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Clean Water Act discharge permit · NPDES MNG490274

BUFFALO RIDGE CONCRETE INC - EDGERTON, Edgerton, MN: NPDES MNG490274 discharge permit, effluent exceedances, inspections, penalties

BUFFALO RIDGE CONCRETE INC - EDGERTON, held by Buffalo Ridge Concrete Inc, holds NPDES permit MNG490274. EPA’s file records it issued December 1, 2021 and expiring May 31, 2022. 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 BUFFALO RIDGE CONCRETE INC - EDGERTON: its NPDES ID, its permit type and status, its dates, its address in Edgerton, Minnesota, and 2 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MNG490274.

Identity

Facility as filedBUFFALO RIDGE CONCRETE INC - EDGERTON
Permittee as filedBuffalo Ridge Concrete Inc
NPDES IDMNG490274
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
IssuedDecember 1, 2021
Expiration dateMay 31, 2022
Issuing agencySTA
AddressEdgerton, MN 56128
Receiving water impaired303(D) Listed
SubwatershedJudicial Ditch No 12 (HUC 070200060102)
SIC1442 – Construction Sand And Gravel

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
Solids, total suspended1000
Iron, total [as Fe]800

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MNG490274.

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 MNG490274.

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 MNG490274 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 MNG490274, held by Buffalo Ridge Concrete Inc for its facility in Edgerton, Minnesota, with a permit status of administratively continued and a discharger class of minor. The page lists 2 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit issued December 1, 2021 and expiring May 31, 2022.