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Louisville G & E - Trimble Station

Electric Services, major discharger, Bedford, Kentucky. NPDES permit KY0041971, in force until Jun 30, 2028. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 2 quarterly (8 values), outfall 002A form 1 monthly (7 values), outfall 002B form 1 monthly (7 values), outfall 002T form 11 monthly (39 values), outfall 002T form 21 monthly (6 values), outfall 002T form 22 quarterly (14 values), and 11 more forms
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 146 reports late

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

Period endingParameterReportedLimitOver by
June 2026Solids, total suspended, daily maximum132 mg/L≤ 100 mg/L32%

Limits in force (237)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 60 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Zinc, total recoverablemonthly average≤ 1 mg/Lall year002A
Zinc, total recoverabledaily maximum≤ 1 mg/Lall year002A
Chromium, total recoverablemonthly average≤ .2 mg/Lall year002A
Chromium, total recoverabledaily maximum≤ .2 mg/Lall year002A
Total residual ooxidant-discharge timedaily maximum≤ 120 min/dall year002A
Oxidants, total residualmonthly averagereport only (mg/L)all year002A
Oxidants, total residualdaily maximum≤ .2 mg/Lall year002A
Priority Pollutantsmonthly average≤ 0 mg/Lall year002A
Priority Pollutantsdaily maximum≤ 0 mg/Lall year002A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002A
Chlorine, free availablemonthly average≤ .2 mg/Lall year002A
Chlorine, free availabledaily maximum≤ .5 mg/Lall year002A
Zinc, total recoverablemonthly average≤ 1 mg/Lall year002B
Zinc, total recoverabledaily maximum≤ 1 mg/Lall year002B
Chromium, total recoverablemonthly average≤ .2 mg/Lall year002B
Chromium, total recoverabledaily maximum≤ .2 mg/Lall year002B
Total residual ooxidant-discharge timedaily maximum≤ 120 min/dall year002B
Oxidants, total residualmonthly averagereport only (mg/L)all year002B
Oxidants, total residualdaily maximum≤ .2 mg/Lall year002B
Priority Pollutantsmonthly average≤ 0 mg/Lall year002B
Priority Pollutantsdaily maximum≤ 0 mg/Lall year002B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002B
Chlorine, free availablemonthly average≤ .2 mg/Lall year002B
Chlorine, free availabledaily maximum≤ .5 mg/Lall year002B
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year002T
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year002T
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year002T
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year002T
pHminimum≥ 6 SUall year002T
pHminimum≥ 6 SUall year002T
pHmaximum≤ 9 SUall year002T
pHmaximum≤ 9 SUall year002T
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002T
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002T
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002T
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002T
Arsenic, total recoverablemonthly averagereport only (mg/L)all year002T
Arsenic, total recoverabledaily maximumreport only (mg/L)all year002T
Iron, total recoverablemonthly averagereport only (mg/L)all year002T
Iron, total recoverablemonthly averagereport only (mg/L)all year002T
Iron, total recoverabledaily maximumreport only (mg/L)all year002T
Iron, total recoverabledaily maximumreport only (mg/L)all year002T
Selenium, total recoverablemonthly averagereport only (mg/L)all year002T
Selenium, total recoverablemonthly average≤ .118 mg/Lall year002T
Selenium, total recoverabledaily maximumreport only (mg/L)all year002T
Thallium, total recoverablemonthly averagereport only (mg/L)all year002T
Thallium, total recoverabledaily maximumreport only (mg/L)all year002T
Beryllium, total recoverable [as Be]monthly averagereport only (mg/L)all year002T
Beryllium, total recoverable [as Be]daily maximumreport only (mg/L)all year002T
Nickel, total recoverablemonthly averagereport only (mg/L)all year002T
Nickel, total recoverabledaily maximumreport only (mg/L)all year002T
Silver total recoverablemonthly averagereport only (mg/L)all year002T
Silver total recoverabledaily maximumreport only (mg/L)all year002T
Zinc, total recoverablemonthly averagereport only (mg/L)all year002T
Zinc, total recoverabledaily maximumreport only (mg/L)all year002T
Cadmium, total recoverablemonthly averagereport only (mg/L)all year002T
Cadmium, total recoverablemonthly averagereport only (mg/L)all year002T
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002T
Cadmium, total recoverabledaily maximumreport only (mg/L)all year002T
Lead, total recoverablemonthly averagereport only (mg/L)all year002T
Lead, total recoverabledaily maximumreport only (mg/L)all year002T
Chromium, total recoverablemonthly averagereport only (mg/L)all year002T
Chromium, total recoverabledaily maximumreport only (mg/L)all year002T
Copper, total recoverablemonthly averagereport only (mg/L)all year002T
Copper, total recoverablemonthly averagereport only (mg/L)all year002T
Copper, total recoverabledaily maximumreport only (mg/L)all year002T
Copper, total recoverabledaily maximumreport only (mg/L)all year002T
Selenium, dry weightmaximum≤ 8.6 mg/kgall year002T
Selenium, dry weightmaximum≤ 8.6 mg/kgall year002T
Antimony, total recoverablemonthly averagereport only (mg/L)all year002T
Antimony, total recoverabledaily maximumreport only (mg/L)all year002T
Chloridemonthly averagereport only (mg/L)all year002T
Chloridemonthly averagereport only (mg/L)all year002T
Chloridedaily maximumreport only (mg/L)all year002T
Chloridedaily maximumreport only (mg/L)all year002T
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002T
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002T
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002T
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002T
Toxicity, final conc toxicity unitsmaximum≤ 4.32 tox acuteall year002T
Toxicity, final conc toxicity unitsmaximum≤ 4.32 tox acuteall year002T
Mercury, total recoverablemonthly averagereport only (mg/L)all year002T
Mercury, total recoverabledaily maximumreport only (mg/L)all year002T
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year003
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualminimum≥ .2 mg/Lall year003
Copper, total [as Cu]monthly average≤ 1 mg/Lall year004
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year004
Iron, total [as Fe]monthly average≤ 1 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year005
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Cooling Water Intake Inspectionmaximumreport only (pass=0;fail=1)all year005
Solids, total suspendedmonthly average≤ 30 mg/Lall year007
Solids, total suspendeddaily maximum≤ 100 mg/Lall year007
Oil & Greasemonthly average≤ 15 mg/Lall year007
Oil & Greasedaily maximum≤ 20 mg/Lall year007
Nitrite + Nitrate total [as N]monthly average≤ 3 mg/Lall year007
Nitrite + Nitrate total [as N]daily maximum≤ 4 mg/Lall year007
Arsenic, total recoverablemonthly average≤ 8 ug/Lall year007
Arsenic, total recoverabledaily maximum≤ 18 ug/Lall year007
Selenium, total recoverablemonthly average≤ 29 ug/Lall year007
Selenium, total recoverabledaily maximum≤ 70 ug/Lall year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Mercury, total recoverablemonthly average≤ 34 ng/Lall year007
Mercury, total recoverabledaily maximum≤ 103 ng/Lall year007
Solids, total suspendedmonthly average≤ 30 mg/Lall year008
Solids, total suspendeddaily maximum≤ 95.4 mg/Lall year008
Oil & Greasemonthly average≤ 14.3 mg/Lall year008
Oil & Greasedaily maximum≤ 19.1 mg/Lall year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
pHminimumreport only (SU)all year009
pHmaximumreport only (SU)all year009
Solids, total suspendedmonthly averagereport only (mg/L)all year009
Solids, total suspendeddaily maximumreport only (mg/L)all year009
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year009
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year009
Arsenic, total recoverablemonthly averagereport only (mg/L)all year009
Arsenic, total recoverabledaily maximumreport only (mg/L)all year009
Nickel, total recoverablemonthly averagereport only (mg/L)all year009
Nickel, total recoverabledaily maximumreport only (mg/L)all year009
Silver total recoverablemonthly averagereport only (mg/L)all year009
Silver total recoverabledaily maximumreport only (mg/L)all year009
Zinc, total recoverablemonthly averagereport only (mg/L)all year009
Zinc, total recoverabledaily maximumreport only (mg/L)all year009
Cadmium, total recoverablemonthly averagereport only (mg/L)all year009
Cadmium, total recoverabledaily maximumreport only (mg/L)all year009
Lead, total recoverablemonthly averagereport only (mg/L)all year009
Lead, total recoverabledaily maximumreport only (mg/L)all year009
Chromium, total recoverablemonthly averagereport only (mg/L)all year009
Chromium, total recoverabledaily maximumreport only (mg/L)all year009
Copper, total recoverablemonthly averagereport only (mg/L)all year009
Copper, total recoverabledaily maximumreport only (mg/L)all year009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
Mercury, total recoverablemonthly averagereport only (mg/L)all year009
Mercury, total recoverabledaily maximumreport only (mg/L)all year009
pHminimumreport only (SU)all year010
pHmaximumreport only (SU)all year010
Solids, total suspendedmonthly averagereport only (mg/L)all year010
Solids, total suspendeddaily maximumreport only (mg/L)all year010
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year010
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year010
Arsenic, total recoverablemonthly averagereport only (mg/L)all year010
Arsenic, total recoverabledaily maximumreport only (mg/L)all year010
Nickel, total recoverablemonthly averagereport only (mg/L)all year010
