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Lake Wabaunsee Improvement Dist

Sewage treatment plant, Alma, Kansas. NPDES permit KS0086568, in force until Jun 30, 2030. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 29 days after each period: outfall 001 form A quarterly (7 values), outfall 002 form A quarterly (2 values)
Last report on file: June 2026
Oct 2024 – Sep 2025: 1 value over a limit, 8 required values missing, 3 of 5 reports late

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

Period ending	Parameter	Reported	Limit	Over by
March 2026	BOD, 5-day, 20 deg. C, monthly average	31.8 mg/L	≤ 30 mg/L	6%
June 2026	BOD, 5-day, 20 deg. C, monthly average	35.3 mg/L	≤ 30 mg/L	18%

Limits in force (9)

Parameter	Statistic	Limit	Months	Outfall
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	maximum weekly average	≤ 45 mg/L	all year	001
pH	monthly average	report only (SU)	all year	001
Solids, total suspended	monthly average	≤ 80 mg/L	all year	001
Solids, total suspended	maximum weekly average	≤ 120 mg/L	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 2.7 mg/L	all year	001
E. coli	monthly geometric mean	report only (#/100mL)	all year	001
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	002
Solids, total suspended	monthly average	report only (mg/L)	all year	002

How strict are these limits?

Nitrogen, ammonia total [as N], monthly average 2.7 mg/L — stricter than 67% of 309 other minor POTWs in Kansas; 1% have the same limit

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KS0086568 · MCP: https://passage-data.com/mcp