Clean Water Act discharge permit · NPDES MTR109667

MAVERIK INC. STORE - HELENA, Helena, MT: NPDES MTR109667 discharge permit, effluent exceedances, inspections, penalties

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

MAVERIK INC. STORE - HELENA, held by Maverik Inc., holds NPDES permit MTR109667, which discharges to Helena Valley Canal. EPA’s file records it issued December 7, 2022 and expiring December 31, 2022. 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.

Identity

Facility as filed	MAVERIK INC. STORE - HELENA
Permittee as filed	Maverik Inc.
NPDES ID	MTR109667
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	Construction stormwater
Issued	December 7, 2022
Expiration date	December 31, 2022
Address	Helena, MT 59601
Receiving water	HELENA VALLEY CANAL
Subwatershed	Lower Prickley Pear Gulch (HUC 100301011310)

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 MTR109667.

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

2Single-event violations

Date	What EPA recorded	Agency
June 9, 2023	WW Storm Water Construction - Failure to properly operate and maintain BMPs	ST6
June 9, 2023	WW Storm Water Construction - Failure to properly install/implement BMPs	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.

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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 MTR109667 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MTR109667 for the MAVERIK INC. STORE - HELENA, Helena, MT, which discharges to the HELENA VALLEY CANAL and is listed under the Lower Prickley Pear Gulch subwatershed (HUC 100301011310). The permit is administratively continued, classed as a Minor Discharger, and shows 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance.