Clean Water Act discharge permit · NPDES MI0021661
CLINTON WWTP, Clinton, MI: NPDES MI0021661 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
CLINTON WWTP, held by Village of Clinton, holds NPDES permit MI0021661, which discharges to River Raisin. EPA’s file records it issued September 30, 2020 and expiring October 1, 2024.
CLINTON WWTP, Clinton, Michigan: Individual permit MI0021661, held by Village of Clinton; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 30, 2020, term to October 1, 2024, by State; discharges to River Raisin; Sewage Treatment Facilities.
- BOD, carbonaceous [5 day, 20 C]: 12 limits, 331 violations of any kind, 3 effluent exceedances, latest August 31, 2021, largest 42% over the limit.
- Nitrogen, ammonia total [as N]: 9 limits, 160 violations of any kind, 1 effluent exceedance, latest July 31, 2009, largest 14% over the limit.
- Oxygen, dissolved [DO]: 2 limits, 85 violations of any kind, 1 effluent exceedance, latest August 31, 2006, largest 4% over the limit.
- Phosphorus, total [as P]: 4 limits, 62 violations of any kind, 1 effluent exceedance, latest August 31, 2006, largest 41% over the limit.
- pH: 2 limits, 57 violations of any kind, 1 effluent exceedance, latest March 31, 2008.
- BOD, carb-5 day, 20 deg C, percent removal: 2 limits, 31 violations of any kind, 1 effluent exceedance, latest March 31, 2006, largest 249% over the limit.
- Coliform, fecal general: 2 limits, 139 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 8 limits, 129 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 56 violations of any kind, 0 effluent exceedances.
- Solids, suspended percent removal: 2 limits, 28 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 0 limits, 8 violations of any kind, 0 effluent exceedances.
- Solids, total: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nitrogen, total Kjeldahl: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nitrogen, sludge, total, dry weight [as N]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Potassium, sludge, total, dry weight [as K]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Phosphorus, sludge, total, dry weight [as P]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, total [as Cu]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- February 26, 2026: Letter of Violation/ Warning Letter (State).
- February 4, 2026: Reconnaissance without Sampling (S).
- April 4, 2023: Management Practice Violations - Failure to Maintain Records (ST6).
- November 1, 2021: Management Practice Violations - Failure to Maintain Records (ST6).
Michigan holds 200 Publicly owned treatment works coverages of this permit type in EPA’s file; 179 were issued before MI0021661.
Coverages issued nearest MI0021661
- September 25, 2020: PORT AUSTIN WWTP, Port Austin, MI0028517, held by Port Austin Area Sewer and Water Authority
- September 28, 2020: LOWELL WWTP, Lowell, MI0020311, held by City of Lowell
- September 28, 2020: LAPEER WWTP, Lapeer, MI0020460, held by City of Lapeer
- September 28, 2020: BESSEMER AREA SA WWTP, Bessemer, MI0021067, held by Bessemer Area Sewer Authority
- September 28, 2020: TRAVERSE CITY WWTP, Traverse City, MI0027481, held by City of Traverse City
- October 27, 2020: GENESEE CO #3 WRRF, Linden, MI0022993, held by Genesee County Drain Commissioner's Office
- February 26, 2021: ALMONT WWTP, Almont, MI0020931, held by Village of Almont
- April 28, 2021: ALLEGAN WRRF, Allegan, MI0020532, held by City of Allegan
- May 25, 2021: BATTLE CREEK WWTP, Battle Creek, MI0022276, held by City of Battle Creek
- May 26, 2021: CARSON CITY WWSL, Carson City, MI0020192, held by City of Carson City
CLINTON WWTP among its neighbors
Its county holds 34, 3 of them major permits; MI0021661 is a minor permit.
Other permits in the county
- ADRIAN LF, Adrian: MI0048232, minor permit, discharging to River Raisin, permit term to October 1, 2019
- ADRIAN STEEL COMPANY, Adrian: MIS510215, minor permit, discharging to Savage Drain, permit term to April 1, 2025
- ADRIAN WTP, Adrian: MIG640224, minor permit, discharging to Wolf Creek, permit term to April 1, 2020
- ADRIAN WWTP, Adrian: MI0022152, major permit, discharging to Raisin River South Branch, permit term to October 1, 2023
- ANDERSON DEVELOPMENT CO-ADRIAN, Adrian: MIS520035, minor permit, discharging to River Raisin, permit term to April 1, 2025
- BAKERLADS FARM-CAFO, Clayton: MI0059009, minor permit, permit term to October 1, 2016
- BAKERLADS FARMS, Clayton: MIA000014, not classed
- BLISSFIELD WWTP, Blissfield: MI0021695, minor permit, discharging to Raisin River, permit term to October 1, 2023
- ERVIN-AMA STEEL DIV-ADRIAN, Adrian: MIS510228, minor permit, discharging to Savage Drain, permit term to April 1, 2025
- FAIRFIELD TWP WWSL-JASPER, Jasper: MIG580323, minor permit, discharging to Black Creek, permit term to April 1, 2024
Identity
| Facility as filed | CLINTON WWTP |
|---|---|
| Permittee as filed | Village of Clinton |
| NPDES ID | MI0021661 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 30, 2020 |
| Expiration date | October 1, 2024 |
| Issuing agency | State |
| Address | Clinton, MI 49236 |
| Receiving water | River Raisin |
| Program components on file | Biosolids, POTW |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 26Pollutants on file
- 24Under a numeric limit
- 26With a violation of any kind
- 6With 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 | 331 | 3 | August 31, 2021 | 42% over the limit |
| Nitrogen, ammonia total [as N] | 9 | 160 | 1 | July 31, 2009 | 14% over the limit |
| Oxygen, dissolved [DO] | 2 | 85 | 1 | August 31, 2006 | 4% over the limit |
| Phosphorus, total [as P] | 4 | 62 | 1 | August 31, 2006 | 41% over the limit |
| pH | 2 | 57 | 1 | March 31, 2008 | |
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 31 | 1 | March 31, 2006 | 249% over the limit |
| Coliform, fecal general | 2 | 139 | 0 | ||
| Solids, total suspended | 8 | 129 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 56 | 0 | ||
| Solids, suspended percent removal | 2 | 28 | 0 | ||
| Chlorine, total residual | 0 | 8 | 0 | ||
| Solids, total | 3 | 3 | 0 | ||
| Arsenic, dry weight | 3 | 3 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 3 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 3 | 0 | ||
| Copper, total [as Cu] | 0 | 2 | 0 |
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 4, 2023 | Management Practice Violations - Failure to Maintain Records | ST6 |
| November 1, 2021 | Management Practice Violations - Failure to Maintain Records | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| February 4, 2026 | Reconnaissance without Sampling | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| February 26, 2026 | Letter of Violation/ Warning Letter | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.