Velarion Records
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
You’ll confirm on The Pay Desk’s sign-up page.

Clean Water Act discharge permit · NPDES MIG250038

COLDWATER SINTERED METAL PRODUCTS, Coldwater, MI: NPDES MIG250038 discharge permit, effluent exceedances, inspections, penalties

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 filedCOLDWATER SINTERED METAL PRODUCTS
Permittee as filedColdwater Sintered Metal Products Incorporated
NPDES IDMIG250038
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 30, 2019
Expiration dateApril 1, 2023
Issuing agencyState
AddressColdwater, MI 49036
Receiving waterSouth Lake
SubwatershedHodunk Pond-Coldwater River (HUC 040500010111)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow, in conduit or thru treatment plant2320
pH2240
Temperature, water deg. fahrenheit1160
Outfall observation,visual, y/n response1160

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

DateWhat EPA recordedAgency
February 10, 2026Monitoring Violations - Improper Analysis or Lab ErrorST6
May 21, 2025Reporting Violations - Late Submittal of DMRsST6
December 21, 2024Reporting Violations - Late Submittal of DMRsST6
August 21, 2024Reporting Violations - Late Submittal of DMRsST6
July 21, 2024Reporting Violations - Late Submittal of DMRsST6
June 21, 2024Reporting Violations - Late Submittal of DMRsST6
March 21, 2021Reporting Violations - Late Submittal of DMRsST6
February 21, 2021Reporting Violations - Late Submittal of DMRsST6
January 21, 2021Reporting Violations - Late Submittal of DMRsST6
December 21, 2020Reporting Violations - Late Submittal of DMRsST6
November 21, 2020Reporting Violations - Late Submittal of DMRsST6
October 21, 2020Reporting Violations - Late Submittal of DMRsST6
September 21, 2020Reporting Violations - Late Submittal of DMRsST6
August 21, 2020Reporting Violations - Late Submittal of DMRsST6
July 21, 2020Reporting Violations - Late Submittal of DMRsST6
June 21, 2020Reporting Violations - Late Submittal of DMRsST6
May 21, 2020Reporting Violations - Late Submittal of DMRsST6
April 21, 2020Reporting Violations - Late Submittal of DMRsST6
March 21, 2020Reporting Violations - Late Submittal of DMRsST6
February 21, 2020Reporting Violations - Late Submittal of DMRsST6
January 21, 2020Reporting Violations - Late Submittal of DMRsST6
December 21, 2019Reporting Violations - Late Submittal of DMRsST6
January 1, 2019Management Practice Violations - No Licensed/Certified OperatorST6

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, MIG250038.

Start the watch

How often?
  • 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 MIG250038 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.