker Chemical Corporation

Plastics Materials And Resins, major discharger, Adrian, Michigan. NPDES permit MI0026034, in force until Oct 1, 2028. Last 12 months: over a limit 2 times (last April 2026), 1 required value missing, 1 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 22 days after each period: form A monthly (134 values), form B monthly (27 values)
Renewal application due
Apr 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 20 required values missing, 3 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
January 2026Chloroform, monthly average1.4< 1 ug/L40%
April 2026Chloroform, monthly average1.1< 1 ug/L10%

Limits in force (176)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Conductivitydaily maximumreport only (umho/cm)all year
Oxygen, dissolved [DO]daily minimum≥ 3 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Oxygen, dissolved [DO]daily minimum≥ 4 mg/LMay–Sep
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 20 lb/dall year
Ozonedaily maximumreport only (ug/L)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 16 lb/dall year
Solids, total suspendeddaily maximum≤ 33 lb/dall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 6.5 mg/LMay–Sep
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 6 lb/dMay–Sep
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Sulfide, dissolved, [as S]monthly average= 26 ug/LApr
Sulfide, dissolved, [as S]monthly average= 22 ug/LJan, Feb, Mar, Dec
Sulfide, dissolved, [as S]monthly average= 24 ug/LOct, Nov
Sulfide, dissolved, [as S]monthly average= 33 ug/LMay–Sep
Sulfide, dissolved, [as S]daily maximum= 44 ug/LApr
Sulfide, dissolved, [as S]daily maximum= 37 ug/LJan, Feb, Mar, Dec
Sulfide, dissolved, [as S]daily maximum= 41 ug/LOct, Nov
Sulfide, dissolved, [as S]daily maximum= 55 ug/LMay–Sep
Sulfide, dissolved, [as S]monthly average= .06 lb/dApr
Sulfide, dissolved, [as S]monthly average= .05 lb/dJan, Feb, Mar, Dec
Sulfide, dissolved, [as S]7-day average= .05 lb/dOct, Nov
Sulfide, dissolved, [as S]monthly average= .07 lb/dMay–Sep
Sulfide, dissolved, [as S]daily maximum= .09 lb/dApr
Sulfide, dissolved, [as S]daily maximum= .08 lb/dJan, Feb, Mar, Dec
Sulfide, dissolved, [as S]daily maximum= .08 lb/dOct, Nov
Sulfide, dissolved, [as S]daily maximum= .11 lb/dMay–Sep
Chloride [as Cl]daily maximumreport only (mg/L)all year
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year
Toxicity, choice of speciesmonthly averagereport only (tox chronic)all year
Toxicity, choice of speciesvaluereport only (tox chronic)all year
Carbon tetrachloridedaily maximumreport only (ug/L)all year
Carbon tetrachloridemonthly average≤ .00237 lb/dall year
Carbon tetrachloridedaily maximum≤ .00634 lb/dall year
1,2-Dichloroethanedaily maximumreport only (ug/L)all year
1,2-Dichloroethanemonthly average≤ .003 lb/dall year
1,2-Dichloroethanedaily maximum≤ .00957 lb/dall year
Chloroformmonthly average< 1 ug/Lall year
Chloroformdaily maximumreport only (ug/L)all year
Chloroformdaily maximum= .00542 lb/dall year
Toluenemonthly average< 1 ug/Lall year
Toluenedaily maximumreport only (ug/L)all year
Toluenedaily maximum≤ .0012 lb/dall year
Benzenemonthly average< 1 ug/Lall year
Benzenedaily maximumreport only (ug/L)all year
Benzenedaily maximum≤ 5 ug/Lall year
Benzenedaily maximum= .00224 lb/dall year
Benzenedaily maximumreport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
Acenaphthylenedaily maximum< 1 ug/Lall year
Acenaphthenedaily maximum< 1 ug/Lall year
Acrylonitrilemonthly average< 1 ug/Lall year
Acrylonitriledaily maximumreport only (ug/L)all year
Acrylonitriledaily maximum≤ .00387 lb/dall year
Anthracenedaily maximum< 1 ug/Lall year
Benzo[k]fluoranthenedaily maximum< 2 ug/Lall year
Benzo[a]pyrenedaily maximum< 2 ug/Lall year
Chlorobenzenedaily maximumreport only (ug/L)all year
Chlorobenzenemonthly average≤ .00237 lb/dall year
Chlorobenzenedaily maximum≤ .00634 lb/dall year
Chrysenedaily maximum< 1 ug/Lall year
Diethyl phthalatedaily maximum< 5 ug/Lall year
Dimethyl phthalatedaily maximum< 5 ug/Lall year
Ethylbenzenedaily maximumreport only (ug/L)all year
Ethylbenzenemonthly average≤ .00237 lb/dall year
Ethylbenzenedaily maximum≤ .00634 lb/dall year
Fluoranthenedaily maximum< 1 ug/Lall year
Fluorenedaily maximum< 1 ug/Lall year
Hexachloroethanemonthly average< 5 ug/Lall year
Hexachloroethanedaily maximumreport only (ug/L)all year
Hexachloroethanedaily maximum≤ .0132 lb/dall year
Methyl chloride [Chloromethane]daily maximum< 5 ug/Lall year
Methylene chloridedaily maximum< 5 ug/Lall year
Nitrobenzenedaily maximumreport only (ug/L)all year
