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Clean Water Act discharge permit · NPDES MI0059513

PORT HURON MS4-ST CLAIR, Port Huron, MI: NPDES MI0059513 discharge permit, effluent exceedances, inspections, penalties

PORT HURON MS4-ST CLAIR, held by City of Port Huron, holds NPDES permit MI0059513. EPA’s file records it issued November 22, 2017 and expiring October 1, 2021. 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 filedPORT HURON MS4-ST CLAIR
Permittee as filedCity of Port Huron
NPDES IDMI0059513
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 22, 2017
Expiration dateOctober 1, 2021
Issuing agencyState
AddressPort Huron, MI 48060
SubwatershedMilwaukee Creek-Frontal Lake Huron (HUC 040801040207)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MI0059513.

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
January 13, 2021WW Storm Water MS4 - Failure to develop any or adequate SWPPP/SWMPST6
January 13, 2021Permit Violations - Discharge Without a Valid PermitST6

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.

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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 MI0059513 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MI0059513 for the PORT HURON MS4-ST CLAIR facility in Port Huron, MI, held by the City of Port Huron, which is listed as administratively continued and a minor discharger. The page lists 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance, with the subwatershed given as Milwaukee Creek-Frontal Lake Huron (HUC 040801040207).