Clean Water Act discharge permit · NPDES MIG250038
COLDWATER SINTERED METAL PRODUCTS, Coldwater, MI: NPDES MIG250038 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
COLDWATER SINTERED METAL PRODUCTS, held by Coldwater Sintered Metal Products Incorporated, holds NPDES permit MIG250038, which discharges to South Lake. EPA’s file records it issued September 30, 2019 and expiring April 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 | COLDWATER SINTERED METAL PRODUCTS |
|---|---|
| Permittee as filed | Coldwater Sintered Metal Products Incorporated |
| NPDES ID | MIG250038 |
| 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 | September 30, 2019 |
| Expiration date | April 1, 2023 |
| Issuing agency | State |
| Address | Coldwater, MI 49036 |
| Receiving water | South Lake |
| Subwatershed | Hodunk Pond-Coldwater River (HUC 040500010111) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 32 | 0 | ||
| pH | 2 | 24 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 16 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 16 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG250038.
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
- 23Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 10, 2026 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| May 21, 2025 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| August 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| May 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| April 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| March 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 21, 2020 | Reporting Violations - Late Submittal of DMRs | ST6 |
| December 21, 2019 | Reporting Violations - Late Submittal of DMRs | ST6 |
| January 1, 2019 | Management Practice Violations - No Licensed/Certified Operator | 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
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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 MIG250038 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.