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Sewage treatment plant, major discharger, Seward, Nebraska. NPDES permit NE0023876, in force until Jun 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 002 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 114.7 kg/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 172 kg/d | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 15.91 mg/L | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 31.19 mg/L | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.87 mg/L | Jun–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 39.82 mg/L | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 61.1 mg/L | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.78 mg/L | Jun–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 44.57 kg/d | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 91.25 kg/d | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 21.14 kg/d | Jun–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 111.53 kg/d | Jan, Feb, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 178.76 kg/d | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 42.41 kg/d | Jun–Oct | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| E. coli, MTEC-MF | geometric mean | ≤ 126 #/100mL | May–Sep | 002 |
| E. coli, MTEC-MF | daily maximum | ≤ 298 #/100mL | May–Sep | 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 |
| Toxicity [acute], Ceriodaphnia dubia | value | ≤ 1 toxic | all year | 002 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | value | ≤ 1 toxic | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 95.6 kg/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 152.9 kg/d | all year | 002 |
| pH | value | report only (SU) | all year | INF |
| Solids, total suspended | value | report only (mg/L) | all year | INF |
| Flow, in conduit or thru treatment plant | value | report only (MGD) | all year | INF |
| BOD, carbonaceous [5 day, 20 C] | value | report only (mg/L) | all year | INF |
Cited limits by parameter: Nebraska'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/NE0023876 · MCP: https://passage-data.com/mcp