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Clean Water Act discharge permit · NPDES MTR111771

CULBERTSON LEGION PARK, Culbertson, MT: NPDES MTR111771 discharge permit, effluent exceedances, inspections, penalties

CULBERTSON LEGION PARK, held by MONTANA ARMY NATIONAL GUARD ATTN ENV, holds NPDES permit MTR111771, which discharges to Missouri River. EPA’s file records it issued May 15, 2026 and expiring December 31, 2027. 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.

What the register holds for CULBERTSON LEGION PARK: its NPDES ID, its permit type and status, its dates, its address in Culbertson, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111771.

Identity

Facility as filedCULBERTSON LEGION PARK
Permittee as filedMONTANA ARMY NATIONAL GUARD ATTN ENV
NPDES IDMTR111771
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeFederal facility
ProgramConstruction stormwater
IssuedMay 15, 2026
Expiration dateDecember 31, 2027
AddressCulbertson, MT 59218
Receiving waterMISSOURI RIVER
Receiving water impaired303(D) Listed
SubwatershedMissouri River-Day Creek (HUC 100600050901)

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 MTR111771.

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 MTR111771.

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, MTR111771.

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How we handle your data → Privacy

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 MTR111771 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 the Clean Water Act NPDES permit MTR111771 held by Montana Army National Guard for CULBERTSON LEGION PARK in Culbertson, MT, which discharges to the MISSOURI RIVER. The page lists the permit as Effective, issued May 15, 2026, and expiring December 31, 2027, with a Minor discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.