Clean Water Act discharge permit · NPDES MI0060260
OTSEGO WWTP, Otsego, MI: NPDES MI0060260 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 26Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 2Inspections on file
- 0Formal enforcement actions
OTSEGO WWTP, held by City of Otsego, holds NPDES permit MI0060260, which discharges to Kalamazoo River. EPA’s file records it issued July 25, 2019 and expiring October 1, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | OTSEGO WWTP |
|---|---|
| Permittee as filed | City of Otsego |
| NPDES ID | MI0060260 |
| 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 | July 25, 2019 |
| Expiration date | October 1, 2023 |
| Issuing agency | State |
| Address | Otsego, MI 49078 |
| Receiving water | Kalamazoo River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Trowbridge Dam-Kalamazoo River (HUC 040500030905) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 26Pollutants on file
- 26Under a numeric limit
- 3With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 1 | 1 | August 31, 2019 | 26% over the limit |
| pH | 2 | 1 | 1 | August 31, 2024 | |
| Chlorine, total residual | 1 | 1 | 1 | May 31, 2023 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 4 | 0 | 0 | ||
| Mercury, total [as Hg] | 4 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 0 | 0 | ||
| Solids, total | 3 | 0 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 0 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 0 | 0 | ||
| Solids, suspended percent removal | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 1, 2025 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| September 18, 2023 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| September 18, 2023 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | ST6 |
| May 12, 2021 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| May 12, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| September 16, 2026 | Evaluation | S |
| May 13, 2026 | 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 |
|---|---|---|
| June 30, 2026 | Notice of Violation | State |
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
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How we handle your data → Privacy
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 MI0060260 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.