EPA · Montana · discharge permits by parameter
LC50 Static 48Hr Acute Pimephales promelas in Montana
- 4Permits carrying a limit
- 0With a recorded exceedance
- 27Nationwide
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 LC50 Static 48Hr Acute Pimephales promelas: 4 permits, of which 0 have a recorded exceedance. Nationwide the same parameter appears in 27 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 |
|---|---|---|---|---|---|
| REC SILICON | MT0030350 | SILVER BOW | Industrial stormwater | Minor | SILVER BOW CREEK VIA SHEEP GULCH |
| CITY OF CHINOOK WWTP | MT0020125 | CHINOOK | Publicly owned treatment works | Minor | MILK RIVER |
| CITY OF CONRAD WWTF | MT0020079 | CONRAD | Publicly owned treatment works | Minor | DRY FORK MARIAS RIVER |
| WOLF MOUNTAIN COAL | MT0031411 | DECKER | Minor | SOUTH FORK MONUMENT CREEK |
Other pollutants in Montana
- Solids, suspended percent removal 97
- Chemical Oxygen Demand [COD] 63
- Sulfate 6
- Duration of discharge 60
- Xylene [mix of m+o+p] 6
- Radiation, gross alpha 3
- Flow, total 16
- Oil and grease visual 190
- Outfall observation,visual, y/n response 57
- Water level at sample collection time 91
- Report due [yrmoda] 29
- Monitoring well level from the surface 14
- Pass/Fail Static 48Hr Acute Ceriodaphnia dubia 12
- Pass/Fail Static 96 Hr Acute Pimephales Promelas 3
- Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia 39
- Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas 42
- Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia 3
- Pass/Fail Static Renewal 7Day Chronic Pimephales promelas 3
- Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia 4
- TU Static Renewal 96Hr Acute Pimphales promelas 4
LC50 Static 48Hr Acute Pimephales promelas nationwide
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