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Sewage treatment plant, Keshena, Wisconsin. NPDES permit WI0071315, in force until Jan 27, 2030. Last 12 months: over a limit 3 times (last August 2026), 14 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | Oxygen, dissolved [DO], daily minimum | 4.9 mg/L | ≥ 5 mg/L | 2% |
| July 2026 | E. coli, daily maximum | 397 #/100mL | ≤ 235 #/100mL | 69% |
| August 2026 | Oxygen, dissolved [DO], daily minimum | 4.8 mg/L | ≥ 5 mg/L | 4% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | 30-day average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | 30-day average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | 30-day average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | 7-day average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | 7-day average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | 7-day average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 8.5 SU | all year |
| pH | daily maximum | ≤ 8.5 SU | all year |
| pH | daily maximum | ≤ 8.5 SU | all year |
| pH | daily minimum | report only (SU) | all year |
| pH | daily minimum | report only (SU) | all year |
| pH | daily minimum | report only (SU) | all year |
| pH | daily maximum | report only (SU) | all year |
| pH | daily maximum | report only (SU) | all year |
| pH | daily maximum | report only (SU) | all year |
| Solids, total suspended | 30-day average | ≤ 20 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 20 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 20 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 30 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 30 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 30 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 56 lb/d | all year |
| Solids, total suspended | 30-day average | ≤ 56 lb/d | all year |
| Solids, total suspended | 30-day average | ≤ 56 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 84 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 84 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 84 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.59 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.59 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.59 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.87 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.87 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.87 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.87 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.87 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.87 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 9.87 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 15.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 15.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 15.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 27.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 27.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 27.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27.6 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 27.6 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 2 lb/d | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 2 lb/d | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 2 lb/d | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 2.8 lb/d | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 2.8 lb/d | all year |
| Phosphorus, total [as P] | 30-day average | ≤ 2.8 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 5.6 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 5.6 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 5.6 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 5.6 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 5.6 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 5.6 lb/d | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Phosphorus, total [as P] | 30-day average | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | May–Sep |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | May–Sep |
| E. coli | 30-day geometric mean | ≤ 126 #/100mL | May–Sep |
| E. coli | daily maximum | ≤ 235 #/100mL | May–Sep |
| E. coli | daily maximum | ≤ 235 #/100mL | May–Sep |
| E. coli | daily maximum | ≤ 235 #/100mL | May–Sep |
| Phosphorus, Total | 6-month average | report only (mg/L) | Jun, Nov |
| Phosphorus, Total | 6-month average | report only (mg/L) | Jun, Nov |
| Phosphorus, Total | 6-month average | report only (mg/L) | Jun, Nov |
| Phosphorus, Total | 6-month average | report only (lb) | Jun, Nov |
| Phosphorus, Total | 6-month average | report only (lb) | Jun, Nov |
| Phosphorus, Total | 6-month average | report only (lb) | Jun, Nov |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 30 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 30 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 30 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 56 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 56 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 56 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 84 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 84 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 84 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| Outfall observation,visual, y/n response | 30-day average | report only (Y=0;N=1) | all year |
| Outfall observation,visual, y/n response | 30-day average | report only (Y=0;N=1) | all year |
| Outfall observation,visual, y/n response | 30-day average | report only (Y=0;N=1) | all year |
Cited limits by parameter: Wisconsin'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/WI0071315 · MCP: https://passage-data.com/mcp