Nitrobenzenemonthly average≤ .03731 lb/dall year
Nitrobenzenedaily maximum≤ .1068 lb/dall year
Phenanthrenedaily maximum< 1 ug/Lall year
Pyrenedaily maximum< 1 ug/Lall year
Tetrachloroethylenedaily maximum< 1 ug/Lall year
1,1-Dichloroethanedaily maximum< 1 ug/Lall year
1,1-Dichloroethylenedaily maximum< 1 ug/Lall year
1,1-Dichloroethylenedaily maximum≤ 5 ug/Lall year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanedaily maximum< 1 ug/Lall year
1,1,1-Trichloroethanedaily maximum= 5 ug/Lall year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2-Trichloroethanemonthly average< 1 ug/Lall year
1,1,2-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2-Trichloroethanedaily maximum≤ .00212 lb/dall year
Benzo[a]anthracenedaily maximum< 1 ug/Lall year
1,2-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,2-Dichlorobenzenemonthly average≤ .00327 lb/dall year
1,2-Dichlorobenzenedaily maximum≤ .0132 lb/dall year
1,2-Dichloropropanedaily maximumreport only (ug/L)all year
1,2-Dichloropropanemonthly average≤ .00327 lb/dall year
1,2-Dichloropropanedaily maximum≤ .0132 lb/dall year
trans-1,2-Dichloroethylenedaily maximum< 1 ug/Lall year
trans-1,2-Dichloroethylenedaily maximum≤ 5 ug/Lall year
trans-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
trans-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
1,2,4-Trichlorobenzenemonthly average< 5 ug/Lall year
1,2,4-Trichlorobenzenedaily maximumreport only (ug/L)all year
1,2,4-Trichlorobenzenedaily maximum≤ .0132 lb/dall year
1,3-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,3-Dichlorobenzenemonthly average≤ .00237 lb/dall year
1,3-Dichlorobenzenedaily maximum≤ .00634 lb/dall year
1,4-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,4-Dichlorobenzenemonthly average≤ .00237 lb/dall year
1,4-Dichlorobenzenedaily maximum≤ .00634 lb/dall year
2-Nitrophenoldaily maximum< 10 ug/Lall year
2,4-Dimethylphenoldaily maximum< 10 ug/Lall year
2,4-Dinitrophenolmonthly average< 19 ug/Lall year
2,4-Dinitrophenoldaily maximumreport only (ug/L)all year
2,4-Dinitrophenoldaily maximum≤ .07157 lb/dall year
4-Nitrophenoldaily maximum< 50 ug/Lall year
4,6-Dinitro-o-cresoldaily maximum< 50 ug/Lall year
Naphthalenedaily maximum< 5 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum< 5 ug/Lall year
Di-n-butyl phthalatedaily maximum< 9 ug/Lall year
Vinyl chloridemonthly average< 1 ug/Lall year
Vinyl chloridedaily maximum≤ 3 ug/Lall year
Vinyl chloridedaily maximumreport only (ug/L)all year
Vinyl chloridedaily maximum≤ .00287 lb/dall year
Vinyl chloridedaily maximumreport only (ug/L)all year
Vinyl chloridedaily maximumreport only (ug/L)all year
Trichloroethylenedaily maximum< 1 ug/Lall year
Dieldrinmonthly average< .01 ug/Lall year
Dieldrindaily maximumreport only (ug/L)all year
Dieldrinmonthly averagereport only (lb/d)all year
Dieldrindaily maximumreport only (lb/d)all year
Hexachlorobenzenedaily maximum< .01 ug/Lall year
Hexachlorobutadienedaily maximumreport only (ug/L)all year
Hexachlorobutadienemonthly average≤ .0001 lb/dall year
Hexachlorobutadienedaily maximum≤ .00634 lb/dall year
Phenolsdaily maximum< 10 ug/Lall year
Equipment inspection - visualvaluereport only (N=0;Y=1)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 38 ug/Lall year
1,3-Dichloropropylenedaily maximumreport only (ug/L)all year
1,3-Dichloropropylenemonthly average≤ .0023 lb/dall year
1,3-Dichloropropylenedaily maximum≤ .0132 lb/dall year
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
Tetrachloroethenedaily maximum≤ 5 ug/Lall year
Tetrachloroethenedaily maximumreport only (ug/L)all year
Tetrachloroethenedaily maximumreport only (ug/L)all year
Trichloroethenedaily maximum≤ 5 ug/Lall year
Trichloroethenedaily maximumreport only (ug/L)all year
Trichloroethenedaily maximumreport only (ug/L)all year
3,4-Benzofluoranthenedaily maximum< 2 ug/Lall year
cis-1,2-Dichloroethenedaily maximum≤ 5 ug/Lall year
cis-1,2-Dichloroethenedaily maximumreport only (ug/L)all year
cis-1,2-Dichloroethenedaily maximumreport only (ug/L)all year
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year
Chloroethanedaily maximum< 5 ug/Lall year
TU Static 24 Hr Acute Pimephales promelasdaily maximumreport only (tox acute)all year
Static 48 Hr Chronic Pimphales Promelasmonthly averagereport only (tox chronic)all year
Static 48 Hr Chronic Pimphales Promelasvaluereport only (tox chronic)all year

How strict are these limits?

Cited limits by parameter: Michigan's rules and the federal ones.

Same industry: the 13 Chemicals and Allied Products permits in Michigan.

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