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Smithland STP

Sewage treatment plant, Smithland, Kentucky. NPDES permit KY0025836, in force until Jul 31, 2028. Last 12 months: over a limit 85 times (last August 2026), 1 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
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
16 values over a limit, 0 required values missing, 0 of 13 reports late

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

All 85 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, percent removal, monthly average minimum61 %≥ 85 %160%
October 2025E. coli, 30-day geometric mean332 #/100mL≤ 130 #/100mL155%
October 2025E. coli, 7-day geometric mean60000 #/100mL≤ 240 #/100mL24900%
October 2025Solids, suspended percent removal, monthly average minimum0 %≥ 85 %567%
October 2025Solids, total suspended, monthly average36 lb/d≤ 17.5 lb/d106%
October 2025Solids, total suspended, monthly average66 mg/L≤ 30 mg/L120%
October 2025Solids, total suspended, maximum weekly average37 lb/d≤ 26.3 lb/d41%
October 2025Solids, total suspended, maximum weekly average71 mg/L≤ 45 mg/L58%
November 2025BOD, 5-day, 20 deg. C, monthly average22 lb/d≤ 17.5 lb/d26%
November 2025BOD, 5-day, 20 deg. C, monthly average42 mg/L≤ 30 mg/L40%
November 2025BOD, 5-day, percent removal, monthly average minimum52 %≥ 85 %220%
November 2025E. coli, 30-day geometric mean1576 #/100mL≤ 130 #/100mL1112%
November 2025E. coli, 7-day geometric mean60000 #/100mL≤ 240 #/100mL24900%
November 2025Solids, suspended percent removal, monthly average minimum54 %≥ 85 %207%
November 2025Solids, total suspended, monthly average26 lb/d≤ 17.5 lb/d49%
November 2025Solids, total suspended, monthly average50 mg/L≤ 30 mg/L67%
November 2025Solids, total suspended, maximum weekly average28 lb/d≤ 26.3 lb/d6%
November 2025Solids, total suspended, maximum weekly average54 mg/L≤ 45 mg/L20%
December 2025BOD, 5-day, percent removal, monthly average minimum79 %≥ 85 %40%
December 2025Solids, suspended percent removal, monthly average minimum81 %≥ 85 %27%
December 2025Solids, total suspended, monthly average20 lb/d≤ 17.5 lb/d14%
December 2025Solids, total suspended, monthly average38 mg/L≤ 30 mg/L27%
January 2026BOD, 5-day, 20 deg. C, monthly average33 mg/L≤ 30 mg/L10%
January 2026BOD, 5-day, percent removal, monthly average minimum67 %≥ 85 %120%
January 2026Solids, suspended percent removal, monthly average minimum65 %≥ 85 %133%
January 2026Solids, total suspended, monthly average33 mg/L≤ 30 mg/L10%
January 2026Solids, total suspended, maximum weekly average49 mg/L≤ 45 mg/L9%
February 2026BOD, 5-day, 20 deg. C, monthly average298 lb/d≤ 17.5 lb/d1603%
February 2026BOD, 5-day, 20 deg. C, monthly average80 mg/L≤ 30 mg/L167%
February 2026BOD, 5-day, 20 deg. C, maximum weekly average115 mg/L≤ 45 mg/L156%
February 2026BOD, 5-day, 20 deg. C, maximum weekly average574 lb/d≤ 26.3 lb/d2083%
February 2026BOD, 5-day, percent removal, monthly average minimum44 %≥ 85 %273%
February 2026Nitrogen, ammonia total [as N], monthly average22.89 lb/d≤ 11.7 lb/d96%
February 2026Nitrogen, ammonia total [as N], maximum weekly average42.9 lb/d≤ 17.5 lb/d145%
February 2026Solids, suspended percent removal, monthly average minimum78 %≥ 85 %47%
February 2026Solids, total suspended, monthly average39 mg/L≤ 30 mg/L30%
February 2026Solids, total suspended, monthly average92 lb/d≤ 17.5 lb/d426%
February 2026Solids, total suspended, maximum weekly average160 lb/d≤ 26.3 lb/d508%
February 2026Solids, total suspended, maximum weekly average46 mg/L≤ 45 mg/L2%
March 2026BOD, 5-day, 20 deg. C, monthly average18 lb/d≤ 17.5 lb/d3%
March 2026BOD, 5-day, 20 deg. C, monthly average33 mg/L≤ 30 mg/L10%
March 2026BOD, 5-day, percent removal, monthly average minimum54 %≥ 85 %207%
March 2026E. coli, 7-day geometric mean649 #/100mL≤ 240 #/100mL170%
March 2026Solids, suspended percent removal, monthly average minimum54 %≥ 85 %207%
March 2026Solids, total suspended, monthly average19 lb/d≤ 17.5 lb/d9%