Nickel, total recoverabledaily maximumreport only (mg/L)all year010
Silver total recoverablemonthly averagereport only (mg/L)all year010
Silver total recoverabledaily maximumreport only (mg/L)all year010
Zinc, total recoverablemonthly averagereport only (mg/L)all year010
Zinc, total recoverabledaily maximumreport only (mg/L)all year010
Cadmium, total recoverablemonthly averagereport only (mg/L)all year010
Cadmium, total recoverabledaily maximumreport only (mg/L)all year010
Lead, total recoverablemonthly averagereport only (mg/L)all year010
Lead, total recoverabledaily maximumreport only (mg/L)all year010
Chromium, total recoverablemonthly averagereport only (mg/L)all year010
Chromium, total recoverabledaily maximumreport only (mg/L)all year010
Copper, total recoverablemonthly averagereport only (mg/L)all year010
Copper, total recoverabledaily maximumreport only (mg/L)all year010
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year010
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year010
Mercury, total recoverablemonthly averagereport only (mg/L)all year010
Mercury, total recoverabledaily maximumreport only (mg/L)all year010
pHminimumreport only (SU)all year011
pHmaximumreport only (SU)all year011
Solids, total suspendedmonthly averagereport only (mg/L)all year011
Solids, total suspendeddaily maximumreport only (mg/L)all year011
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year011
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year011
Arsenic, total recoverablemonthly averagereport only (mg/L)all year011
Arsenic, total recoverabledaily maximumreport only (mg/L)all year011
Nickel, total recoverablemonthly averagereport only (mg/L)all year011
Nickel, total recoverabledaily maximumreport only (mg/L)all year011
Silver total recoverablemonthly averagereport only (mg/L)all year011
Silver total recoverabledaily maximumreport only (mg/L)all year011
Zinc, total recoverablemonthly averagereport only (mg/L)all year011
Zinc, total recoverabledaily maximumreport only (mg/L)all year011
Cadmium, total recoverablemonthly averagereport only (mg/L)all year011
Cadmium, total recoverabledaily maximumreport only (mg/L)all year011
Lead, total recoverablemonthly averagereport only (mg/L)all year011
Lead, total recoverabledaily maximumreport only (mg/L)all year011
Chromium, total recoverablemonthly averagereport only (mg/L)all year011
Chromium, total recoverabledaily maximumreport only (mg/L)all year011
Copper, total recoverablemonthly averagereport only (mg/L)all year011
Copper, total recoverabledaily maximumreport only (mg/L)all year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year011
Mercury, total recoverablemonthly averagereport only (mg/L)all year011
Mercury, total recoverabledaily maximumreport only (mg/L)all year011
pHminimum≥ 6 SUall year012
pHmaximum≤ 9 SUall year012
Solids, total suspendedmonthly averagereport only (mg/L)all year012
Solids, total suspendeddaily maximum≤ 100 mg/Lall year012
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year012
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year012
Arsenic, total recoverablemonthly averagereport only (mg/L)all year012
Arsenic, total recoverabledaily maximumreport only (mg/L)all year012
Iron, total recoverablemonthly averagereport only (mg/L)all year012
Iron, total recoverabledaily maximumreport only (mg/L)all year012
Nickel, total recoverablemonthly averagereport only (mg/L)all year012
Nickel, total recoverabledaily maximumreport only (mg/L)all year012
Silver total recoverablemonthly averagereport only (mg/L)all year012
Silver total recoverabledaily maximumreport only (mg/L)all year012
Zinc, total recoverablemonthly averagereport only (mg/L)all year012
Zinc, total recoverabledaily maximumreport only (mg/L)all year012
Cadmium, total recoverablemonthly averagereport only (mg/L)all year012
Cadmium, total recoverabledaily maximumreport only (mg/L)all year012
Lead, total recoverablemonthly averagereport only (mg/L)all year012
Lead, total recoverabledaily maximumreport only (mg/L)all year012
Chromium, total recoverablemonthly averagereport only (mg/L)all year012
Chromium, total recoverabledaily maximumreport only (mg/L)all year012
Copper, total recoverablemonthly averagereport only (mg/L)all year012
Copper, total recoverabledaily maximumreport only (mg/L)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Mercury, total recoverablemonthly averagereport only (mg/L)all year012
Mercury, total recoverabledaily maximumreport only (mg/L)all year012

How strict are these limits?

Cited limits by parameter: Kentucky's rules and the federal ones.

Same industry: the 29 Electric Services permits in Kentucky.

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Your permit document is the final word. As JSON: /api/v1/permits/KY0041971 · MCP: https://passage-data.com/mcp