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Howells WWTF

Sewage treatment plant, Howells, Nebraska. NPDES permit NE0046205 expired Mar 31, 2026; its limits still apply. Last 12 months: over a limit 2 times (last October 2025), 1 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M quarterly (24 values), outfall INF form A yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 13 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, daily maximum1820 mg/L≤ 120 mg/L1417%
October 2025Solids, total suspended, monthly average936 mg/L≤ 80 mg/L1070%

Limits in force (37)

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 average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (kg/d)all year001
BOD, 5-day, 20 deg. C7-day averagereport only (kg/d)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximumreport only (SU)all 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]valuereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ .3 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .16 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .81 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .61 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .33 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.63 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .55 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .33 kg/dJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.47 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 1.11 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .65 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 2.95 kg/dJan, Feb, Nov, Dec001
Phosphorus, total [as P]valuereport only (mg/L)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 CFU/100mLMay–Sep001
E. coli, MTEC-MFdaily maximum≤ 298 CFU/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
pHdaily minimumreport only (SU)all yearINF
pHdaily maximumreport 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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NE0046205 · MCP: https://passage-data.com/mcp