Clean Water Act discharge permit · NPDES MI0026034
WACKER CHEM CORP, Adrian, MI: NPDES MI0026034 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 76Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WACKER CHEM CORP, held by Wacker Chemical Corporation, holds NPDES permit MI0026034. EPA’s file records it issued September 15, 2017 and expiring October 1, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WACKER CHEM CORP |
|---|---|
| Permittee as filed | Wacker Chemical Corporation |
| NPDES ID | MI0026034 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 15, 2017 |
| Expiration date | October 1, 2022 |
| Issuing agency | State |
| Address | Adrian, MI 49221 |
| Subwatershed | Floodwood Creek-River Raisin (HUC 041000020307) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 82Pollutants on file
- 76Under a numeric limit
- 38With a violation of any kind
- 7With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 82 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 75 | 7 | July 31, 2013 | 207% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 0 | 74 | 6 | July 31, 2015 | 100% over the limit |
| Solids, total suspended | 4 | 81 | 5 | July 31, 2011 | 25% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 42 | 4 | September 30, 2022 | 236% over the limit |
| Chloroform | 4 | 3 | 3 | April 30, 2026 | 40% over the limit |
| Chlorine, total residual | 1 | 2 | 2 | April 30, 2019 | 584% over the limit |
| Coliform, fecal general | 2 | 37 | 1 | April 30, 2015 | 5% over the limit |
| Ethylbenzene | 4 | 256 | 0 | ||
| cis-1,2-Dichloroethene | 2 | 130 | 0 | ||
| trans-1,2-Dichloroethylene | 6 | 102 | 0 | ||
| 4,6-Dinitro-o-cresol | 4 | 96 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 88 | 0 | ||
| pH | 2 | 85 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 43 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 43 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 32 | 0 | ||
| Solids, total dissolved | 1 | 32 | 0 | ||
| Ethylbenzene | 4 | 28 | 0 | ||
| Equipment inspection - visual | 1 | 24 | 0 | ||
| Sulfate | 1 | 24 | 0 | ||
| Trichloroethene | 6 | 23 | 0 | ||
| Benzene | 10 | 22 | 0 | ||
| Tetrachloroethene | 6 | 22 | 0 | ||
| Phosphorus, total [as P] | 2 | 22 | 0 | ||
| Acrylonitrile | 4 | 14 | 0 | ||
| Copper, total [as Cu] | 0 | 9 | 0 | ||
| 1,1-Dichloroethane | 6 | 8 | 0 | ||
| 1,1-Dichloroethylene | 6 | 8 | 0 | ||
| Vinyl chloride | 6 | 8 | 0 | ||
| Hexachlorobutadiene | 4 | 8 | 0 | ||
| Molybdenum, total [as Mo] | 0 | 8 | 0 | ||
| cis-1,2-Dichloroethylene | 0 | 8 | 0 | ||
| Methyl chloride [Chloromethane] | 4 | 4 | 0 | ||
| Dieldrin | 0 | 4 | 0 | ||
| Hexachlorobenzene | 1 | 3 | 0 | ||
| 1,3-Dichloropropylene | 4 | 2 | 0 | ||
| Chloroethane | 4 | 1 | 0 | ||
| TU Static 24 Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Carbon tetrachloride | 4 | 0 | 0 | ||
| 1,2-Dichloroethane | 4 | 0 | 0 | ||
| Toluene | 4 | 0 | 0 | ||
| Acenaphthylene | 4 | 0 | 0 | ||
| Acenaphthene | 4 | 0 | 0 | ||
| Anthracene | 4 | 0 | 0 | ||
| Benzo[k]fluoranthene | 4 | 0 | 0 | ||
| Benzo[a]pyrene | 4 | 0 | 0 | ||
| Chlorobenzene | 4 | 0 | 0 | ||
| Chrysene | 4 | 0 | 0 | ||
| Diethyl phthalate | 4 | 0 | 0 | ||
| Dimethyl phthalate | 4 | 0 | 0 | ||
| Fluoranthene | 4 | 0 | 0 | ||
| Fluorene | 4 | 0 | 0 | ||
| Hexachloroethane | 4 | 0 | 0 | ||
| Methylene chloride | 4 | 0 | 0 | ||
| Nitrobenzene | 4 | 0 | 0 | ||
| Phenanthrene | 4 | 0 | 0 | ||
| Pyrene | 4 | 0 | 0 | ||
| Tetrachloroethylene | 4 | 0 | 0 | ||
| 1,1,1-Trichloroethane | 4 | 0 | 0 | ||
| 1,1,2-Trichloroethane | 4 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 19, 2025 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| June 3, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| January 1, 2025 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| October 30, 2024 | Management Practice Violations - Failure to Maintain Records | ST6 |
| October 1, 2024 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| July 1, 2024 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| April 3, 2024 | Management Practice Violations - Failure to Maintain Records | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.