Clean Water Act discharge permit · NPDES MIS111857
EATON CORP-MARSHALL, Marshall, MI: NPDES MIS111857 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
EATON CORP-MARSHALL, held by Eaton Marshall Proving Ground, holds NPDES permit MIS111857, which discharges to Kalamazoo River. EPA’s file records it issued July 2, 2021 and expiring April 1, 2026. 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 | EATON CORP-MARSHALL |
|---|---|
| Permittee as filed | Eaton Marshall Proving Ground |
| NPDES ID | MIS111857 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 2, 2021 |
| Expiration date | April 1, 2026 |
| Issuing agency | State |
| Address | Marshall, MI 49068 |
| Receiving water | Kalamazoo River |
| Subwatershed | Wilder Creek (HUC 040500030404) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MIS111857.
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 5, 2026 | Failure to develop, maintain, or get approval of an adequate SWPPP (industrial stormwater) | ST6 |
| March 24, 2020 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| August 5, 2026 | Evaluation | 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 |
|---|---|---|
| August 19, 2026 | Letter of Violation/ Warning Letter | 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 MIS111857 there.
Nearby on the register
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- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.