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Sewage treatment plant, major discharger, Beatrice, Nebraska. NPDES permit NE0020915, in force until Jun 30, 2028. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 42.37 kg/d | ≤ 15.42 kg/d | 175% |
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 8.31 mg/L | ≤ 3.01 mg/L | 176% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 11.85 kg/d | ≤ 7.69 kg/d | 54% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 2.47 mg/L | ≤ 1.5 mg/L | 65% |
| 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 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 340.7 kg/d | all year | 001 |
| Solids, total suspended | 7-day average | ≤ 511 kg/d | all year | 001 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | 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 | ≤ 9.56 mg/L | Jan, Feb, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.07 mg/L | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 19.17 mg/L | Jan, Feb, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 18.19 mg/L | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.01 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 49.37 kg/d | Jan, Feb, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 48.73 kg/d | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.69 kg/d | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 99.05 kg/d | Jan, Feb, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 97.77 kg/d | Mar–May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.42 kg/d | Jun–Oct | 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 |
| Cadmium, dissolved [as Cd] | monthly average | report only (mg/L) | all year | 001 |
| Cadmium, dissolved [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, dissolved [as Cr] | monthly average | report only (mg/L) | all year | 001 |
| Chromium, dissolved [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, dissolved [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, dissolved [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, dissolved [as Pb] | monthly average | report only (mg/L) | all year | 001 |
| Lead, dissolved [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, dissolved [as Ni] | monthly average | report only (mg/L) | all year | 001 |
| Nickel, dissolved [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, dissolved [as Zn] | monthly average | report only (mg/L) | all year | 001 |
| Zinc, dissolved [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 001 |
| Aluminum, dissolved [as Al] | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, dissolved [as Se] | monthly average | report only (mg/L) | all year | 001 |
| Selenium, dissolved [as Se] | daily maximum | report only (mg/L) | all year | 001 |
| E. coli, MTEC-MF | monthly average | ≤ 126 #/100mL | all year | 001 |
| E. coli, MTEC-MF | daily maximum | report only (#/100mL) | all year | 001 |
| Atrazine | monthly average | report only (mg/L) | all year | 001 |
| Atrazine | daily maximum | report only (mg/L) | all year | 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 |
| Toxicity [acute], Ceriodaphnia dubia | value | ≤ 1 tox acute | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | value | ≤ 1 tox acute | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 283.9 kg/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 454.2 kg/d | all year | 001 |
| 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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