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Reno County Commission

Sewage treatment plant, Yoder, Kansas. NPDES permit KS0091715, in force until Mar 31, 2031. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A quarterly, outfall 003 form D quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
June 2026BOD, 5-day, 20 deg. C, monthly average41.2 mg/L≤ 30 mg/L37%
June 2026Solids, total suspended, daily maximum126 mg/L≤ 120 mg/L5%
June 2026Solids, total suspended, monthly average126 mg/L≤ 80 mg/L58%
June 2026pH, daily maximum9.62 SU≤ 9 SU—

Limits in force (15)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 80 mg/Lall year001
Solids, total suspendeddaily maximum≤ 120 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 17.7 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 5.7 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 7.8 mg/LApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 21.2 mg/LJan–Mar001
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)Sep001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Sep001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. colimonthly geometric mean≤ 3843 #/100mLSep001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year003

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/KS0091715 · MCP: https://passage-data.com/mcp