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Sewage treatment plant, Exeter, Nebraska. NPDES permit NE0040941, in force until Sep 30, 2027. Last 12 months: over a limit 3 times (last May 2026), 7 of 9 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | BOD, 5-day, 20 deg. C, monthly average | 40.3 mg/L | ≤ 30 mg/L | 34% |
| May 2026 | Solids, total suspended, daily maximum | 166 mg/L | ≤ 120 mg/L | 38% |
| May 2026 | Solids, total suspended, monthly average | 138 mg/L | ≤ 80 mg/L | 73% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (kg/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (kg/d) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 80 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 120 mg/L | all year | 001 |
| Solids, total suspended | monthly average | report only (kg/d) | all year | 001 |
| Solids, total suspended | daily maximum | report only (kg/d) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .53 mg/L | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .25 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.01 mg/L | Jan, Feb, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.07 mg/L | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .49 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.02 mg/L | Jan, Feb, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .71 kg/d | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .33 kg/d | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.33 kg/d | Jan, Feb, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.42 kg/d | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .65 kg/d | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.67 kg/d | Jan, Feb, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 #/100mL | May, Jun, Jul, Aug, Sep, Dec | 001 |
| E. coli, MTEC-MF | monthly geometric mean | report only (#/100mL) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 001 |
| E. coli, MTEC-MF | daily maximum | ≤ 298 #/100mL | May, Jun, Jul, Aug, Sep, Dec | 001 |
| E. coli, MTEC-MF | daily maximum | report only (#/100mL) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 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 |
| Duration of discharge | value | report only (d) | all year | 001 |
| Flow, total | value | report only (Mgal/mo) | all year | 001 |
| BOD, 5-day, 20 deg. C | value | report only (mg/L) | all year | INF |
| pH | daily minimum | report only (SU) | 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 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Nitrogen, ammonia total [as N], daily maximum | 0.89 kg/d (Mar–May) | tighter | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 0.59 mg/L (Mar–May) | tighter | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 1.99 mg/L (Jan, Feb, Nov, Dec) | tighter | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 0.33 mg/L (Jun–Oct) | tighter | — | — |
| Nitrogen, ammonia total [as N], daily maximum | 0.45 kg/d (Jun–Oct) | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 0.29 mg/L (Mar–May) | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 0.45 kg/d (Mar–May) | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 0.99 mg/L (Jan, Feb, Nov, Dec) | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 0.22 kg/d (Jun–Oct) | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 0.16 mg/L (Jun–Oct) | tighter | — | — |
Cited limits by parameter: Nebraska's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/NE0040941 · MCP: https://passage-data.com/mcp