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FirstEnergy Generation LLC

Electric Services, major discharger, Stratton, Ohio. NPDES permit OH0011525, in force until Oct 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (13 values), outfall 009 form A monthly (10 values), outfall 091 form A monthly (4 values), outfall 600 form A monthly (2 values), outfall 602 form A monthly (12 values), outfall 603 form A monthly (10 values), and 5 more forms
Renewal application due
May 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 181 reports late

Limits in force (207)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Thermal Dischargemonthly average≤ 10299 MBTU/hrall year001
Thermal Dischargedaily maximum≤ 10299 MBTU/hrall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Copper, total recoverablemonthly average≤ 18 ug/Lall year001
Copper, total recoverabledaily maximum≤ 20 ug/Lall year001
Oxidants, total residualdaily maximum≤ .025 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
Chlorine, total residualdaily maximum≤ .2 mg/Lall year001
Chlorination durationdaily maximum≤ 120 minall year001
pHdaily minimum≥ 6.5 SUall year009
pHdaily maximum≤ 9 SUall year009
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year009
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year009
Boron, total recoverablemonthly averagereport only (ug/L)all year009
Boron, total recoverabledaily maximumreport only (ug/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 low levelmonthly averagereport only (ng/L)all year009
Mercury, total low leveldaily maximumreport only (ng/L)all year009
pHdaily minimumreport only (SU)all year010
pHdaily maximumreport only (SU)all year010
Solids, total suspendedmonthly averagereport only (mg/L)all year010
Solids, total suspendeddaily maximumreport only (mg/L)all year010
Zinc, total recoverablemonthly averagereport only (ug/L)all year010
Zinc, total recoverabledaily maximumreport only (ug/L)all year010
Copper, total recoverablemonthly averagereport only (ug/L)all year010
Copper, total recoverabledaily maximumreport only (ug/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
pHdaily minimumreport only (SU)all year011
pHdaily maximumreport only (SU)all year011
Solids, total suspendedmonthly averagereport only (mg/L)all year011
Solids, total suspendeddaily maximumreport only (mg/L)all year011
Zinc, total recoverablemonthly averagereport only (ug/L)all year011
Zinc, total recoverabledaily maximumreport only (ug/L)all year011
Copper, total recoverablemonthly averagereport only (ug/L)all year011
Copper, total recoverabledaily maximumreport only (ug/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
pHdaily minimumreport only (SU)all year012
pHdaily maximumreport only (SU)all year012
Solids, total suspendedmonthly averagereport only (mg/L)all year012
Solids, total suspendeddaily maximumreport only (mg/L)all year012
Zinc, total recoverablemonthly averagereport only (ug/L)all year012
Zinc, total recoverabledaily maximumreport only (ug/L)all year012
Cadmium, total recoverablemonthly averagereport only (ug/L)all year012
Cadmium, total recoverabledaily maximumreport only (ug/L)all year012
Copper, total recoverablemonthly averagereport only (ug/L)all year012
Copper, total recoverabledaily maximumreport only (ug/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
pHdaily minimumreport only (SU)all year013
pHdaily maximumreport only (SU)all year013
Solids, total suspendedmonthly averagereport only (mg/L)all year013
Solids, total suspendeddaily maximumreport only (mg/L)all year013
Zinc, total recoverablemonthly averagereport only (ug/L)all year013
Zinc, total recoverabledaily maximumreport only (ug/L)all year013
Copper, total recoverablemonthly averagereport only (ug/L)all year013
Copper, total recoverabledaily maximumreport only (ug/L)all year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Oxidants, total residualdaily maximum≤ .0032 mg/Lall year091
Chlorine, total residualdaily maximum≤ .019 mg/Lall year091
Chlorination durationmonthly averagereport only (min)all year091
Chlorination durationdaily maximumreport only (min)all year091
Sludge weight, drymonthly averagereport only (dry ton)Dec588
Sludge weight, drydaily maximumreport only (dry ton)Dec588
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year600
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year600
Mercury, total low levelmonthly averagereport only (ng/L)Mar, Jun, Aug, Dec600
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Aug, Dec600
pHdaily minimum≥ 6 SUall year602
pHdaily maximum≤ 9 SUall year602
Solids, total suspendedmonthly average≤ 30 mg/Lall year602
Solids, total suspendeddaily maximum≤ 100 mg/Lall year602
Solids, total suspendedmonthly average≤ 209 kg/dall year602
Solids, total suspendeddaily maximum≤ 697 kg/dall year602
Oil and grease, hexane extr methodmonthly average≤ 15 mg/Lall year602
Oil and grease, hexane extr methoddaily maximum≤ 20 mg/Lall year602
Oil and grease, hexane extr methodmonthly average≤ 105 kg/dall year602
Oil and grease, hexane extr methoddaily maximum≤ 139 kg/dall year602
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year602
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year602
Solids, total suspendedmonthly average≤ 30 mg/Lall year603
Solids, total suspendeddaily maximum≤ 100 mg/Lall year603
Solids, total suspendedmonthly average≤ 3.4 kg/dall year603
Solids, total suspendeddaily maximum≤ 11.4 kg/dall year603
Oil and grease, hexane extr methodmonthly average≤ 15 mg/Lall year603
Oil and grease, hexane extr methoddaily maximum≤ 20 mg/Lall year603
Oil and grease, hexane extr methodmonthly average≤ 1.7 kg/dall year603
