EPA · Montana · discharge permits by parameter
Sodium adsorption ratio in Montana
- 8Permits carrying a limit
- 2With a recorded exceedance
- 252Nationwide
A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Montana permits that carry one for Sodium adsorption ratio: 8 permits, of which 2 have a recorded exceedance. Nationwide the same parameter appears in 252 permits. Each row below is one permit, and it opens the agency’s own record for that permit.
Permits
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| WESTERN ENERGY CO - ROSEBUD MINE | MT0023965 | COLSTRIP | Major | SEVERAL STREAMS AND CREEKS | |
| DECKER COAL CO (WEST MINE) | MT0000892 | DECKER | Major | TONGUE RIVER RESERVOIR | |
| CITY OF MISSOULA WWTP | MT0022594 | MISSOULA | Publicly owned treatment works | Major | CLARK FORK RIVER |
| DECKER COAL CO (EAST MINE) | MT0024210 | DECKER | Major | TONGUE RIVER RESERVOIR |
Other pollutants in Montana
- Cyanide, total [as CN] 26
- Sulfide, total [as S] 6
- Sulfide, dissolved, [as S] 3
- Hardness, total [as CaCO3] 57
- Calcium, total [as Ca] 4
- Calcium, total recoverable 5
- Magnesium, total recoverable 4
- Sodium, total recoverable 4
- Magnesium, total [as Mg] 4
- Sodium, total [as Na] 3
- Chloride [as Cl] 82
- Sulfate, total [as SO4] 32
- Fluoride 5
- Fluoride, total [as F] 14
- Arsenic, total recoverable 53
- Iron, total recoverable 41
- Selenium, total recoverable 41
- Thallium, total recoverable 23
- Beryllium, total recoverable [as Be] 21
- Boron, total recoverable 5
Sodium adsorption ratio nationwide
What this page shows
This page covers Clean Water Act discharge permits in MT with limits on the pollutant parameter Sodium adsorption ratio. It lists 8 permits in MT with a limit on this parameter and 6 permits in MT with a recorded violation of this parameter.