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Solomon, City of

Sewage treatment plant, Solomon, Kansas. NPDES permit KS0085979, in force until Dec 31, 2028. 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 (11 values), outfall 002 form A quarterly (2 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 8 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, monthly average48.7 mg/L≤ 30 mg/L62%
December 2025BOD, 5-day, 20 deg. C, maximum weekly average48.7 mg/L≤ 45 mg/L8%
March 2026BOD, 5-day, 20 deg. C, monthly average34.3 mg/L≤ 30 mg/L14%
June 2026BOD, 5-day, 20 deg. C, monthly average30.1 mg/L≤ 30 mg/L0%

Limits in force (16)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year001
pHmonthly averagereport only (SU)all year001
Solids, total suspendedmonthly average≤ 80 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 120 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 16.5 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Oct–Dec001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan–Mar001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Apr–Jun001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Chloride [as Cl]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Arsenic, total recoverablemonthly averagereport only (mg/L)all year001
E. colimonthly geometric meanreport only (#/100mL)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002

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/KS0085979 · MCP: https://passage-data.com/mcp