Clean Water Act discharge permit · NPDES MI0022993
GENESEE CO #3 WRRF, Linden, MI: NPDES MI0022993 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
GENESEE CO #3 WRRF, held by Genesee County Drain Commissioner's Office, holds NPDES permit MI0022993, which discharges to Shiawassee River. EPA’s file records it issued October 27, 2020 and expiring October 1, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GENESEE CO #3 WRRF |
|---|---|
| Permittee as filed | Genesee County Drain Commissioner's Office |
| NPDES ID | MI0022993 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 27, 2020 |
| Expiration date | October 1, 2023 |
| Issuing agency | State |
| Address | Linden, MI 48451 |
| Receiving water | Shiawassee River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Byron Millpond-Shiawasee River (HUC 040802030111) |
| Program components on file | Biosolids, POTW |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 36Pollutants on file
- 30Under a numeric limit
- 35With a violation of any kind
- 9With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 12 | 41 | 9 | October 31, 2024 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 16 | 24 | 4 | May 31, 2026 | 236% over the limit |
| Solids, total suspended | 8 | 26 | 2 | November 30, 2011 | 607% over the limit |
| Phosphorus, total [as P] | 8 | 12 | 2 | July 31, 2024 | 50% over the limit |
| Mercury, total [as Hg] | 6 | 43 | 1 | March 31, 2010 | 891,567% over the limit |
| pH | 2 | 21 | 1 | August 31, 2011 | |
| Toxicity [chronic], Ceriodaphnia dubia | 0 | 8 | 1 | August 31, 2003 | 44% over the limit |
| Oxygen, dissolved [DO] | 2 | 7 | 1 | May 31, 2006 | 3% over the limit |
| Solids, suspended percent removal | 2 | 7 | 1 | April 30, 2005 | 393% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| Coliform, fecal general | 2 | 20 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 14 | 0 | ||
| Silver, total [as Ag] | 0 | 14 | 0 | ||
| Selenium, total [as Se] | 0 | 14 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 8 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 7 | 0 | ||
| Solids, total | 3 | 6 | 0 | ||
| Arsenic, dry weight | 3 | 6 | 0 | ||
| Selenium, dry weight | 3 | 6 | 0 | ||
| Copper, dry weight | 3 | 6 | 0 | ||
| Cadmium, dry weight | 3 | 6 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 6 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 6 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 6 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 6 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 6 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 6 | 0 | ||
| Toxicity, choice of species | 2 | 5 | 0 | ||
| TU Static 24 Hr Acute Pimephales promelas | 0 | 5 | 0 | ||
| Static 48 Hr Chronic Pimphales Promelas | 0 | 5 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 4 | 2 | 0 | ||
| Cyanide [A] | 2 | 2 | 0 | ||
| Perfluorooctanesulfonate | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 22, 2024 | Pretreatment - Failure to Establish Local Limits | ST6 |
| January 22, 2024 | Pretreatment - Failure to Enforce Against I/U | ST6 |
| January 22, 2024 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| January 22, 2024 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| January 22, 2024 | Failure to issue/reissue control mechanisms to at least 90% of SIU/CIUs w/in 6 months (Level II) | ST6 |
| January 22, 2024 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| July 16, 2021 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| July 16, 2021 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| July 16, 2021 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| March 29, 2017 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | 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 October 14, 2026.