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Clean Water Act discharge permit · NPDES MTG870077

YELLOWSTONE NATIONAL PARK PESTICIDE, Cooke City, MT: NPDES MTG870077 discharge permit, effluent exceedances, inspections, penalties

YELLOWSTONE NATIONAL PARK PESTICIDE holds NPDES permit MTG870077, which discharges to Speciman Creek. EPA’s file records it issued March 29, 2017 and expiring October 31, 2021. 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 YELLOWSTONE NATIONAL PARK PESTICIDE: its NPDES ID, its permit type and status, its dates, its address in Cooke City, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG870077.

Identity

Facility as filedYELLOWSTONE NATIONAL PARK PESTICIDE
Permittee as filedYELLOWSTONE NATIONAL PARK PESTICIDE
NPDES IDMTG870077
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeFederal facility
IssuedMarch 29, 2017
Expiration dateOctober 31, 2021
AddressCooke City, MT 59020
Receiving waterSPECIMAN CREEK
SubwatershedSpeciman Creek (HUC 100200080105)
SIC9511 – Air, Water, & Solid Waste Management

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTG870077.

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 MTG870077.

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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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 MTG870077 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MTG870077 for YELLOWSTONE NATIONAL PARK PESTICIDE in Cooke City, Montana, which discharges to Speciman Creek, with EPA's file recording issuance on March 29, 2017 and expiration on October 31, 2021. The listed figures are 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit status is administratively continued.