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Clay STP

Sewage treatment plant, Clay, Kentucky. NPDES permit KY0028096, in force until Nov 30, 2029. Last 12 months: over a limit 22 times (last August 2026), 5 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (35 values), form 4 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
28 values over a limit, 12 required values missing, 5 of 13 reports late

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

All 22 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, percent removal, monthly average minimum82 %≥ 85 %20%
January 2026Solids, suspended percent removal, monthly average minimum66 %≥ 85 %127%
January 2026Solids, total suspended, monthly average120.175 lb/d≤ 50.04 lb/d140%
January 2026Solids, total suspended, monthly average40.25 mg/L≤ 30 mg/L34%
January 2026Solids, total suspended, maximum weekly average232.886 lb/d≤ 75.06 lb/d210%
January 2026Solids, total suspended, maximum weekly average78 mg/L≤ 45 mg/L73%
February 2026BOD, 5-day, percent removal, monthly average minimum71 %≥ 85 %93%
February 2026Solids, suspended percent removal, monthly average minimum73 %≥ 85 %80%
April 2026BOD, 5-day, percent removal, monthly average minimum67 %≥ 85 %120%
April 2026Solids, suspended percent removal, monthly average minimum82 %≥ 85 %20%
April 2026Solids, total suspended, monthly average32.15 mg/L≤ 30 mg/L7%
May 2026BOD, 5-day, percent removal, monthly average minimum77 %≥ 85 %53%
May 2026Solids, suspended percent removal, monthly average minimum49 %≥ 85 %240%
May 2026Solids, total suspended, monthly average49.65 mg/L≤ 30 mg/L66%
May 2026Solids, total suspended, maximum weekly average51.3 mg/L≤ 45 mg/L14%
June 2026BOD, 5-day, percent removal, monthly average minimum80 %≥ 85 %33%
June 2026Solids, suspended percent removal, monthly average minimum77 %≥ 85 %53%
July 2026BOD, 5-day, percent removal, monthly average minimum76 %≥ 85 %60%
July 2026Solids, suspended percent removal, monthly average minimum83 %≥ 85 %13%
August 2026BOD, 5-day, percent removal, monthly average minimum72 %≥ 85 %87%
August 2026Solids, suspended percent removal, monthly average minimum72 %≥ 85 %87%
August 2026Solids, total suspended, monthly average32.25 mg/L≤ 30 mg/L8%

Limits in force (49)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitaveragereport only (deg F)May–Oct
Temperature, water deg. fahrenheitaveragereport only (deg F)Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. fahrenheitmaximumreport only (deg F)May–Oct
Temperature, water deg. fahrenheitmaximumreport only (deg F)Jan, Feb, Mar, Apr, Nov, Dec
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
BOD, 5-day, 20 deg. Cmonthly average≤ 50.04 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 75.06 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 50.04 lb/dall year
Solids, total suspendedmaximum weekly average≤ 75.06 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Oil & Greaseaveragereport only (mg/L)all year
Oil & Greasemaximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily 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
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all 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
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coli30-day geometric mean≤ 130 #/100mLall year
E. coli7-day geometric mean≤ 240 #/100mLall year
Nitrogen, Kjeldahl Totalaveragereport only (mg/L)all year
Nitrogen, Kjeldahl Totalmaximumreport only (mg/L)all year
Nitrite Plus Nitrate Totalaveragereport only (mg/L)all year
Nitrite Plus Nitrate Totalmaximumreport only (mg/L)all year
Solids, total dissolved [TDS]averagereport only (mg/L)all year
Solids, total dissolved [TDS]maximumreport only (mg/L)all year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all 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/KY0028096 · MCP: https://passage-data.com/mcp