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Johnson WWTF

Sewage treatment plant, Johnson, Nebraska. NPDES permit NE0037001, in force until Dec 31, 2028. Last 12 months: over a limit 2 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 87 days after each period: outfall 001 form M quarterly (26 values), outfall INF form A yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 3 of 13 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
April 2026BOD, 5-day, 20 deg. C, 7-day maximum61.6 mg/L≤ 45 mg/L37%
April 2026BOD, 5-day, 20 deg. C, monthly average57.05 mg/L≤ 30 mg/L90%

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. C7-day maximum≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (kg/d)all year001
BOD, 5-day, 20 deg. C7-day maximumreport only (kg/d)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 80 mg/Lall year001
Solids, total suspendeddaily maximum≤ 120 mg/Lall year001
Solids, total suspendedmonthly averagereport only (kg/d)all year001
Solids, total suspendeddaily maximumreport only (kg/d)all 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≤ 1.04 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .24 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .09 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 2.09 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .48 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .19 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .98 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .226 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .09 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.96 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .45 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .17 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
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLMay–Sep001
E. coli, MTEC-MFmonthly geometric meanreport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec001
E. coli, MTEC-MFdaily maximumreport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec001
E. coli, MTEC-MFdaily maximum≤ 298 #/100mLMay–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
Duration of dischargevaluereport only (d)all year001
Flow, totalvaluereport only (Mgal/mo)all year001
BOD, 5-day, 20 deg. Cvaluereport only (mg/L)all yearINF
pHvaluereport only (SU)all yearINF
Solids, total suspendedvaluereport only (mg/L)all yearINF
Flow, in conduit or thru treatment plantvaluereport only (MGD)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/NE0037001 · MCP: https://passage-data.com/mcp