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Clean Water Act discharge permit · NPDES MNG490216

A AND M AGGREGATE, Mora, MN: NPDES MNG490216 discharge permit, effluent exceedances, inspections, penalties

A AND M AGGREGATE, held by A and M Aggregate, holds NPDES permit MNG490216. EPA’s file records it issued April 1, 2019 and expiring May 31, 2022. 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 filedA AND M AGGREGATE
Permittee as filedA and M Aggregate
NPDES IDMNG490216
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
IssuedApril 1, 2019
Expiration dateMay 31, 2022
Issuing agencySTA
AddressMora, MN 55051
SubwatershedKnife River (HUC 070300040204)

Cited to the EPA ICIS-NPDES permit file (ECHO 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 suspended130

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MNG490216.

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 MNG490216.

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 MNG490216 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 MNG490216, held by A and M Aggregate at Mora, MN, which is administratively continued and in the Knife River subwatershed (HUC 070300040204). The page lists 1 pollutant on file, 1 under a numeric limit, 1 with a violation of any kind, and 0 with an effluent exceedance.