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Nortonville Wastewater Plant

Sewage treatment plant, Nortonville, Kansas. NPDES permit KS0047562, in force until Dec 31, 2026. Last 12 months: over a limit 5 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 29 days after each period: form A quarterly (10 values)
Renewal application due: Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 2 values over a limit, 0 required values missing, 0 of 4 reports late

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

Period ending	Parameter	Reported	Limit	Over by
December 2025	BOD, 5-day, 20 deg. C, monthly average	37 mg/L	≤ 30 mg/L	23%
December 2025	Solids, total suspended, monthly average	115 mg/L	≤ 80 mg/L	44%
June 2026	Solids, total suspended, monthly average	84 mg/L	≤ 80 mg/L	5%
September 2026	Solids, total suspended, monthly average	148 mg/L	≤ 80 mg/L	85%
September 2026	Solids, total suspended, maximum weekly average	148 mg/L	≤ 120 mg/L	23%

Limits in force (10)

Parameter	Statistic	Limit	Months
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year
BOD, 5-day, 20 deg. C	maximum weekly average	≤ 45 mg/L	all year
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year
pH	monthly average	report only (SU)	all year
Solids, total suspended	monthly average	≤ 80 mg/L	all year
Solids, total suspended	maximum weekly average	≤ 120 mg/L	all year
Solids, total suspended	monthly average	report only (mg/L)	all year
Nitrogen, ammonia total [as N]	monthly average	≤ 9 mg/L	all year
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year
E. coli	monthly geometric mean	≤ 3843 #/100mL	all year

How strict are these limits?

Nitrogen, ammonia total [as N], monthly average 9 mg/L — stricter than 14% of 309 other minor POTWs in Kansas

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/KS0047562 · MCP: https://passage-data.com/mcp