Clean Water Act discharge permit · NPDES MI0053848
LENAWEE CDC-LOCH ERIN WWTP, Onsted, MI: NPDES MI0053848 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
LENAWEE CDC-LOCH ERIN WWTP, held by Lenawee County Drain Commission, holds NPDES permit MI0053848. EPA’s file records it issued May 20, 2016 and expiring October 1, 2019. 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 | LENAWEE CDC-LOCH ERIN WWTP |
|---|---|
| Permittee as filed | Lenawee County Drain Commission |
| NPDES ID | MI0053848 |
| 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 | May 20, 2016 |
| Expiration date | October 1, 2019 |
| Issuing agency | State |
| Address | Onsted, MI 49265 |
| Subwatershed | Wolf Creek (HUC 041000020204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 22Under a numeric limit
- 22With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 4 | 37 | 3 | April 30, 2023 | 73% over the limit |
| Solids, total suspended | 6 | 34 | 2 | November 30, 2020 | 30% over the limit |
| Phosphorus, total [as P] | 11 | 217 | 1 | October 31, 2008 | 340% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 134 | 0 | ||
| Coliform, fecal general | 4 | 36 | 0 | ||
| pH | 4 | 33 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 21 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 18 | 0 | ||
| Solids, total | 3 | 9 | 0 | ||
| Arsenic, dry weight | 3 | 9 | 0 | ||
| Selenium, dry weight | 3 | 9 | 0 | ||
| Copper, dry weight | 3 | 9 | 0 | ||
| Cadmium, dry weight | 3 | 9 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 9 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 9 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 9 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 9 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 9 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 9 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 9 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 9 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 9 | 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 |
|---|---|---|
| June 14, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 30, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 21, 2019 | 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 September 15, 2026.