EPA · discharge permits by watershed

Watershed 1003010113

153Current permits
1States
4Subwatersheds

A watershed is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Montana. Each permit is placed by the outfall EPA names as its representative discharge point.

By state

Montana144

Subwatersheds inside this watershed

Permits discharging here

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
AASF CH-47 ADD/ALT PHASE 2	MTR102301	HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
AIR LIQUIDE INDUSTRIAL US LP	MT0000426	EAST HELENA	MT		Minor	PRICKLY PEAR CREEK
AIR LIQUIDE LARGE INDUSTRIES	MTR000006	EAST HELENA	MT	Industrial stormwater	Minor	PRICKLY PEAR CREEK
AIRPORT BARROW	MTR104819	HELENA	MT	Construction stormwater	Minor	RETENTION POND VIA DRAINS
AIRPORT BORROW 2021	MTR108745	HELENA	MT	Construction stormwater	Minor	HELENA VALLEY CANAL
AMERICAN CHEMET CORPORATION	MTR000475	EAST HELENA	MT	Industrial stormwater	Minor	PRICKLY PEAR CREEK
ARTISAN VILLAGE	MTR111577	HELENA	MT	Construction stormwater	Minor	HELENA VALLEY CANAL
ASARCO	MTR108676	EAST HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
ASARCO - METG - EAST HELENA SMELTER	MT0030147	EAST HELENA	MT		Minor	PRICKLY PEAR CREEK
ASARCO EAST HELENA SMELTER - METG	MTR000072	EAST HELENA	MT	Industrial stormwater	Minor	PRICKLY PEAR CREEK
ASH GROVE CEMENT CO	MTR300113	CLANCY	MT	Industrial stormwater	Minor	PRICKLY PEAR CREEK
ASH GROVE CEMENT CO MONTANA CITY PLANT	MTR000523	CLANCY	MT	Industrial stormwater	Minor	PRICKLY PEAR CREEK
ASH GROVE CEMENT COMPANY - MONTANA CITY PLANT	MT0000451	CLANCY	MT		Minor	PRICKLY PEAR CREEK
AVIATION SUPPORT FACILITY	MTR000428	HELENA	MT	Industrial stormwater	Minor	HELENA VALLEY CANAL
BENEFIS HEALTH SYSTEMS	MTR109860	HELENA	MT	Construction stormwater	Minor	UNKNOWN
BFS GROUP LLC – HELENA MT TRUSS/PANEL	MTR000418	HELENA	MT	Industrial stormwater	Minor	PRICKLY PEAR CREEK VIA STORM SEWER
BNSF - HELENA RAIL YARD	MTR000361	HELENA	MT	Industrial stormwater	Minor	HELENA STORM SEWER
BOEING WAREHOUSE ADDITION	MTR111272	HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
BUILDER'S FIRST SOURCE	MTR111052	HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
BULLOCK CONTRACTING - KMART PONDS CITY PROJECT 09-10	MTR104781	HELENA	MT	Construction stormwater	Minor	LAKE HELENA
CAIRD ENGINEERING WORKS DEMOLITION AND CLEANUP	MTR105647	HELENA	MT	Construction stormwater	Minor	CITY OF HELENA
CALIBER COLLISION	MTR109479	HELENA	MT	Construction stormwater	Minor	HELENA VALLEY CANAL
CANYON RIVER GOLF CLUB SINGLE COUNTY PESTICIDE	MTG870004	EAST MISSOULA	MT		Minor	MIDDLE CLARK FORK RIVER
CAR WASH & COFFEE SHOP	MTR111793	HELENA	MT	Construction stormwater	Minor	HELENA VALLEY CANAL
CASCADE COUNTY WEED AND MOSQUITO PESTICIDE	MTG870023	GREAT FALLS	MT		Minor	CASCADE COUNTY
CHICK-FIL-A HELENA	MTR111721	HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
CITY OF CONRAD MOSQUITO ABATEMENT	MTG870017	CONRAD	MT		Minor	PONDERA COUNTY
CITY OF FORT BENTON PESTICIDE	MTG870018	FORT BENTON	MT		Minor	CHOUTEAU COUNTY
CITY OF HELENA	MTL022641	HELENA	MT	Biosolids	Minor	Lower Prickley Pear Gulch
CITY OF HELENA DISCHARGE OF TREATED WATER TO MS4 SYSTEM	MTG770024	HELENA	MT		Minor	CITY OF HELENA STORM DRAIN SYSTEM
CITY OF HELENA MS-4	MTR040003	HELENA	MT	Small municipal storm sewer systems	Minor	TEN MILE CREEK AND PRICKLY PEAR CREEK
CITY OF KALISPELL SMALL MS-4	MTR040005	KALISPELL	MT	Small municipal storm sewer systems	Minor	FLATHEAD RIVER, ASHLEY CREEK
COMMODITIES WAREHOUSE ADDITION	MTR109834	HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
CONFLUENCE APARTMENTS	MTR110860	HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
CRAIG - WOLF CREEK MOSQUITO CONROL DISTRICT PESTICIDE	MTG870031	HELENA	MT		Minor	LEWIS AND CLARK COUNTY
CUSTER COUNTY MOSQUITO ABATEMENT DISTRICT	MTG870009	MILES CITY	MT		Minor	LOWER TONGUE RIVER UNIT
DIAMOND CONSTRUCTION - HELENA 3 CONVENIENCE STORE AND CASINO	MTR104412	HELENA	MT	Construction stormwater	Minor	HELENA MS4 SYSTEM
DIAMOND CONSTRUCTION - INTERMOUNTAIN COTTAGES	MTR104776	HELENA	MT	Construction stormwater	Minor	CITY OF HELENA MS4
DICK ANDERSON CONSTRUCTION INC - SUMMIT AERONAUTICS	MTR102461	HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK
EAST HELENA SMELTER RCRA CORRECTIVE ACTION	MTR106047	EAST HELENA	MT	Construction stormwater	Minor	PRICKLY PEAR CREEK