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Oppd Nebr City Station

Electric Services, major discharger, Nebraska City, Nebraska. NPDES permit NE0111635, in force until Jun 30, 2027. 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 (8 values), outfall 003 form M quarterly (14 values), outfall 007 form M quarterly (22 values), outfall 009 form M quarterly (6 values), outfall 009 form Q quarterly (4 values), outfall C01 form M quarterly (2 values), and 10 more forms
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 103 reports late

Limits in force (115)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 107 deg Fall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
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≤ .01 mg/Lall year001
Chlorine, total residualdaily maximum≤ .02 mg/Lall year001
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (toxic)all year001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (toxic)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year001
pHdaily minimum≥ 6.5 SUall year003
pHdaily maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendeddaily maximum≤ 100 mg/Lall year003
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year003
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year003
Arsenic, dissolved [as As]monthly averagereport only (mg/L)all year003
Arsenic, dissolved [as As]daily maximumreport only (mg/L)all year003
Cadmium, dissolved [as Cd]monthly averagereport only (mg/L)all year003
Cadmium, dissolved [as Cd]daily maximumreport only (mg/L)all year003
Chromium, dissolved [as Cr]monthly averagereport only (mg/L)all year003
Chromium, dissolved [as Cr]daily maximumreport only (mg/L)all year003
Copper, total [as Cu]monthly averagereport only (mg/L)all year003
Copper, total [as Cu]daily maximumreport only (mg/L)all year003
Iron, total [as Fe]monthly averagereport only (mg/L)all year003
Iron, total [as Fe]daily maximumreport only (mg/L)all year003
Lead, dissolved [as Pb]monthly averagereport only (mg/L)all year003
Lead, dissolved [as Pb]daily maximumreport only (mg/L)all year003
Nickel, dissolved [as Ni]monthly averagereport only (mg/L)all year003
Nickel, dissolved [as Ni]daily maximumreport only (mg/L)all year003
Zinc, dissolved [as Zn]monthly averagereport only (mg/L)all year003
Zinc, dissolved [as Zn]daily maximumreport only (mg/L)all year003
Selenium, dissolved [as Se]monthly averagereport only (mg/L)all year003
Selenium, dissolved [as Se]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)all year003
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)all year003
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)all year003
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)all year003
Mercury, dissolved [as Hg]monthly averagereport only (mg/L)all year003
Mercury, dissolved [as Hg]daily maximumreport only (mg/L)all year003
Duration of dischargemonthly averagereport only (d)all year003
Duration of dischargedaily maximumreport only (d)all year003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year007
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year007
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year007
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year007
BOD, 5-day, 20 deg. Cmonthly averagereport only (kg/d)all year007
BOD, 5-day, 20 deg. C7-day averagereport only (kg/d)all year007
pHdaily minimum≥ 6.5 SUall year007
pHdaily maximumreport only (SU)all year007
Solids, total suspendedmonthly average≤ 80 mg/Lall year007
Solids, total suspendeddaily maximum≤ 120 mg/Lall year007
Solids, total suspendedmonthly averagereport only (kg/d)all year007
Solids, total suspendeddaily maximumreport only (kg/d)all year007
Nitrogen, total [as N]monthly averagereport only (mg/L)all year007
Nitrogen, total [as N]daily maximumreport only (mg/L)all year007
Phosphorus, total [as P]monthly averagereport only (mg/L)all year007
Phosphorus, total [as P]daily maximumreport only (mg/L)all year007
E. coli, MTEC-MFgeometric meanreport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec007
E. coli, MTEC-MFgeometric mean≤ 126 #/100mLMay–Sep007
E. coli, MTEC-MFdaily maximumreport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec007
E. coli, MTEC-MFdaily maximum≤ 298 #/100mLMay–Sep007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Duration of dischargevaluereport only (d)all year007
Flow, totalvaluereport only (Mgal/mo)all year007
pHdaily minimum≥ 6.5 SUall year009
pHdaily maximum≤ 9 SUall year009
Chromium, total [as Cr]monthly average≤ .2 mg/Lall year009
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year009
Zinc, total [as Zn]monthly average≤ 1 mg/Lall year009
Zinc, total [as Zn]daily maximum≤ 1 mg/Lall year009
Priority Pollutantsmonthly averagereport only (mg/L)all year009
Priority Pollutantsdaily maximumreport only (mg/L)all year009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
Chlorine, free availablemonthly average≤ .2 mg/Lall year009
Chlorine, free availabledaily maximum≤ .5 mg/Lall year009
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (toxic)all year009
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year009
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (toxic)all year009
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year009
Freeboardminimum≥ 9 inall yearC01
Duration of dischargevaluereport only (d)all yearC01
Flow, totalvaluereport only (Mgal/mo)all yearC01
pHdaily minimum≥ 6.5 SUall yearL01
pHdaily maximum≤ 9 SUall yearL01
Solids, total suspendedmonthly average≤ 30 mg/Lall yearL01
Solids, total suspendeddaily maximum≤ 100 mg/Lall yearL01
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearL01
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall yearL01
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearL01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearL01
Solids, total suspendedmonthly averagereport only (mg/L)all yearN01
Solids, total suspendeddaily maximumreport only (mg/L)all yearN01
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearN01
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all yearN01
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearN01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearN01
pHdaily minimum≥ 6.5 SUall yearS01
pHdaily maximum≤ 9 SUall yearS01
Solids, total suspendedmonthly averagereport only (mg/L)all yearS01
Solids, total suspendeddaily maximumreport only (mg/L)all yearS01
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearS01
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (toxic)all yearS01
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all yearS01
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (toxic)all yearS01
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all yearS01
Duration of dischargemonthly averagereport only (d)all yearS01
Duration of dischargedaily maximumreport only (d)all yearS01

How strict are these limits?

Cited limits by parameter: Nebraska's rules and the federal ones.

Same industry: the 21 Electric Services permits in Nebraska.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NE0111635 · MCP: https://passage-data.com/mcp