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Eureka, City of

Sewage treatment plant, Eureka, Kansas. NPDES permit KS0083178, in force until Dec 31, 2026. Last 12 months: over a limit 4 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A quarterly (8 values), outfall 002 form A quarterly (1 value)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingOutfallParameterReportedLimitOver by
February 2026002Nitrogen, ammonia total [as N], monthly average5.06 mg/L≤ 4.2 mg/L20%
March 2026001BOD, 5-day, 20 deg. C, monthly average32.7 mg/L≤ 30 mg/L9%
March 2026001E. coli, monthly geometric mean5790 #/100mL≤ 3843 #/100mL51%
April 2026002Nitrogen, ammonia total [as N], monthly average4.51 mg/L≤ 4.2 mg/L7%

Limits in force (9)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
pHmonthly averagereport only (SU)all year001
Solids, total suspendedmonthly average≤ 80 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 120 mg/Lall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
E. colimonthly geometric mean≤ 3843 #/100mLall year001
Nitrogen, ammonia total [as N]monthly average≤ 4.2 mg/Lall year002

How strict are these limits?

Cited limits by parameter: Kansas'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/KS0083178 · MCP: https://passage-data.com/mcp