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Clean Water Act discharge permit · NPDES MTR108431

HIGHLAND MEADOWS SUBDIVISION, East Helena, MT: NPDES MTR108431 discharge permit, effluent exceedances, inspections, penalties

HIGHLAND MEADOWS SUBDIVISION, held by MJD Contracting, LLC, holds NPDES permit MTR108431, which discharges to Prickly Pear Creek. EPA’s file records it issued June 1, 2020 and expiring December 31, 2022. 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 HIGHLAND MEADOWS SUBDIVISION: its NPDES ID, its permit type and status, its dates, 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 MTR108431.

Identity

Facility as filedHIGHLAND MEADOWS SUBDIVISION
Permittee as filedMJD Contracting, LLC
NPDES IDMTR108431
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 1, 2020
Expiration dateDecember 31, 2022
AddressEast Helena, MT 59635
Receiving waterPRICKLY PEAR CREEK
SubwatershedLake Helena (HUC 100301011504)
SIC1629 – Heavy Construction

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 MTR108431.

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 MTR108431.

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, MTR108431.

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  • One watershed — $2,990/year
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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 MTR108431 there.

Nearby on the register

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

What this page shows

The HIGHLAND MEADOWS SUBDIVISION permit, held by MJD Contracting, LLC, is one of 145 storm water construction permits in Lewis and Clark County, where 13.1% of such permits carry a violation on file. It sits among 19 NPDES permits in the Lake Helena subwatershed, and it records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance. Measured against the 133 storm water construction permits in Lewis and Clark County, 47.4% were issued earlier than this one.