Clean Water Act discharge permit · NPDES MTR10B60I

WALKING HORSE WATER SYSTEM, Ashland, MT: NPDES MTR10B60I discharge permit, effluent exceedances, inspections, penalties

PendingPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

WALKING HORSE WATER SYSTEM, held by Western Municipal Construction, holds NPDES permit MTR10B60I. 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 WALKING HORSE WATER SYSTEM: its NPDES ID, its permit type and status, its its address in Ashland, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR10B60I.

Identity

Facility as filed	WALKING HORSE WATER SYSTEM
Permittee as filed	Western Municipal Construction
NPDES ID	MTR10B60I
Permit status	Pending
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Address	Ashland, MT 59003
Receiving water impaired	303(D) Listed
Subwatershed	Tongue River-Walking Horse Coulee (HUC 100901020411)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR10B60I.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR10B60I.

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, MTR10B60I.

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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 MTR10B60I there.

Nearby on the register

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

This public-records page covers the Clean Water Act construction stormwater discharge permit NPDES MTR10B60I, held by Western Municipal Construction for WALKING HORSE WATER SYSTEM in Ashland, MT, with a status of Pending as of September 15, 2026. The register lists 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance, and it notes that no effluent or single-event violation is on file for this permit.