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Sewage treatment plant, Arcadia, Nebraska. NPDES permit NE0041297, in force until Jun 30, 2031. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| June 2026 | pH, minimum | 6.4 SU | ≥ 6.5 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Conductivity | monthly average | report only (umho/cm) | all year | 002 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | 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, nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | 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 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | report only (kg/d) | all year | 003 |
| BOD, 5-day, 20 deg. C | 7-day average | report only (kg/d) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | report only (SU) | all year | 003 |
| Solids, total suspended | monthly average | ≤ 80 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 120 mg/L | all year | 003 |
| Solids, total suspended | monthly average | report only (kg/d) | all year | 003 |
| Solids, total suspended | daily maximum | report only (kg/d) | all year | 003 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar–May | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .92 mg/L | Jun–Oct | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar–May | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.84 mg/L | Jun–Oct | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (kg/d) | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (kg/d) | Mar–May | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .13 kg/d | Jun–Oct | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (kg/d) | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (kg/d) | Mar–May | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .26 kg/d | Jun–Oct | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 003 |
| E. coli, MTEC-MF | geometric mean | ≤ 126 #/100mL | May–Sep | 003 |
| E. coli, MTEC-MF | monthly geometric mean | report only (#/100mL) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| E. coli, MTEC-MF | maximum | ≤ 298 #/100mL | May–Sep | 003 |
| E. coli, MTEC-MF | daily maximum | report only (#/100mL) | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Duration of discharge | value | report only (d) | all year | 003 |
| Flow, total | value | report only (MGD) | all year | 003 |
| 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/NE0041297 · MCP: https://passage-data.com/mcp