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Madrid Wastewater Treatment Facility

Sewage treatment plant, Madrid, Nebraska. NPDES permit NE0139289, in force until Dec 31, 2026. Last 12 months: over a limit 3 times (last November 2025), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 58 days after each period: outfall 001 form M quarterly (25 values), outfall INF form A yearly
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, 7-day average49.2 mg/L≤ 45 mg/L9%
November 2025BOD, 5-day, 20 deg. C, monthly average49.2 mg/L≤ 30 mg/L64%
November 2025Nitrogen, ammonia total [as N], monthly average1.4 mg/L≤ .76 mg/L84%

Limits in force (39)

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]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≤ .76 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .49 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .3 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 1.52 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .98 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .6 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .29 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .18 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .11 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ .58 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .37 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .23 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 meanreport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec001
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLMay–Sep001
E. coli, MTEC-MFdaily maximum≤ 298 #/100mLMay–Sep001
E. coli, MTEC-MFdaily maximumreport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec001
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
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.

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/NE0139289 · MCP: https://passage-data.com/mcp