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Clean Water Act discharge permit · NPDES MIS510929

GERKEN MATERIALS, INC. - TECUMSEH PIT, Tecumseh, MI: NPDES MIS510929 discharge permit, effluent exceedances, inspections, penalties

GERKEN MATERIALS, INC. - TECUMSEH PIT, held by Gerken Materials, Inc., holds NPDES permit MIS510929. EPA’s file records it issued August 26, 2021 and expiring April 1, 2025. 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.

What the register holds for GERKEN MATERIALS, INC. - TECUMSEH PIT: its NPDES ID, its permit type and status, its dates, its address in Tecumseh, Michigan. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS510929.

Identity

Facility as filedGERKEN MATERIALS, INC. - TECUMSEH PIT
Permittee as filedGerken Materials, Inc.
NPDES IDMIS510929
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
IssuedAugust 26, 2021
Expiration dateApril 1, 2025
Issuing agencyState
AddressTecumseh, MI 49286
SubwatershedSouth Branch River Raisin (HUC 041000020206)

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 MIS510929.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MIS510929.

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 MIS510929 there.

Nearby on the register

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

What this page shows

The GERKEN MATERIALS, INC. - TECUMSEH PIT permit, NPDES ID MIS510929, is one of 1 general permit coverage on EPA's NPDES register in Tecumseh, counting this one. It sits among 3 NPDES permits in the South Branch River Raisin subwatershed (HUC 041000020206), this one included. The permit records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.