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Clean Water Act discharge permit · NPDES MNG442249

MATTHEW SLATER - LARKIN 13, Rushmore, MN: NPDES MNG442249 discharge permit, effluent exceedances, inspections, penalties

MATTHEW SLATER - LARKIN 13, held by Matthew Slater, holds NPDES permit MNG442249. EPA’s file records it issued January 30, 2026 and expiring January 31, 2026. 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 MATTHEW SLATER - LARKIN 13: its NPDES ID, its permit type and status, its dates, its address in Rushmore, Minnesota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MNG442249.

Identity

Facility as filedMATTHEW SLATER - LARKIN 13
Permittee as filedMatthew Slater
NPDES IDMNG442249
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
ProgramConcentrated animal feeding operations
IssuedJanuary 30, 2026
Expiration dateJanuary 31, 2026
Issuing agencySTA
AddressRushmore, MN 56168
SubwatershedEast Branch Kanaranzi Creek (HUC 101702040201)

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 MNG442249.

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 MNG442249.

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 MNG442249 there.

Nearby on the register

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

What this page shows

MATTHEW SLATER - LARKIN 13 sits in the East Branch Kanaranzi Creek subwatershed, which holds 3 Clean Water Act discharge permits, counting this permit. Nobles County holds 31 CAFO permits, and 77.4% of them were issued before this permit, with 0.0% carrying a noted violation.