EPA · discharge permits by watershed
Lake Helena (subwatershed 100301011504)
- 19Current permits
- 1States
A subwatershed 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
- Montana19
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| EAST OF EAST HELENA - EAST | MTR109322 | EAST HELENA | MT | Construction stormwater | Minor | CORRAL CREEK |
| FIRST STUDENT INC - BIG SKY LOOP HELENA | MTRNE0027 | HELENA | MT | Industrial stormwater | Minor | Lake Helena |
| FOX CROSSING III SUBDIVISION | MTX000174 | EAST HELENA | MT | Minor | CLASS I GROUND WATER | |
| GRAND VISTA INFRASTRUCTURE | MTR108538 | HELENA | MT | Construction stormwater | Minor | HELENA VALLEY CANAL |
| GREY ROCK MAJOR SUBDIVISION | MTR105559 | HELENA | MT | Construction stormwater | Minor | LAKE HELENA |
| GREY ROCK MAJOR SUBDIVISION | MTX000226 | HELENA | MT | Minor | STATE GROUNDWATER | |
| HAYFIELD ESTATES II LOT 25 JAMOR SUBDIVISION WASTEWATER TREATMENT SYSTEM | MTX000190 | HELENA | MT | Minor | GROUND WATER | |
| HIGHLAND MEADOWS SUBDIVISION | MTR108431 | EAST HELENA | MT | Construction stormwater | Minor | PRICKLY PEAR CREEK |
| LEWIS AND CLARK COUNTY LANDFILL | MTR000363 | HELENA | MT | Industrial stormwater | Minor | LAKE HELENA |
| LOT 2 OF THE AMBLESIDE MINOR SUBDIVISION | MTR103234 | HELENA | MT | Construction stormwater | Minor | UNNAMED COULEE |
| RED FOX MEADOWS SUBDIVISION | MTR106351 | HELENA | MT | Construction stormwater | Minor | UPPER MISSOURI |
| SMITH SUBDIVISIONS | MTR108077 | HELENA | MT | Construction stormwater | Minor | HELENA VALLEY CANAL |
| SMITH SUBDIVISIONS PUBLIC WASTEWATER TREATMENT SYSTEM | MTX000268 | EAST HELENA | MT | Minor | GROUND WATER | |
| EAST HELENA WWTF | MTX000311 | EAST HELENA | MT | Minor | PRICKLY PEAR CREEK | |
| FETHERSTON CAR WASH | MTX000227 | HELENA | MT | Minor | PRICKLY PEAR CREEK NEAREST | |
| LEISURE VILLAGE SUBDIVISION | MTX000187 | HELENA | MT | Minor | VARIOUS IRRIGATION DITCHES | |
| RED FOX STORAGE LLC MINI STORAGE DEVELOPMENT | MTR109004 | EAST HELENA | MT | Construction stormwater | Minor | LAKE HELENA |
| TEST | MTR111543 | HELENA | MT | Construction stormwater | Minor | LAKE HELENA |
| TEST | MTG071364 | HELENA | MT | Minor | LAKE HELENA |