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Chimney Rock WWTP

Sewage treatment plant, Harrodsburg, Kentucky. NPDES permit KY0092631, in force until Oct 31, 2029. Last 12 months: over a limit 7 times (last June 2026), 2 required values missing, 4 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (15 values), form 4 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
11 values over a limit, 0 required values missing, 1 of 13 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average31 mg/L≤ 30 mg/L3%
October 2025E. coli, 30-day geometric mean245 #/100mL≤ 130 #/100mL88%
October 2025E. coli, 7-day geometric mean60000 #/100mL≤ 240 #/100mL24900%
January 2026pH, minimum5.81 SU≥ 6 SU—
May 2026E. coli, 30-day geometric mean60000 #/100mL≤ 130 #/100mL46054%
May 2026E. coli, 7-day geometric mean60000 #/100mL≤ 240 #/100mL24900%
June 2026BOD, 5-day, 20 deg. C, monthly average33 mg/L≤ 30 mg/L10%

Limits in force (17)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year
pHminimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Oil & Greasemonthly averagereport only (mg/L)all year
Oil & Greasedaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 30 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .011 mg/Lall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
E. coli30-day geometric mean≤ 130 #/100mLall year
E. coli7-day geometric mean≤ 240 #/100mLall year

Cited limits by parameter: Kentucky'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/KY0092631 · MCP: https://passage-data.com/mcp