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Horton, City of

Sewage treatment plant, Horton, Kansas. NPDES permit KS0047465, in force until Jun 30, 2030. Last 12 months: over a limit 2 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form A monthly (21 values), outfall 002 form A monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value 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 2026E. coli, monthly geometric mean12000 #/100mL≤ 2000 #/100mL500%
July 2026E. coli, monthly geometric mean4880 #/100mL≤ 2000 #/100mL144%

Limits in force (47)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year001
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≤ 1.5 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 6 mg/LNov001
Nitrogen, ammonia total [as N]monthly average≤ 6.1 mg/LJan001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 2.6 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 3.6 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 6.1 mg/LFeb001
Nitrogen, ammonia total [as N]monthly average≤ 6.1 mg/LDec001
Nitrogen, ammonia total [as N]monthly average≤ 3.5 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 4.7 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 11 mg/LNov001
Nitrogen, ammonia total [as N]daily maximum≤ 11 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 2.6 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 5.4 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 11 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 11 mg/LDec001
Nitrogen, ammonia total [as N]daily maximum≤ 7.4 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 10.7 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 4.4 mg/LSep001
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
Copper, total recoverablemonthly averagereport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. colimonthly geometric mean≤ 2000 #/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"≤ 2.07 lb/dall 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/KS0047465 · MCP: https://passage-data.com/mcp