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Clean Water Act discharge permit · NPDES MIS320092

OSI ENVIRONMENTAL INC, Negaunee, MI: NPDES MIS320092 discharge permit, effluent exceedances, inspections, penalties

OSI ENVIRONMENTAL INC, held by OSI Environmental, Inc., holds NPDES permit MIS320092. EPA’s file records it issued September 24, 2025 and expiring April 1, 2028. 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.

What the register holds for OSI ENVIRONMENTAL INC: its NPDES ID, its permit type and status, its dates, its address in Negaunee, Michigan. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS320092.

Identity

Facility as filedOSI ENVIRONMENTAL INC
Permittee as filedOSI Environmental, Inc.
NPDES IDMIS320092
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 24, 2025
Expiration dateApril 1, 2028
Issuing agencyState
AddressNegaunee, MI 49866
Receiving water impaired303(D) Listed
SubwatershedCarp River (HUC 040201050102)
SIC5171 – Petroleum Bulk Stations & Terminals

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MIS320092.

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 MIS320092.

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 MIS320092 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 NPDES discharge permit MIS320092 held by OSI Environmental, Inc. in Negaunee, MI, with a status of Effective and a minor discharger classification. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit dated from September 24, 2025 to April 1, 2028, as EPA's file stood on October 14, 2026.