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Norton, City of

Sewage treatment plant, Norton, Kansas. NPDES permit KS0097730, in force until Dec 31, 2027. 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 monthly (22 values), outfall 002 form A monthly (4 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 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
February 2026Nitrogen, ammonia total [as N], monthly average7.1 mg/L≤ 4.2 mg/L69%
June 2026Nitrogen, ammonia total [as N], monthly average2 mg/L≤ 1.6 mg/L25%

Limits in force (70)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum weekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LMar001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LOct001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LSep001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LAug001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LMay001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LNov001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LDec001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LApr001
BOD, 5-day, 20 deg. Cmonthly average≤ 25 mg/LJul001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJun001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LFeb001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LMar001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LJan001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LOct001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LSep001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LAug001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LMay001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LNov001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LDec001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LApr001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 40 mg/LJul001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LJun001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LFeb001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 4.2 mg/LDec001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 4.2 mg/LJan001
Nitrogen, ammonia total [as N]monthly average≤ 3.3 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 4.2 mg/LNov001
Nitrogen, ammonia total [as N]monthly average≤ 4.1 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 4.2 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LDec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.1 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 8.8 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 9.7 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LNov001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LFeb001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Arsenic, total recoverablemonthly averagereport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. colimonthly geometric mean≤ 2358 #/100mLall year001
Nitrogen, Total As Ndaily averagereport only (mg/L)all year001
Nitrogen, Total As NEPA's "DPD AVG"report only (lb/d)all year001
Phosphorus, Total As Pdaily averagereport only (mg/L)all year001
Phosphorus, Total As PEPA's "DPD AVG"report only (lb/d)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all 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/KS0097730 · MCP: https://passage-data.com/mcp