Clean Water Act discharge permit · NPDES MI0056936
OTTAWA CRC-CROCKERY TWP WWTP, Nunica, MI: NPDES MI0056936 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
OTTAWA CRC-CROCKERY TWP WWTP, held by Ottawa County Road Commission, holds NPDES permit MI0056936. EPA’s file records it issued April 29, 2016 and expiring October 1, 2020. 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 | OTTAWA CRC-CROCKERY TWP WWTP |
|---|---|
| Permittee as filed | Ottawa County Road Commission |
| NPDES ID | MI0056936 |
| 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 | April 29, 2016 |
| Expiration date | October 1, 2020 |
| Issuing agency | State |
| Address | Nunica, MI 49448 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lloyd Bayou-Grand River (HUC 040500060712) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 24Pollutants on file
- 24Under a numeric limit
- 24With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 80 | 40 | September 30, 2021 | 1,950% over the limit |
| Phosphorus, total [as P] | 8 | 38 | 10 | September 30, 2021 | 200% over the limit |
| pH | 2 | 30 | 2 | August 31, 2010 | |
| Oxygen, dissolved [DO] | 2 | 16 | 2 | August 31, 2010 | 71% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 57 | 1 | September 30, 2020 | 50% over the limit |
| Solids, total suspended | 8 | 36 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 28 | 0 | ||
| Coliform, fecal general | 2 | 28 | 0 | ||
| Solids, suspended percent removal | 2 | 7 | 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 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MI0056936.
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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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 MI0056936 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.