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Thomas Lakes Subdivision WWTF

Sewerage Systems, Ashland, Nebraska. NPDES permit NE0133167 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit 21 times (last September 2026), 4 required values missing, 8 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M quarterly (16 values), outfall 001 form P every 60 months (4 values), outfall 001 form Q quarterly (8 values), outfall INF form A yearly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
36 values over a limit, 1 required value missing, 8 of 18 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average56.4 mg/L≤ 25 mg/L126%
October 2025BOD, carbonaceous [5 day, 20 C], weekly average56.4 mg/L≤ 40 mg/L41%
November 2025Solids, total suspended, monthly average34 mg/L≤ 30 mg/L13%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average57.2 mg/L≤ 25 mg/L129%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average57.2 mg/L≤ 40 mg/L43%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average63 mg/L≤ 25 mg/L152%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average63 mg/L≤ 40 mg/L58%
January 2026Solids, total suspended, monthly average45 mg/L≤ 30 mg/L50%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average72.3 mg/L≤ 25 mg/L189%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average72.3 mg/L≤ 40 mg/L81%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average57.3 mg/L≤ 25 mg/L129%
March 2026BOD, carbonaceous [5 day, 20 C], weekly average57.3 mg/L≤ 40 mg/L43%
May 2026E. coli, MTEC-MF, monthly geometric mean202.15 #/100mL≤ 126 #/100mL60%
June 2026E. coli, MTEC-MF, daily maximum> 4839.2 #/100mL≤ 298 #/100mL—
June 2026E. coli, MTEC-MF, monthly geometric mean> 4839.2 #/100mL≤ 126 #/100mL—
July 2026E. coli, MTEC-MF, daily maximum> 2419.6 #/100mL≤ 298 #/100mL—
July 2026E. coli, MTEC-MF, monthly geometric mean> 2419.6 #/100mL≤ 126 #/100mL—
August 2026E. coli, MTEC-MF, daily maximum> 2419.6 #/100mL≤ 298 #/100mL—
August 2026E. coli, MTEC-MF, monthly geometric mean> 2419.6 #/100mL≤ 126 #/100mL—
September 2026E. coli, MTEC-MF, daily maximum5172 #/100mL≤ 298 #/100mL1636%
September 2026E. coli, MTEC-MF, monthly geometric mean5172 #/100mL≤ 126 #/100mL4005%

Limits in force (32)

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≤ 7.94 kg/dall year001
Solids, total suspendedweekly average≤ 11.92 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 averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport 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
PCB, total, scan effluentmonthly averagereport only (ug/L)all year001
PCB, total, scan effluentdaily maximumreport only (ug/L)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 #/100mLMay–Sep001
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
Mercury, total recoverablemonthly averagereport only (ug/L)all year001
Mercury, total recoverabledaily maximumreport only (ug/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 6.62 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10.59 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

How strict are these limits?

Cited limits by parameter: Nebraska's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/NE0133167 · MCP: https://passage-data.com/mcp