Passage Data · Check a report · Use it from your AI

Hickman East STP

Sewage treatment plant, Hickman, Kentucky. NPDES permit KY0028436 expired Aug 31, 2025; its limits still apply. Last 12 months: over a limit 36 times (last August 2026), 35 required values missing, 9 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
42 values over a limit, 82 required values missing, 5 of 13 reports late

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

All 36 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum0 %≥ 85 %567%
October 2025BOD, carbonaceous [5 day, 20 C], maximum weekly average226.848 lb/d≤ 200 lb/d13%
October 2025BOD, carbonaceous [5 day, 20 C], maximum weekly average50 mg/L≤ 40 mg/L25%
October 2025E. coli, 7-day geometric mean770 #/100mL≤ 240 #/100mL221%
October 2025Solids, suspended percent removal, monthly average minimum47 %≥ 85 %253%
October 2025pH, minimum5.37 SU≥ 6 SU—
November 2025BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum20 %≥ 85 %433%
November 2025Oxygen, dissolved [DO], instantaneous minimum5.88 mg/L≥ 7 mg/L16%
November 2025Solids, suspended percent removal, monthly average minimum48 %≥ 85 %247%
December 2025BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum14 %≥ 85 %473%
December 2025Nitrogen, ammonia total [as N], monthly average10.97 mg/L≤ 10 mg/L10%
December 2025Solids, suspended percent removal, monthly average minimum65 %≥ 85 %133%
January 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum12 %≥ 85 %487%
January 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum12 %≥ 85 %487%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average25.6 mg/L≤ 25 mg/L2%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average25.6 mg/L≤ 25 mg/L2%
January 2026Nitrogen, ammonia total [as N], daily maximum15.9 mg/L≤ 15 mg/L6%
January 2026Nitrogen, ammonia total [as N], daily maximum15.9 mg/L≤ 15 mg/L6%
January 2026Solids, suspended percent removal, monthly average minimum53 %≥ 85 %213%
January 2026Solids, suspended percent removal, monthly average minimum53 %≥ 85 %213%
February 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum17 %≥ 85 %453%
February 2026Nitrogen, ammonia total [as N], monthly average10.09 mg/L≤ 10 mg/L1%
February 2026Solids, suspended percent removal, monthly average minimum71 %≥ 85 %93%
March 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum43 %≥ 85 %280%
March 2026E. coli, 7-day geometric mean248 #/100mL≤ 240 #/100mL3%
March 2026Solids, suspended percent removal, monthly average minimum70 %≥ 85 %100%
April 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum40 %≥ 85 %300%
April 2026Solids, suspended percent removal, monthly average minimum64 %≥ 85 %140%
May 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum57 %≥ 85 %187%
May 2026E. coli, 7-day geometric mean2420 #/100mL≤ 240 #/100mL908%
May 2026Solids, suspended percent removal, monthly average minimum72 %≥ 85 %87%
June 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum34 %≥ 85 %340%
June 2026Solids, suspended percent removal, monthly average minimum74 %≥ 85 %73%
July 2026Solids, total suspended, monthly average344.245 lb/d≤ 150 lb/d129%
July 2026Solids, total suspended, maximum weekly average438.425 lb/d≤ 225 lb/d95%
August 2026Solids, suspended percent removal, monthly average minimum74 %≥ 85 %73%

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≥ 7 mg/Lall 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≤ 150 lb/dall year
Solids, total suspendedmaximum weekly average≤ 225 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≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 15 mg/Lall year
Phosphorus, total [as P]averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximumreport 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
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
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≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 125 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 200 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.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KY0028436 · MCP: https://passage-data.com/mcp