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Coleridge WWTF

Sewage treatment plant, Coleridge, Nebraska. NPDES permit NE0025429, in force until Jun 30, 2028. Last 12 months: over a limit 16 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M quarterly (20 values), outfall 001 form Q quarterly (4 values), outfall INF form A yearly, outfall SLG form A yearly
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 18 reports late

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

All 16 values over a limit
Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia total [as N], daily maximum39.6 mg/L≤ 6.98 mg/L467%
January 2026Nitrogen, ammonia total [as N], daily maximum6 kg/d≤ 1.24 kg/d384%
January 2026Nitrogen, ammonia total [as N], monthly average39.6 mg/L≤ 2.19 mg/L1708%
January 2026Nitrogen, ammonia total [as N], monthly average6 kg/d≤ .39 kg/d1438%
January 2026Solids, total suspended, monthly average41 mg/L≤ 30 mg/L37%
January 2026Solids, total suspended, monthly average6.2 kg/d≤ 5.68 kg/d9%
February 2026Nitrogen, ammonia total [as N], daily maximum37.2 mg/L≤ 6.98 mg/L433%
February 2026Nitrogen, ammonia total [as N], daily maximum5.21 kg/d≤ 1.24 kg/d320%
February 2026Nitrogen, ammonia total [as N], monthly average37.2 mg/L≤ 2.19 mg/L1599%
February 2026Nitrogen, ammonia total [as N], monthly average5.21 kg/d≤ .39 kg/d1236%
February 2026Solids, total suspended, monthly average59 mg/L≤ 30 mg/L97%
February 2026Solids, total suspended, monthly average8.27 kg/d≤ 5.68 kg/d46%
February 2026Solids, total suspended, weekly average59 mg/L≤ 45 mg/L31%
March 2026Nitrogen, ammonia total [as N], daily maximum28.6 mg/L≤ 19.81 mg/L44%
March 2026Nitrogen, ammonia total [as N], monthly average28.6 mg/L≤ 6.59 mg/L334%
March 2026Nitrogen, ammonia total [as N], monthly average3.04 kg/d≤ 1.04 kg/d192%

Limits in force (51)

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≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 5.68 kg/dall year001
Solids, total suspendedweekly average≤ 8.52 kg/dall 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≤ 2.19 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 6.59 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 5.14 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 6.98 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 19.81 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 10.31 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .39 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.04 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .72 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.24 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3.13 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 1.44 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-MFmaximum≤ 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
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4.73 kg/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 7.57 kg/dall year001
pHvaluereport only (SU)all yearINF
Solids, total suspendedvaluereport only (mg/L)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
pHvaluereport only (SU)all yearSLG
Nitrate nitrogen, dry weightvaluereport only (mg/kg)all yearSLG
Selenium, sludge solidvaluereport only (mg/kg)all yearSLG
Arsenic, sludge tot. dry wt [as As]valuereport only (mg/kg)all yearSLG
Molybdenum, sludge, total, dry weight [as Mo]valuereport only (mg/kg)all yearSLG
Zinc, sludge, total, dry weight [as Zn]valuereport only (mg/kg)all yearSLG
Lead, sludge, total, dry weight [as Pb]valuereport only (mg/kg)all yearSLG
Nickel, sludge, total, dry weight [as Ni]valuereport only (mg/kg)all yearSLG
Nitrogen, sludge, total, dry weight [as N]valuereport only (mg/kg)all yearSLG
Mercury, sludge, total, dry weight [as Hg]valuereport only (mg/kg)all yearSLG
Chromium, sludge, total, dry weight [as Cr]valuereport only (mg/kg)all yearSLG
Copper, sludge, total, dry weight [as Cu]valuereport only (mg/kg)all yearSLG
Cadmium, sludge, total, dry weight [as Cd]valuereport only (mg/kg)all yearSLG
Solids, sludge, total, dry weightvaluereport only (mg/kg)all yearSLG
Nitrogen, ammonia, sludge, tot dry wgtvaluereport only (mg/kg)all yearSLG

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/NE0025429 · MCP: https://passage-data.com/mcp