Clean Water Act discharge permit · NPDES MNG490293
WINONA AGGREGATE/MODERN READY MIX INC, Winona, MN: NPDES MNG490293 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
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 (October 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 filed | WINONA AGGREGATE/MODERN READY MIX INC |
|---|---|
| Permittee as filed | Modern Ready Mix Inc |
| NPDES ID | MNG490293 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 1, 2017 |
| Expiration date | May 31, 2022 |
| Issuing agency | mpca |
| Address | Winona, MN 55987 |
| Subwatershed | City of Winona-Mississippi River (HUC 070400030610) |
| SIC | 1442 – Construction Sand And Gravel |
| Other EPA IDs (FRS) | RCRA handler MND982644056 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
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
- 0Single-event violations
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.
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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
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- Every permit record in Minnesota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.