Wacker Chemical Corporation

NPDES permit MI0026034 · Major NON-POTW · effective, expires 2028-10-01 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
1required values missing, on 1 form(s)
1of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chloroform (2).

Reporting

Reports are due about 22 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (176)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001ConductivityDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 3 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Oxygen, dissolved [DO]DAILY MN >= 4 mg/L May, Jun, Jul, Aug, Sep
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 10 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 20 lb/d all year
001OzoneDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 16 lb/d all year
001Solids, total suspendedDAILY MX <= 33 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 6.5 mg/L May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 6 lb/d May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only all year
001Sulfide, dissolved, [as S]MO AVG = 26 ug/L Apr
001Sulfide, dissolved, [as S]MO AVG = 22 ug/L Jan, Feb, Mar, Dec
001Sulfide, dissolved, [as S]MO AVG = 24 ug/L Oct, Nov
001Sulfide, dissolved, [as S]MO AVG = 33 ug/L May, Jun, Jul, Aug, Sep
001Sulfide, dissolved, [as S]DAILY MX = 44 ug/L Apr
001Sulfide, dissolved, [as S]DAILY MX = 37 ug/L Jan, Feb, Mar, Dec
001Sulfide, dissolved, [as S]DAILY MX = 41 ug/L Oct, Nov
001Sulfide, dissolved, [as S]DAILY MX = 55 ug/L May, Jun, Jul, Aug, Sep
001Sulfide, dissolved, [as S]MO AVG = .06 lb/d Apr
001Sulfide, dissolved, [as S]MO AVG = .05 lb/d Jan, Feb, Mar, Dec
001Sulfide, dissolved, [as S]7 DA AVG = .05 lb/d Oct, Nov
001Sulfide, dissolved, [as S]MO AVG = .07 lb/d May, Jun, Jul, Aug, Sep
001Sulfide, dissolved, [as S]DAILY MX = .09 lb/d Apr
001Sulfide, dissolved, [as S]DAILY MX = .08 lb/d Jan, Feb, Mar, Dec
001Sulfide, dissolved, [as S]DAILY MX = .08 lb/d Oct, Nov
001Sulfide, dissolved, [as S]DAILY MX = .11 lb/d May, Jun, Jul, Aug, Sep
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Toxicity, choice of speciesMO AVG report only all year
001Toxicity, choice of speciesVALUE report only all year
001Carbon tetrachlorideDAILY MX report only all year
001Carbon tetrachlorideMO AVG <= .00237 lb/d all year
001Carbon tetrachlorideDAILY MX <= .00634 lb/d all year
0011,2-DichloroethaneDAILY MX report only all year
0011,2-DichloroethaneMO AVG <= .003 lb/d all year
0011,2-DichloroethaneDAILY MX <= .00957 lb/d all year
001ChloroformMO AVG < 1 ug/L all year
001ChloroformDAILY MX report only all year
001ChloroformDAILY MX = .00542 lb/d all year
001TolueneMO AVG < 1 ug/L all year
001TolueneDAILY MX report only all year
001TolueneDAILY MX <= .0012 lb/d all year
001BenzeneMO AVG < 1 ug/L all year
001BenzeneDAILY MX report only all year
001BenzeneDAILY MX <= 5 ug/L all year
001BenzeneDAILY MX = .00224 lb/d all year
001BenzeneDAILY MX report only all year
001BenzeneDAILY MX report only all year
001AcenaphthyleneDAILY MX < 1 ug/L all year
001AcenaphtheneDAILY MX < 1 ug/L all year
001AcrylonitrileMO AVG < 1 ug/L all year
001AcrylonitrileDAILY MX report only all year
001AcrylonitrileDAILY MX <= .00387 lb/d all year
001AnthraceneDAILY MX < 1 ug/L all year
001Benzo[k]fluorantheneDAILY MX < 2 ug/L all year
001Benzo[a]pyreneDAILY MX < 2 ug/L all year
001ChlorobenzeneDAILY MX report only all year
001ChlorobenzeneMO AVG <= .00237 lb/d all year
001ChlorobenzeneDAILY MX <= .00634 lb/d all year
001ChryseneDAILY MX < 1 ug/L all year
001Diethyl phthalateDAILY MX < 5 ug/L all year
001Dimethyl phthalateDAILY MX < 5 ug/L all year
001EthylbenzeneDAILY MX report only all year
001EthylbenzeneMO AVG <= .00237 lb/d all year
001EthylbenzeneDAILY MX <= .00634 lb/d all year
001FluorantheneDAILY MX < 1 ug/L all year
001FluoreneDAILY MX < 1 ug/L all year
001HexachloroethaneMO AVG < 5 ug/L all year
001HexachloroethaneDAILY MX report only all year
001HexachloroethaneDAILY MX <= .0132 lb/d all year
001Methyl chloride [Chloromethane]DAILY MX < 5 ug/L all year
001Methylene chlorideDAILY MX < 5 ug/L all year
001NitrobenzeneDAILY MX report only all year
