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Sewage treatment plant, Medora, North Dakota. NPDES permit ND0022799, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | minimum | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | average | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) | all year | 001 |
| Stream flow, instantaneous | minimum | report only (cfs) | all year | 001 |
| Stream flow, instantaneous | average | report only (cfs) | all year | 001 |
| Stream flow, instantaneous | maximum | report only (cfs) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | annual average | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily minimum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 25 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 001 |
| Oil & Grease | daily minimum | report only (mg/L) | all year | 001 |
| Oil & Grease | annual average | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily minimum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily minimum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily minimum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | annual average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily minimum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | annual average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| E. coli | daily minimum | report only (#/100mL) | all year | 001 |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | all year | 001 |
| E. coli | daily maximum | ≤ 409 #/100mL | all year | 001 |
| E. coli | monthly maximum | ≤ 71.52 BCFU/d | all year | 001 |
| E. coli | daily maximum | ≤ 11.34 BCFU/d | all year | 001 |
| Flow, total | total | report only (Mgal) | all year | 001 |
| Solids, total dissolved [TDS] | daily minimum | report only (mg/L) | all year | 001 |
| Solids, total dissolved [TDS] | annual average | report only (mg/L) | all year | 001 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 001 |
| Duration of discharge | total | report only (d) | all year | 001 |
| Temperature, water deg. centigrade | minimum | report only (deg C) | all year | 002 |
| Temperature, water deg. centigrade | average | report only (deg C) | all year | 002 |
| Temperature, water deg. centigrade | maximum | report only (deg C) | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 002 |
| Oxygen, dissolved [DO] | annual average | report only (mg/L) | all year | 002 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | daily minimum | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 25 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 002 |
| Oil & Grease | daily minimum | report only (mg/L) | all year | 002 |
| Oil & Grease | annual average | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily minimum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily minimum | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | annual average | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily minimum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | annual average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily minimum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | annual average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| E. coli | daily minimum | report only (#/100mL) | all year | 002 |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | all year | 002 |
| E. coli | daily maximum | ≤ 409 #/100mL | all year | 002 |
| E. coli | monthly maximum | ≤ 71.52 BCFU/d | all year | 002 |
| E. coli | daily maximum | ≤ 11.34 BCFU/d | all year | 002 |
| Flow, total | total | report only (Mgal) | all year | 002 |
| Solids, total dissolved [TDS] | daily minimum | report only (mg/L) | all year | 002 |
| Solids, total dissolved [TDS] | annual average | report only (mg/L) | all year | 002 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 002 |
| Duration of discharge | total | report only (d) | all year | 002 |
Cited limits by parameter: North Dakota's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/ND0022799 · MCP: https://passage-data.com/mcp