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Village of Thurston

Sewage treatment plant, Thurston, Nebraska. NPDES permit NE0031739 expired Sep 29, 2024; its limits still apply. Last 12 months: no values over a limit, 4 required values missing, 2 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (21 values), form B quarterly (4 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 2 required values missing, 0 of 8 reports late

Limits in force (29)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
pHmonthly averagereport only (SU)all year
Solids, total suspendedmonthly average≤ 80 ug/Lall year
Solids, total suspendedweekly average≤ 120 ug/Lall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximum≤ 1.82 mg/LMar–May
Nitrogen, ammonia total [as N]daily maximum≤ .89 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ .91 mg/LMar–May
Nitrogen, ammonia total [as N]monthly average≤ .45 mg/LJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 4.05 ug/LJan, Feb, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2.02 ug/LJan, Feb, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantper dischargereport only (MGD)all year
Flow, in conduit or thru treatment plantaveragereport only (MGD)all year
E. coli, colony forming units [CFU]single sample≤ 298 CFU/100mLMay–Sep
E. coli, colony forming units [CFU]monthly geometric mean≤ 126 CFU/100mLMay–Sep
BOD, 5-day, percent removalminimum≥ 85 %all year
Duration of dischargemaximumreport only (d)all year
Flow, totalmaximumreport only (Mgal/mo)all year

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/NE0031739 · MCP: https://passage-data.com/mcp