Clean Water Act discharge permit · NPDES MIG580321
FAIRFIELD TWP-WESTON WWSL, Weston, MI: NPDES MIG580321 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
FAIRFIELD TWP-WESTON WWSL, held by Tom Gillenwater, Lenawee County Drain Commission, holds NPDES permit MIG580321. EPA’s file records it issued November 20, 2019 and expiring April 1, 2024. 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 | FAIRFIELD TWP-WESTON WWSL |
|---|---|
| Permittee as filed | Tom Gillenwater, Lenawee County Drain Commission |
| NPDES ID | MIG580321 |
| 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 | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 20, 2019 |
| Expiration date | April 1, 2024 |
| Issuing agency | State |
| Address | Weston, MI 49289 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Baker and May Drain-Black Creek (HUC 041000020302) |
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
- 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 | 38 | 6 | October 31, 2025 | 112% over the limit |
| Solids, total suspended | 4 | 37 | 5 | December 31, 2020 | 50% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 33 | 1 | April 30, 2023 | 7% over the limit |
| pH | 2 | 31 | 1 | May 31, 2006 | |
| Flow, in conduit or thru treatment plant | 2 | 32 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 26 | 0 | ||
| Phosphorus, total [as P] | 2 | 26 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 17 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 12, 2023 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| April 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 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.
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, MIG580321.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 MIG580321 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.