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Clean Water Act discharge permit · NPDES MIS310770

NSG-NILES, Niles, MI: NPDES MIS310770 discharge permit, effluent exceedances, inspections, penalties

NSG-NILES, held by NSG, holds NPDES permit MIS310770, which discharges to St. Joseph River. EPA’s file records it issued February 26, 2021 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 filedNSG-NILES
Permittee as filedNSG
NPDES IDMIS310770
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
IssuedFebruary 26, 2021
Expiration dateApril 1, 2023
Issuing agencyState
AddressNiles, MI 49120
Receiving waterSt. Joseph River
SubwatershedCity of Niles-Saint Joseph River (HUC 040500012210)
SIC3231 – Products Of Purchased Glass

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 MIS310770.

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
November 21, 2022WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMPST6

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 MIS310770 there.

Nearby on the register

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

What this page shows

This EPA permit record covers NSG-NILES in Niles, MI, held by NSG under NPDES permit MIS310770, which discharges to the St. Joseph River and is listed as administratively continued with a minor discharger class. The page lists 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance, with the permit issued February 26, 2021 and expiring April 1, 2023.