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Omaha Missouri River WWTF

Sewage treatment plant, major discharger, Omaha, Nebraska. NPDES permit NE0036358, in force until Dec 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M quarterly (40 values), outfall 001 form Q quarterly (6 values), outfall INF form 1 quarterly (4 values), outfall INF form 2 quarterly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (70)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 45 mg/Lall year001
Solids, total suspended7-day average≤ 65 mg/Lall year001
Solids, total suspendedmonthly average≤ 8278 kg/dall year001
Solids, total suspended7-day average≤ 15746 kg/dall year001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 61.3 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 53.7 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 36.34 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 96.69 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 86.64 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 62.55 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 11276 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 9878 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 6685 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 23422 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 20988 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 15152 kg/dJun–Oct001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]monthly averagereport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Cadmium, dissolved [as Cd]monthly averagereport only (mg/L)all year001
Cadmium, dissolved [as Cd]daily maximumreport only (mg/L)all year001
Chromium, dissolved [as Cr]monthly averagereport only (mg/L)all year001
Chromium, dissolved [as Cr]daily maximumreport only (mg/L)all year001
Copper, dissolved [as Cu]monthly averagereport only (mg/L)all year001
Copper, dissolved [as Cu]daily maximumreport only (mg/L)all year001
Lead, dissolved [as Pb]monthly averagereport only (mg/L)all year001
Lead, dissolved [as Pb]daily maximumreport only (mg/L)all year001
Nickel, dissolved [as Ni]monthly averagereport only (mg/L)all year001
Nickel, dissolved [as Ni]daily maximumreport only (mg/L)all year001
Zinc, dissolved [as Zn]monthly averagereport only (mg/L)all year001
Zinc, dissolved [as Zn]daily maximumreport only (mg/L)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLMay–Sep001
E. coli, MTEC-MFdaily maximumreport only (#/100mL)May–Sep001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .1 mg/LMar–May001
Chlorine, total residualmonthly average≤ .13 mg/LJun–Oct001
Chlorine, total residualmonthly average≤ .1 mg/LJan, Feb, Nov, Dec001
Chlorine, total residualdaily maximum≤ .27 mg/LMar–May001
Chlorine, total residualdaily maximum≤ .33 mg/LJun–Oct001
Chlorine, total residualdaily maximum≤ .27 mg/LJan, Feb, Nov, Dec001
Toxicity [acute], Ceriodaphnia dubiavalue≤ 4.24 tox acuteJan, Feb, Nov, Dec001
Toxicity [acute], Ceriodaphnia dubiavalue≤ 4.02 tox acuteMar–May001
Toxicity [acute], Ceriodaphnia dubiavalue≤ 5.06 tox acuteJun–Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]value≤ 5.06 tox acuteJun–Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]value≤ 4.24 tox acuteJan, Feb, Nov, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]value≤ 4.02 tox acuteMar–May001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 60 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7358 kg/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 14534 kg/dall year001
pHvaluereport only (SU)all yearINF
pHvaluereport only (SU)all yearINF
Solids, total suspendedvaluereport only (mg/L)all yearINF
Solids, total suspendedvaluereport only (mg/L)all yearINF
Flow, in conduit or thru treatment plantvaluereport only (MGD)all yearINF
Flow, in conduit or thru treatment plantvaluereport only (MGD)all yearINF
BOD, carbonaceous [5 day, 20 C]valuereport only (mg/L)all yearINF
BOD, carbonaceous [5 day, 20 C]valuereport only (mg/L)all yearINF

How strict are these limits?

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/NE0036358 · MCP: https://passage-data.com/mcp