Clean Water Act discharge permit · NPDES MI0058703
ALLEGAN WTP, Allegan, MI: NPDES MI0058703 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
ALLEGAN WTP, held by City of Allegan, holds NPDES permit MI0058703, which discharges to Kalamazoo River. EPA’s file records it issued November 30, 2016 and expiring October 1, 2020. 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 | ALLEGAN WTP |
|---|---|
| Permittee as filed | City of Allegan |
| NPDES ID | MI0058703 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 30, 2016 |
| Expiration date | October 1, 2020 |
| Issuing agency | State |
| Address | Allegan, MI 49010 |
| Receiving water | Kalamazoo River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lake Allegan-Kalamazoo River (HUC 040500030907) |
| SIC | 4941 – Water Supply |
| Other EPA IDs (FRS) | RCRA handler MIK110678258 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 13Pollutants on file
- 11Under a numeric limit
- 13With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| TU Static 24 Hr Acute Daphnia magna | 1 | 30 | 20 | June 30, 2026 | 115% over the limit |
| Solids, total suspended | 3 | 24 | 4 | August 31, 2025 | 63% over the limit |
| TU Static 24 Hr Acute Pimephales promelas | 1 | 11 | 1 | June 30, 2016 | 44% over the limit |
| Phosphorus, total [as P] | 2 | 54 | 0 | ||
| pH | 2 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| Solids, total dissolved | 2 | 20 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 12 | 0 | ||
| Toxic Units Static 24 Hr Acute Ceriodaphnia dubia | 1 | 12 | 0 | ||
| Chlorine, total residual | 1 | 10 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 10 | 0 | ||
| Chloride [as Cl] | 0 | 1 | 0 | ||
| Sulfate, total [as SO4] | 0 | 1 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 21, 2026 | Reporting Violations - Late Submittal of DMRs | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MI0058703.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MI0058703 there.
Nearby on the register
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- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.