Clean Water Act discharge permit · NPDES MI0045551
GAST MFG INC-BENTON HARBOR, Benton Harbor, MI: NPDES MI0045551 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
GAST MFG INC-BENTON HARBOR, held by Gast Manufacturing Incorporated, holds NPDES permit MI0045551. EPA’s file records it issued January 29, 2019 and expiring October 1, 2023. 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 | GAST MFG INC-BENTON HARBOR |
|---|---|
| Permittee as filed | Gast Manufacturing Incorporated |
| NPDES ID | MI0045551 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 29, 2019 |
| Expiration date | October 1, 2023 |
| Issuing agency | State |
| Address | Benton Harbor, MI 49022 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Big Meadow Drain-Saint Joseph River (HUC 040500012608) |
| Other EPA IDs (FRS) | RCRA handler MID005109392; ICIS-AIR source MI00000000000A0404 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 16Pollutants on file
- 14Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Trichloroethylene | 2 | 34 | 4 | October 31, 2014 | 2,900% over the limit |
| cis-1,2-Dichloroethylene | 0 | 128 | 2 | October 31, 2007 | 600% over the limit |
| cis-1,2-Dichloroethene | 2 | 99 | 1 | September 30, 2025 | 1,420% over the limit |
| trans-1,2-Dichloroethylene | 0 | 1 | 1 | September 30, 2025 | 90% over the limit |
| pH | 4 | 30 | 0 | ||
| Tetrachloroethylene | 2 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| Equipment inspection - visual | 1 | 18 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 18 | 0 | ||
| 1,2-Dichloroethane | 1 | 16 | 0 | ||
| 1,1-Dichloroethane | 1 | 15 | 0 | ||
| 1,1-Dichloroethylene | 1 | 15 | 0 | ||
| 1,1,1-Trichloroethane | 1 | 15 | 0 | ||
| Vinyl chloride | 2 | 0 | 0 | ||
| 1,2-cis-Dichloroethylene | 2 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 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 20, 2022 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| April 20, 2022 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| April 20, 2022 | Failure to eliminate or relocate industrial stormwater outfalls from identified sensitive areas | ST6 |
| April 20, 2022 | Other noncompliance related to industrial stormwater discharges | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES MI0045551.
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
EPA’s informal enforcement file holds no action for NPDES MI0045551.
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, MI0045551.
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- One watershed — $2,990/year
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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 MI0045551 there.
Nearby on the register
- Discharge permits in Benton Harbor
- Every permit record in Benton Harbor, A to Z
- Discharge permits in Michigan
- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.