Clean Water Act discharge permit · NPDES MTX000229

GALLATIN GATEWAY COUNTY WATER AND SEWER DIST WWF, Gallatin Gateway, MT: NPDES MTX000229 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance

GALLATIN GATEWAY COUNTY WATER AND SEWER DIST WWF, held by GALLATIN GATEWAY COUNTY WATER AND SEWER DIST, holds NPDES permit MTX000229, which discharges to State Groundwater. EPA’s file records it issued September 9, 2013 and expiring October 31, 2018. 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	GALLATIN GATEWAY COUNTY WATER AND SEWER DIST WWF
Permittee as filed	GALLATIN GATEWAY COUNTY WATER AND SEWER DIST
NPDES ID	MTX000229
Permit status	Effective
Permit type	State-issued individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 9, 2013
Expiration date	October 31, 2018
Issuing agency	MONTANA DEQ
Address	Gallatin Gateway, MT 59730
Receiving water	STATE GROUNDWATER
Subwatershed	Gallatin River-Gallatin Gateway (HUC 100200080704)
SIC	4952 – Sewerage Systems

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

8Pollutants on file
8Under a numeric limit
6With 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
Nitrogen, total [as N]	4	10
Flow rate	2	10
Nitrogen, ammonia total [as N]	2	10
Nitrogen, Kjeldahl, total [as N]	2	10
Nitrite + Nitrate total [as N]	2	10
Phosphorus, total [as P]	5	1
BOD, 5-day, 20 deg. C	1	0
Solids, total suspended	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTX000229.

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 MTX000229.

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, MTX000229.

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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 MTX000229 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 MTX000229, held by GALLATIN GATEWAY COUNTY WATER AND SEWER DIST WWF in Gallatin Gateway, MT, with a Minor discharger class and a status of Effective. The page lists 8 as the discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.