Clean Water Act discharge permit · NPDES MTR000394

GATES OF THE MOUNTAINS INC, Helena, MT: NPDES MTR000394 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

GATES OF THE MOUNTAINS INC holds NPDES permit MTR000394, which discharges to Holter Lake. EPA’s file records it issued November 1, 2018 and expiring January 31, 2023. 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.

Identity

Facility as filed	GATES OF THE MOUNTAINS INC
Permittee as filed	GATES OF THE MOUNTAINS INC
NPDES ID	MTR000394
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	Industrial stormwater
Issued	November 1, 2018
Expiration date	January 31, 2023
Address	Helena, MT 59602
Receiving water	HOLTER LAKE
Receiving water impaired	303(D) Listed
SIC	4489 – Water Passenger Transportation

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

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
Iron, total [as Fe]	1	17
Lead, total [as Pb]	1	17
Zinc, total [as Zn]	1	17
Aluminum, total [as Al]	1	17

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000394.

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

4Single-event violations

Date	What EPA recorded	Agency
September 24, 2020	WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP	ST6
September 24, 2020	WW Storm Water Non-Construction - Failure to Monitor	ST6
September 24, 2020	WW Storm Water Non-Construction - Failure to Conduct Inspections	ST6
September 24, 2020	WW Storm Water Non-Construction - Failure to Maintain Records	ST6

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, MTR000394.

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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 MTR000394 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit MTR000394, held by GATES OF THE MOUNTAINS INC of Helena, MT, which discharges to Holter Lake; the permit is listed as administratively continued, with a minor discharger class and an industrial stormwater program. The facts list 4 pollutants on file under effluent limits, 0 of which are under a numeric limit, and 0 pollutants with an effluent exceedance.