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Clean Water Act discharge permit · NPDES MIS210065

GILDNER CONCRETE PRODUCTS INC, Hillman, MI: NPDES MIS210065 discharge permit, effluent exceedances, inspections, penalties

GILDNER CONCRETE PRODUCTS INC, held by Gildner's Concrete, holds NPDES permit MIS210065, which discharges to Thunder Bay River. EPA’s file records it issued December 29, 2021 and expiring March 31, 2027. 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 filedGILDNER CONCRETE PRODUCTS INC
Permittee as filedGildner's Concrete
NPDES IDMIS210065
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 29, 2021
Expiration dateMarch 31, 2027
Issuing agencyState
AddressHillman, MI 49746
Receiving waterThunder Bay River
SubwatershedJewett Creek-Thunder Bay River (HUC 040700060310)

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 MIS210065.

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
August 14, 2025Failure to develop, maintain, or get approval of an adequate SWPPP (industrial stormwater)ST6
August 14, 2025Permit Violations - Discharge Without a Valid PermitST6

Inspections

EPA’s inspection file holds no inspection for NPDES MIS210065.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MIS210065.

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 MIS210065 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 MIS210065, held by GILDNER CONCRETE PRODUCTS INC in Hillman, MI, which discharges to the Thunder Bay River in the Jewett Creek-Thunder Bay River subwatershed (HUC 040700060310). The permit's status is Effective, it is classed as a Minor discharger, and the page lists 0 pollutants on file, 0 under a numeric limit, 0 with a violation of any kind, and 0 with an effluent exceedance.