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Clean Water Act discharge permit · NPDES MNG490293

WINONA AGGREGATE/MODERN READY MIX INC, Winona, MN: NPDES MNG490293 discharge permit, effluent exceedances, inspections, penalties

WINONA AGGREGATE/MODERN READY MIX INC, held by Modern Ready Mix Inc, holds NPDES permit MNG490293. EPA’s file records it issued September 1, 2017 and expiring May 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for WINONA AGGREGATE/MODERN READY MIX INC: its NPDES ID, its permit type and status, its dates, its address in Winona, Minnesota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MNG490293.

Identity

Facility as filedWINONA AGGREGATE/MODERN READY MIX INC
Permittee as filedModern Ready Mix Inc
NPDES IDMNG490293
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
IssuedSeptember 1, 2017
Expiration dateMay 31, 2022
Issuing agencympca
AddressWinona, MN 55987
SubwatershedCity of Winona-Mississippi River (HUC 070400030610)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MNG490293.

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 MNG490293.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MNG490293.

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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 MNG490293 there.

Nearby on the register

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