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Sewage treatment plant, Sutherland, Nebraska. NPDES permit NE0139653, in force until Jun 30, 2031. Last 12 months: over a limit 5 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| February 2026 | BOD, 5-day, 20 deg. C, monthly average | 32.9 mg/L | ≤ 30 mg/L | 10% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 68.9 kg/d | ≤ 4.56 kg/d | 1411% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 8.6 mg/L | ≤ 5.58 mg/L | 54% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 50.4 kg/d | ≤ 2.27 kg/d | 2120% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 6.3 mg/L | ≤ 2.78 mg/L | 127% |
| 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 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (kg/d) | all year | 002 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (kg/d) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 80 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 120 mg/L | all year | 002 |
| Solids, total suspended | monthly average | report only (kg/d) | all year | 002 |
| Solids, total suspended | daily maximum | report only (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 | ≤ .29 mg/L | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .19 mg/L | Jun–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.04 mg/L | Jan, Feb, Oct, Nov | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .58 mg/L | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .38 mg/L | Jun–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.09 mg/L | Jan, Feb, Oct, Nov | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .27 kg/d | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .18 kg/d | Jun–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .98 kg/d | Jan, Feb, Oct, Nov | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .55 kg/d | Mar–May | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .36 kg/d | Jun–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.97 kg/d | Jan, Feb, Oct, Nov | 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 | monthly geometric mean | ≤ 126 #/100mL | May–Sep | 002 |
| E. coli, MTEC-MF | monthly geometric mean | report only (#/100mL) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 002 |
| E. coli, MTEC-MF | daily maximum | ≤ 298 #/100mL | May–Sep | 002 |
| E. coli, MTEC-MF | daily maximum | report only (#/100mL) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 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 |
| Duration of discharge | monthly average | report only (d) | all year | 002 |
| Duration of discharge | daily maximum | report only (d) | all year | 002 |
| Flow, total | monthly average | report only (Mgal/mo) | all year | 002 |
| Flow, total | daily maximum | report only (Mgal/mo) | all year | 002 |
| BOD, 5-day, 20 deg. C | value | report only (mg/L) | all year | INF |
| 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 |
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/NE0139653 · MCP: https://passage-data.com/mcp