March 2026Solids, total suspended, monthly average36 mg/L≤ 30 mg/L20%
April 2026BOD, 5-day, 20 deg. C, monthly average19 lb/d≤ 17.5 lb/d9%
April 2026BOD, 5-day, 20 deg. C, monthly average38 mg/L≤ 30 mg/L27%
April 2026BOD, 5-day, percent removal, monthly average minimum60 %≥ 85 %167%
April 2026E. coli, 30-day geometric mean188 #/100mL≤ 130 #/100mL45%
April 2026E. coli, 7-day geometric mean1414 #/100mL≤ 240 #/100mL489%
April 2026Solids, suspended percent removal, monthly average minimum70 %≥ 85 %100%
April 2026Solids, total suspended, monthly average35 lb/d≤ 17.5 lb/d100%
April 2026Solids, total suspended, monthly average70 mg/L≤ 30 mg/L133%
April 2026Solids, total suspended, maximum weekly average43 lb/d≤ 26.3 lb/d63%
April 2026Solids, total suspended, maximum weekly average86 mg/L≤ 45 mg/L91%
May 2026BOD, 5-day, 20 deg. C, monthly average34 lb/d≤ 17.5 lb/d94%
May 2026BOD, 5-day, 20 deg. C, monthly average83 mg/L≤ 30 mg/L177%
May 2026BOD, 5-day, 20 deg. C, maximum weekly average39 lb/d≤ 26.3 lb/d48%
May 2026BOD, 5-day, 20 deg. C, maximum weekly average88 mg/L≤ 45 mg/L96%
May 2026BOD, 5-day, percent removal, monthly average minimum0 %≥ 85 %567%
May 2026Solids, suspended percent removal, monthly average minimum.18 %≥ 85 %565%
May 2026Solids, total suspended, monthly average27 lb/d≤ 17.5 lb/d54%
May 2026Solids, total suspended, monthly average66 mg/L≤ 30 mg/L120%
May 2026Solids, total suspended, maximum weekly average30 lb/d≤ 26.3 lb/d14%
May 2026Solids, total suspended, maximum weekly average73 mg/L≤ 45 mg/L62%
June 2026BOD, 5-day, 20 deg. C, monthly average33 lb/d≤ 17.5 lb/d89%
June 2026BOD, 5-day, 20 deg. C, monthly average67 mg/L≤ 30 mg/L123%
June 2026BOD, 5-day, 20 deg. C, maximum weekly average46 lb/d≤ 26.3 lb/d75%
June 2026BOD, 5-day, 20 deg. C, maximum weekly average78 mg/L≤ 45 mg/L73%
June 2026BOD, 5-day, percent removal, monthly average minimum0 %≥ 85 %567%
June 2026E. coli, 7-day geometric mean326 #/100mL≤ 240 #/100mL36%
June 2026Solids, suspended percent removal, monthly average minimum.18 %≥ 85 %565%
June 2026Solids, total suspended, monthly average52 mg/L≤ 30 mg/L73%
June 2026Solids, total suspended, maximum weekly average65 mg/L≤ 45 mg/L44%
July 2026BOD, 5-day, percent removal, monthly average minimum65 %≥ 85 %133%
July 2026E. coli, 30-day geometric mean669 #/100mL≤ 130 #/100mL415%
July 2026E. coli, 7-day geometric mean60000 #/100mL≤ 240 #/100mL24900%
July 2026Solids, suspended percent removal, monthly average minimum0 %≥ 85 %567%
July 2026Solids, total suspended, maximum weekly average52 mg/L≤ 45 mg/L16%
August 2026BOD, 5-day, 20 deg. C, monthly average22 lb/d≤ 17.5 lb/d26%
August 2026BOD, 5-day, 20 deg. C, monthly average44 mg/L≤ 30 mg/L47%
August 2026BOD, 5-day, percent removal, monthly average minimum0 %≥ 85 %567%
August 2026Solids, suspended percent removal, monthly average minimum0 %≥ 85 %567%
August 2026Solids, total suspended, monthly average33 mg/L≤ 30 mg/L10%

Limits in force (37)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitaveragereport only (deg F)all year
Temperature, water deg. fahrenheitmaximumreport only (deg F)all year
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≤ 17.5 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 26.3 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
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≤ 17.5 lb/dall year
Solids, total suspendedmaximum weekly average≤ 26.3 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport 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
Nitrogen, ammonia total [as N]monthly average≤ 11.7 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 17.5 lb/dall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily 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
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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Your permit document is the final word. As JSON: /api/v1/permits/KY0025836 · MCP: https://passage-data.com/mcp