Clean Water Act discharge permit · NPDES MTG010280

HIDDEN VALLEY COLONY, Gildford, MT: NPDES MTG010280 discharge permit, effluent exceedances, inspections, penalties

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

HIDDEN VALLEY COLONY holds NPDES permit MTG010280, which discharges to Lonesome Lake. EPA’s file records it issued June 8, 2020 and expiring October 31, 2023. 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 HIDDEN VALLEY COLONY: its NPDES ID, its permit type and status, its dates, its address in Gildford, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG010280.

Identity

Facility as filed	HIDDEN VALLEY COLONY
Permittee as filed	HIDDEN VALLEY COLONY
NPDES ID	MTG010280
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Concentrated animal feeding operations
Issued	June 8, 2020
Expiration date	October 31, 2023
Address	Gildford, MT 59525
Receiving water	LONESOME LAKE
Subwatershed	Halfway Coulee (HUC 100500060505)

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 MTG010280.

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 MTG010280.

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, MTG010280.

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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 MTG010280 there.

Nearby on the register

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

This public-records page covers the NPDES permit MTG010280 held by HIDDEN VALLEY COLONY in Gildford, MT, which discharges to Lonesome Lake and is listed under the Concentrated animal feeding operations program. The permit is administratively continued, was issued June 8, 2020, and carries an expiration date of October 31, 2023, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.