Clean Water Act discharge permit · NPDES MTG130014

FLATHEAD LAKE SALMON HATCHERY, Somers, MT: NPDES MTG130014 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

FLATHEAD LAKE SALMON HATCHERY, held by MONTANA FISH WILDLIFE AND PARKS, holds NPDES permit MTG130014, which discharges to Flathead Lake. EPA’s file records it issued August 23, 2011 and expiring June 30, 2016.

FLATHEAD LAKE SALMON HATCHERY, Somers, Montana: Coverage under a general permit MTG130014, held by MONTANA FISH WILDLIFE AND PARKS; Effective; issued August 23, 2011, term to June 30, 2016, by MONTANA DEQ; discharges to FLATHEAD LAKE.

Flow rate: 2 limits, 24 violations of any kind, 0 effluent exceedances.
Fish feed used: 2 limits, 24 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 0 limits, 18 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 1 limit, 14 violations of any kind, 0 effluent exceedances.
Polychlorinated biphenyls [PCBs]: 1 limit, 4 violations of any kind, 0 effluent exceedances.

September 10, 2026: Letter of Violation/ Warning Letter (State).
March 12, 2026: Letter of Violation/ Warning Letter (State).

Other permits held by MONTANA FISH WILDLIFE AND PARKS

MONTANA FISH WILDLIFE AND PARKS LAKE FIVE 318, Coram: MTB007411
MURRAY SPRINGS FISH HATCHERY, Eureka: MTG130001, issued August 22, 2011
GIANT SPRINGS FISH HATCHERY, Great Falls: MTG130002, issued August 22, 2011
BIG SPRINGS HATCHERY, Lewistown: MTG130003, issued August 22, 2011
BIG SPRINGS TROUT HATCHERY, Lewistown: MTG130004, issued August 22, 2011
YELLOWSTONE RIVER HATCHERY, Big Timber: MTG130011, issued August 23, 2011
BLUEWATER SPRINGS HATCHERY, Bridger: MTG130012, issued August 23, 2011
WASHOE PARK TROUT HATCHERY, Anaconda: MTG130013, issued August 23, 2011
MFWP MILES CITY FISH HATCHERY, Miles City: MTG130015, issued August 23, 2011
FORT PECK MULTI SPECIES FISH HATCHERY, Fort Peck Dredge Cuts Fishing Access Site: MTG130017, issued August 23, 2011

FLATHEAD LAKE SALMON HATCHERY among its neighbors

EPA’s permit file holds 11 discharge permits in the Flathead Lake-Somers subwatershed (HUC 170102080301), MTG130014 among them. Its county holds 336, 3 of them major permits; MTG130014 is a minor permit.

Other permits in the Flathead Lake-Somers subwatershed (HUC 170102080301)

BFS GROUP LLC – KALISPELL MT TRUSS/PANEL, Kalispell: MTR000419, minor permit, discharging to ASHLEY CREEK, permit term to January 31, 2023
CROWN JEWEL ESTATES, Kalispell: MTX000200, not classed, discharging to FENNON SLOUGH TO FLATHEAD RIVER
FLAC OVERFLOW PARKING, Lakeside: MTR111743, minor permit, discharging to FLATHEAD LAKE, permit term to December 31, 2027
FLATHEAD ADVENTURE PARK, Lakeside: MTR109568, minor permit, discharging to FLATHEAD LAKE, permit term to December 31, 2022
KIDS SPORTS ADDITIONAL INFRASTRUCTURE IMPROVEMENTS, Kalispell: MTR106878, minor permit, discharging to FLATHEAD LAKE, permit term to December 31, 2017
LAKESIDE GRAVITY MAIN REPLACEMENT, Lakeside: MTG071453, minor permit, discharging to STONER CREEK, permit term to April 30, 2030
LAKESIDE GRAVITY MAIN REPLACEMENT, Lakeside: MTR111970, minor permit, discharging to FLATHEAD LAKE, permit term to December 31, 2027
LAKESIDE WASTEWATER IMPROVEMENTS, Kalispell: MTR111298, minor permit, discharging to REEDS SLOUGH, permit term to December 31, 2027
LCWSD RAPID INFILTRATION SYSTEM, Kalispell: MTX000307, minor permit, discharging to GROUND WATER, permit term to May 31, 2030
WEE CASA RV PARK, Kalispell: MTR111768, minor permit, discharging to FLATHEAD LAKE, permit term to December 31, 2027

Identity

Facility as filed	FLATHEAD LAKE SALMON HATCHERY
Permittee as filed	MONTANA FISH WILDLIFE AND PARKS
NPDES ID	MTG130014
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 23, 2011
Expiration date	June 30, 2016
Issuing agency	MONTANA DEQ
Address	Somers, MT 59932
Receiving water	FLATHEAD LAKE
Receiving water impaired	303(D) Listed
Subwatershed	Flathead Lake-Somers (HUC 170102080301)

Effluent limits and exceedances

8Pollutants on file
4Under a numeric limit
8With 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
Flow rate	2	24
Fish feed used	2	24
Nitrogen, total [as N]	0	18
Nitrogen, Kjeldahl, total [as N]	0	18
Nitrite + Nitrate total [as N]	0	18
Phosphorus, total [as P]	0	18
Solids, total suspended	1	14
Polychlorinated biphenyls [PCBs]	1	4

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG130014.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTG130014.

Inspections

EPA’s inspection file holds no inspection for NPDES MTG130014.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

Date	What EPA recorded	Agency
September 10, 2026	Letter of Violation/ Warning Letter	State
March 12, 2026	Letter of Violation/ Warning Letter	State

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

This public-records page covers NPDES permit MTG130014 for the Flathead Lake Salmon Hatchery in Somers, MT, held by Montana Fish Wildlife and Parks and discharging to Flathead Lake. The page lists 8 pollutants on file, 4 of them under a numeric limit, 8 with a violation of any kind, and 0 with an effluent exceedance.