Clean Water Act discharge permit · NPDES MIG580135
CROCKERY MHP, Nunica, MI: NPDES MIG580135 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
CROCKERY MHP, held by Michigan MHC. Incorporated, dba Crockery MHP, holds NPDES permit MIG580135. EPA’s file records it issued October 6, 2014 and expiring April 1, 2019. 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 | CROCKERY MHP |
|---|---|
| Permittee as filed | Michigan MHC. Incorporated, dba Crockery MHP |
| NPDES ID | MIG580135 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 6, 2014 |
| Expiration date | April 1, 2019 |
| Issuing agency | State |
| Address | Nunica, MI 49448 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lloyd Bayou-Grand River (HUC 040500060712) |
| 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
- 22Pollutants on file
- 22Under a numeric limit
- 22With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 34 | 12 | March 31, 2026 | 42,764% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 30 | 8 | October 31, 2022 | 583% over the limit |
| Solids, total suspended | 4 | 25 | 3 | October 31, 2021 | 15% over the limit |
| Oxygen, dissolved [DO] | 1 | 16 | 2 | May 31, 2021 | 80% over the limit |
| pH | 2 | 23 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 22 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 13 | 0 | ||
| Phosphorus, total [as P] | 2 | 13 | 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 |
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
- 22Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 21, 2025 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 1, 2025 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| July 1, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| October 5, 2022 | Reporting Violations - Failure to Notify | ST6 |
| June 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 20, 2021 | Management Practice Violations - Failure to Maintain Records | ST6 |
| July 20, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 20, 2021 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| June 27, 2021 | WW SSO - Discharge to Waters | ST6 |
| June 27, 2021 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| June 27, 2021 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| June 27, 2021 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| May 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 5, 2021 | WW SSO - Discharge to Waters | ST6 |
| April 5, 2021 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| February 16, 2021 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| February 16, 2021 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| October 15, 2020 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| October 31, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2017 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2017 | 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.
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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.