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Clean Water Act discharge permit · NPDES MNG585142

BARNUM WWTP, Barnum, MN: NPDES MNG585142 discharge permit, effluent exceedances, inspections, penalties

BARNUM WWTP, held by Barnum city of, holds NPDES permit MNG585142. EPA’s file records it issued March 1, 2021 and expiring November 30, 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 filedBARNUM WWTP
Permittee as filedBarnum city of
NPDES IDMNG585142
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 1, 2021
Expiration dateNovember 30, 2023
Issuing agencySTA
AddressBarnum, MN 55707
SubwatershedGillespie Brook (HUC 070300030107)
SIC4952 – Sewerage Systems

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

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
pH321May 31, 2026
Flow, in conduit or thru treatment plant900
Solids, total suspended500
BOD, carbonaceous [5 day, 20 C]500
Phosphorus, total [as P]400
Nitrogen, total [as N]200
Nitrogen, Kjeldahl, total [as N]200
Nitrite + Nitrate total [as N]200
Precipitation, total defined period/in100
Oxygen, dissolved [DO]100
Nitrogen, ammonia total [as N]100
Coliform, fecal MPN + membrane ftl 44.5 C100
Solids, total dissolved100

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 MNG585142.

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 MNG585142 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 permit MNG585142 for the BARNUM WWTP in Barnum, MN, held by Barnum city of, with the permit listed as administratively continued and issued under the Minor Discharger class. The page reports 13 pollutants on file, 13 under a numeric limit, and 1 pollutant with an effluent exceedance, in the Gillespie Brook (HUC 070300030107) subwatershed.