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Martin STP

Sewage treatment plant, Martin, Kentucky. NPDES permit KY0026921, in force until Feb 28, 2031. Last 12 months: over a limit 15 times (last August 2026), 2 of 13 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
62 values over a limit, 0 required values missing, 0 of 17 reports late

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

All 15 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average17.2 mg/L≤ 15 mg/L15%
October 2025BOD, carbonaceous [5 day, 20 C], maximum weekly average38.56 lb/d≤ 22.5 lb/d71%
October 2025BOD, carbonaceous [5 day, 20 C], maximum weekly average68 mg/L≤ 22.5 mg/L202%
October 2025E. coli, 7-day geometric mean2420 #/100mL≤ 240 #/100mL908%
October 2025Nitrogen, ammonia total [as N], daily maximum42.7 mg/L≤ 6 mg/L612%
October 2025Nitrogen, ammonia total [as N], monthly average17.2 mg/L≤ 4 mg/L330%
October 2025Solids, suspended percent removal, monthly average minimum65 %≥ 85 %133%
October 2025Solids, total suspended, monthly average44.6 mg/L≤ 30 mg/L49%
October 2025Solids, total suspended, maximum weekly average150 mg/L≤ 45 mg/L233%
October 2025pH, maximum9.82 SU≤ 9 SU—
February 2026Solids, suspended percent removal, monthly average minimum74 %≥ 85 %73%
March 2026Solids, suspended percent removal, monthly average minimum77 %≥ 85 %53%
April 2026Solids, suspended percent removal, monthly average minimum76 %≥ 85 %60%
August 2026Nitrogen, ammonia total [as N], daily maximum6.83 mg/L≤ 6 mg/L14%
August 2026Solids, suspended percent removal, monthly average minimum78 %≥ 85 %47%

Limits in force (51)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitaveragereport only (deg F)Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. fahrenheitaveragereport only (deg F)May–Oct
Temperature, water deg. fahrenheitmaximumreport only (deg F)Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. fahrenheitmaximumreport only (deg F)May–Oct
Oxygen, dissolved [DO]instantaneous minimum≥ 7 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
Solids, total suspendedmonthly average≤ 30 lb/dall year
Solids, total suspendeddaily maximum≤ 45 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]rolling average≤ 14.12 lb/dall 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≤ 4 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
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]rolling average≤ 1.12 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
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, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 22.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 22.5 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]maximum weekly averagereport only (mg/L)all year
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

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/KY0026921 · MCP: https://passage-data.com/mcp