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Clean Water Act discharge permit · NPDES MIG250033

MARSHALL CITY POWER PLANT, Marshall, MI: NPDES MIG250033 discharge permit, effluent exceedances, inspections, penalties

MARSHALL CITY POWER PLANT, held by City of Marshall, holds NPDES permit MIG250033, which discharges to Kalamazoo River. EPA’s file records it issued March 5, 2019 and expiring April 1, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMARSHALL CITY POWER PLANT
Permittee as filedCity of Marshall
NPDES IDMIG250033
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
IssuedMarch 5, 2019
Expiration dateApril 1, 2023
Issuing agencyState
AddressMarshall, MI 49068
Receiving waterKalamazoo River
SubwatershedMontcalm Lake-Kalamazoo River (HUC 040500030406)
NAICS221111 – Hydroelectric Power Generation
SIC4911 – Electric Services
Other EPA IDs (FRS)ICIS-AIR source MI00000000000C6230

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
pH600
Flow, in conduit or thru treatment plant600
Temperature, water deg. fahrenheit300
Outfall observation,visual, y/n response300

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG250033.

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
December 21, 2024Reporting Violations - Late Submittal of DMRsST6
December 21, 2023Reporting Violations - Late Submittal of DMRsST6
July 5, 2022Management Practice Violations - Failure to Maintain RecordsST6

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 MIG250033 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MIG250033 for the MARSHALL CITY POWER PLANT in Marshall, MI, held by the City of Marshall and discharging to the Kalamazoo River within the Montcalm Lake-Kalamazoo River subwatershed (HUC 040500030406). The permit is listed as administratively continued, with the minor discharger class, and the facts record 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.