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Minden WWTF

Sewage treatment plant, Minden, Nebraska. NPDES permit NE0025411, in force until Jun 30, 2031. Last 12 months: over a limit 12 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 59 days after each period: outfall 001 form M quarterly (18 values), outfall 001 form Q quarterly (4 values), outfall 001 form R yearly, outfall INF form A yearly, outfall SLG form A yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
17 values over a limit, 0 required values missing, 1 of 18 reports late

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

Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], daily maximum11.26 kg/d≤ 2.13 kg/d429%
October 2025Nitrogen, ammonia total [as N], daily maximum14.9 mg/L≤ 2.93 mg/L409%
October 2025Nitrogen, ammonia total [as N], monthly average11.26 kg/d≤ 1.06 kg/d962%
October 2025Nitrogen, ammonia total [as N], monthly average14.9 mg/L≤ 1.46 mg/L921%
October 2025Solids, total suspended, monthly average35 mg/L≤ 30 mg/L17%
November 2025Nitrogen, ammonia total [as N], daily maximum14.2 mg/L≤ 4.91 mg/L189%
November 2025Nitrogen, ammonia total [as N], daily maximum9.96 kg/d≤ 3.62 kg/d175%
November 2025Nitrogen, ammonia total [as N], monthly average14.2 mg/L≤ 2.45 mg/L480%
November 2025Nitrogen, ammonia total [as N], monthly average9.96 kg/d≤ 1.81 kg/d450%
May 2026Solids, total suspended, 7-day average88 mg/L≤ 45 mg/L96%
May 2026Solids, total suspended, monthly average56.55 kg/d≤ 45.42 kg/d25%
May 2026Solids, total suspended, monthly average88 mg/L≤ 30 mg/L193%

Limits in force (54)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Oxygen, dissolved [DO]valuereport only (mg/L)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 45.42 kg/dall year001
Solids, total suspended7-day average≤ 68.13 kg/dall year001
Oil and grease, hexane extr methodvaluereport only (mg/L)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≤ 2.03 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.69 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 1.46 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 4.91 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 5.06 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 2.93 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.54 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.22 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 1.06 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 3.62 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3.66 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 2.13 kg/dJun–Oct001
Nitrogen, Kjeldahl, total [as N]valuereport only (mg/L)all year001
Nitrite + Nitrate total [as N]valuereport only (mg/L)all year001
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-MFvaluereport only (#/100mL)all 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
Solids, total dissolvedvaluereport only (mg/L)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≤ 37.85 kg/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 60.56 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, total, dry weight [as Se]valuereport only (mg/kg)all yearSLG
Arsenic total, dry weight, sludgevaluereport 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
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 (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/NE0025411 · MCP: https://passage-data.com/mcp