EPA · Montana · discharge permits by parameter
Oil and grease, hexane extr method in Montana
- 161Permits carrying a limit
- 13With a recorded exceedance
- 2,470Nationwide
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 Oil and grease, hexane extr method: 161 permits, of which 13 have a recorded exceedance. Nationwide the same parameter appears in 2,470 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 |
|---|---|---|---|---|---|
| PALEO SEARCH INC - SUCTION DREDGE PROJECT | MT0025020 | HELENA | Major | MISSOURI RIVER |
Other pollutants in Montana
- Specific conductance 86
- Sulfate [as S] 6
- Oxygen, dissolved [DO] 41
- BOD, 5-day, 20 deg. C 267
- Oxygen demand, chem. [low level] [COD] 3
- Oxygen demand, chem. [high level] [COD] 3
- pH 350
- Alkalinity, total [as CaCO3] 4
- Solids, total suspended 566
- Solids, settleable 11
- Oil & Grease 147
- Nitrogen, total [as N] 270
- Nitrogen, ammonia total [as N] 248
- Nitrogen, nitrite total [as N] 7
- Nitrogen, nitrate total [as N] 23
- Nitrogen, Kjeldahl, total [as N] 234
- Nitrite + Nitrate total [as N] 341
- Nitrogen, inorganic total 6
- Phosphorus, total [as P] 263
- Carbon, tot organic [TOC] 6
Oil and grease, hexane extr method nationwide
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