001NitrobenzeneMO AVG <= .03731 lb/d all year
001NitrobenzeneDAILY MX <= .1068 lb/d all year
001PhenanthreneDAILY MX < 1 ug/L all year
001PyreneDAILY MX < 1 ug/L all year
001TetrachloroethyleneDAILY MX < 1 ug/L all year
0011,1-DichloroethaneDAILY MX < 1 ug/L all year
0011,1-DichloroethyleneDAILY MX < 1 ug/L all year
0011,1-DichloroethyleneDAILY MX <= 5 ug/L all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1,1-TrichloroethaneDAILY MX < 1 ug/L all year
0011,1,1-TrichloroethaneDAILY MX = 5 ug/L all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneMO AVG < 1 ug/L all year
0011,1,2-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneDAILY MX <= .00212 lb/d all year
001Benzo[a]anthraceneDAILY MX < 1 ug/L all year
0011,2-DichlorobenzeneDAILY MX report only all year
0011,2-DichlorobenzeneMO AVG <= .00327 lb/d all year
0011,2-DichlorobenzeneDAILY MX <= .0132 lb/d all year
0011,2-DichloropropaneDAILY MX report only all year
0011,2-DichloropropaneMO AVG <= .00327 lb/d all year
0011,2-DichloropropaneDAILY MX <= .0132 lb/d all year
001trans-1,2-DichloroethyleneDAILY MX < 1 ug/L all year
001trans-1,2-DichloroethyleneDAILY MX <= 5 ug/L all year
001trans-1,2-DichloroethyleneDAILY MX report only all year
001trans-1,2-DichloroethyleneDAILY MX report only all year
0011,2,4-TrichlorobenzeneMO AVG < 5 ug/L all year
0011,2,4-TrichlorobenzeneDAILY MX report only all year
0011,2,4-TrichlorobenzeneDAILY MX <= .0132 lb/d all year
0011,3-DichlorobenzeneDAILY MX report only all year
0011,3-DichlorobenzeneMO AVG <= .00237 lb/d all year
0011,3-DichlorobenzeneDAILY MX <= .00634 lb/d all year
0011,4-DichlorobenzeneDAILY MX report only all year
0011,4-DichlorobenzeneMO AVG <= .00237 lb/d all year
0011,4-DichlorobenzeneDAILY MX <= .00634 lb/d all year
0012-NitrophenolDAILY MX < 10 ug/L all year
0012,4-DimethylphenolDAILY MX < 10 ug/L all year
0012,4-DinitrophenolMO AVG < 19 ug/L all year
0012,4-DinitrophenolDAILY MX report only all year
0012,4-DinitrophenolDAILY MX <= .07157 lb/d all year
0014-NitrophenolDAILY MX < 50 ug/L all year
0014,6-Dinitro-o-cresolDAILY MX < 50 ug/L all year
001NaphthaleneDAILY MX < 5 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX < 5 ug/L all year
001Di-n-butyl phthalateDAILY MX < 9 ug/L all year
001Vinyl chlorideMO AVG < 1 ug/L all year
001Vinyl chlorideDAILY MX <= 3 ug/L all year
001Vinyl chlorideDAILY MX report only all year
001Vinyl chlorideDAILY MX <= .00287 lb/d all year
001Vinyl chlorideDAILY MX report only all year
001Vinyl chlorideDAILY MX report only all year
001TrichloroethyleneDAILY MX < 1 ug/L all year
001DieldrinMO AVG < .01 ug/L all year
001DieldrinDAILY MX report only all year
001DieldrinMO AVG report only all year
001DieldrinDAILY MX report only all year
001HexachlorobenzeneDAILY MX < .01 ug/L all year
001HexachlorobutadieneDAILY MX report only all year
001HexachlorobutadieneMO AVG <= .0001 lb/d all year
001HexachlorobutadieneDAILY MX <= .00634 lb/d all year
001PhenolsDAILY MX < 10 ug/L all year
001Equipment inspection - visualVALUE report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 38 ug/L all year
0011,3-DichloropropyleneDAILY MX report only all year
0011,3-DichloropropyleneMO AVG <= .0023 lb/d all year
0011,3-DichloropropyleneDAILY MX <= .0132 lb/d all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL all year
001TetrachloroetheneDAILY MX <= 5 ug/L all year
001TetrachloroetheneDAILY MX report only all year
001TetrachloroetheneDAILY MX report only all year
001TrichloroetheneDAILY MX <= 5 ug/L all year
001TrichloroetheneDAILY MX report only all year
001TrichloroetheneDAILY MX report only all year
0013,4-BenzofluorantheneDAILY MX < 2 ug/L all year
001cis-1,2-DichloroetheneDAILY MX <= 5 ug/L all year
001cis-1,2-DichloroetheneDAILY MX report only all year
001cis-1,2-DichloroetheneDAILY MX report only all year
001Outfall observation,visual, y/n responseVALUE report only all year
001ChloroethaneDAILY MX < 5 ug/L all year
001TU Static 24 Hr Acute Pimephales promelasDAILY MX report only all year
001Static 48 Hr Chronic Pimphales PromelasMO AVG report only all year
001Static 48 Hr Chronic Pimphales PromelasVALUE report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states