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Clean Water Act discharge permit · NPDES MTX000311

EAST HELENA WWTF, East Helena, MT: NPDES MTX000311 discharge permit, effluent exceedances, inspections, penalties

EAST HELENA WWTF, held by CITY OF EAST HELENA, holds NPDES permit MTX000311, which discharges to Prickly Pear Creek. 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 EAST HELENA WWTF: its NPDES ID, its permit type and status, its its address in East Helena, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTX000311.

Identity

Facility as filedEAST HELENA WWTF
Permittee as filedCITY OF EAST HELENA
NPDES IDMTX000311
Permit statusPending
Permit typeState-issued individual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
AddressEast Helena, MT 59635
Receiving waterPRICKLY PEAR CREEK
SubwatershedLake Helena (HUC 100301011504)

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 MTX000311.

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 MTX000311.

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, MTX000311.

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  • One permit holder — $99/month
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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 MTX000311 there.

Nearby on the register

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

What this page shows

The East Helena WWTF, filed under the permittee name CITY OF EAST HELENA, is one of 27 state-issued individual permits in Lewis and Clark County, and 63.0% of those permits have a violation on file. It sits among 19 NPDES permits in the Lake Helena subwatershed, this one included. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.