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Clean Water Act discharge permit · NPDES MTPIU000O

AMERICAN EAGLE INSTRUMENTS, Missoula, MT: NPDES MTPIU000O discharge permit, effluent exceedances, inspections, penalties

AMERICAN EAGLE INSTRUMENTS, held by American Eagle Instruments, holds NPDES permit MTPIU000O. EPA’s file records it issued December 1, 2022 and expiring December 1, 2026. 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 AMERICAN EAGLE INSTRUMENTS: its NPDES ID, its permit type and status, its dates, its address in Missoula, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTPIU000O.

Identity

Facility as filedAMERICAN EAGLE INSTRUMENTS
Permittee as filedAmerican Eagle Instruments
NPDES IDMTPIU000O
Permit statusEffective
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 1, 2022
Expiration dateDecember 1, 2026
Issuing agencyCity Of Missoula Wwtp
AddressMissoula, MT 59808
Other EPA IDs (FRS)RCRA handler MTR000008227

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTPIU000O.

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 MTPIU000O.

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, MTPIU000O.

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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 MTPIU000O there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The American Eagle Instruments permit (NPDES ID MTPIU000O) is one of 7 individual industrial user permits in Missoula County on EPA's NPDES register, this one included. Of those 7 permits, 0.0% have a violation on file, and this permit likewise has no pollutants under a numeric limit or with an effluent exceedance, both counted as 0. The permit is effective, having been issued December 1, 2022 and expiring December 1, 2026, and it covers the facility at Missoula, Montana.