Oil and grease, hexane extr methoddaily maximum≤ 2.3 kg/dall year603
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec603
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec603
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year603
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year603
Solids, total suspendedmonthly average≤ 30 mg/Lall year604
Solids, total suspendeddaily maximum≤ 98.9 mg/Lall year604
Solids, total suspendedmonthly average≤ 640 kg/dall year604
Solids, total suspendeddaily maximum≤ 2109 kg/dall year604
Oil and grease, hexane extr methodmonthly average≤ 15 mg/Lall year604
Oil and grease, hexane extr methoddaily maximum≤ 20 mg/Lall year604
Oil and grease, hexane extr methodmonthly average≤ 320 kg/dall year604
Oil and grease, hexane extr methoddaily maximum≤ 427 kg/dall year604
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year604
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year604
pHdaily minimum≥ 6 SUall year606
pHdaily maximum≤ 9 SUall year606
Solids, total suspendedmonthly average≤ 30 mg/Lall year606
Solids, total suspendeddaily maximum≤ 45 mg/Lall year606
Solids, total suspendedmonthly average≤ .681 kg/dall year606
Solids, total suspendeddaily maximum≤ 1.02 kg/dall year606
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec606
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec606
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec606
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec606
Turbidity [severity]monthly averagereport only (severity)all year606
Turbidity [severity]daily maximumreport only (severity)all year606
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Nov, Dec606
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 2000 #/100mLJan, Feb, Mar, Apr, Nov, Dec606
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct606
E. coli, MTEC-MFweekly geometric mean≤ 240 MPN/100mLMay–Oct606
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year606
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year606
Chlorine, total residualdaily maximum≤ .038 mg/Lall year606
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year606
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/Lall year606
BOD, carbonaceous [5 day, 20 C]monthly average≤ .568 kg/dall year606
BOD, carbonaceous [5 day, 20 C]daily maximum≤ .908 kg/dall year606
pHdaily minimum≥ 6 SUall year607
pHdaily maximum≤ 9 SUall year607
Solids, total suspendedmonthly average≤ 30 mg/Lall year607
Solids, total suspendeddaily maximum≤ 45 mg/Lall year607
Solids, total suspendedmonthly average≤ .795 kg/dall year607
Solids, total suspendeddaily maximum≤ 1.19 kg/dall year607
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec607
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec607
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec607
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec607
Turbidity [severity]monthly averagereport only (severity)all year607
Turbidity [severity]daily maximumreport only (severity)all year607
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Nov, Dec607
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 2000 #/100mLJan, Feb, Mar, Apr, Nov, Dec607
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct607
E. coli, MTEC-MFweekly geometric mean≤ 240 MPN/100mLMay–Oct607
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year607
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year607
Chlorine, total residualdaily maximum≤ .038 mg/Lall year607
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year607
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/Lall year607
BOD, carbonaceous [5 day, 20 C]monthly average≤ .662 kg/dall year607
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1.06 kg/dall year607
Temperature, water deg. centigrademonthly averagereport only (deg C)all year608
Temperature, water deg. centigradedaily maximumreport only (deg C)all year608
Specific conductancemonthly averagereport only (umho/cm)all year608
Specific conductancedaily maximumreport only (umho/cm)all year608
pHdaily minimum≥ 6 SUall year608
pHdaily maximum≤ 9 SUall year608
Alkalinity, total [as CaCO3]monthly averagereport only (mg/L)all year608
Alkalinity, total [as CaCO3]daily maximumreport only (mg/L)all year608
Solids, total suspendedmonthly average≤ 30 mg/Lall year608
Solids, total suspendeddaily maximum≤ 100 mg/Lall year608
Oil and grease, hexane extr methodmonthly average≤ 15 mg/Lall year608
Oil and grease, hexane extr methoddaily maximum≤ 20 mg/Lall year608
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec608
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec608
Chloride [as Cl]monthly averagereport only (mg/L)all year608
Chloride [as Cl]daily maximumreport only (mg/L)all year608
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year608
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year608
Fluoride, total [as F]monthly averagereport only (mg/L)all year608
Fluoride, total [as F]daily maximumreport only (mg/L)all year608
Iron, total recoverablemonthly averagereport only (ug/L)all year608
Iron, total recoverabledaily maximumreport only (ug/L)all year608
Arsenic, total [as As]monthly averagereport only (ug/L)all year608
Arsenic, total [as As]daily maximumreport only (ug/L)all year608
Barium, total recoverablemonthly averagereport only (ug/L)all year608
Barium, total recoverabledaily maximumreport only (ug/L)all year608
Boron, total [as B]monthly averagereport only (ug/L)all year608
Boron, total [as B]daily maximumreport only (ug/L)all year608
Manganese, total [as Mn]monthly averagereport only (ug/L)all year608
Manganese, total [as Mn]daily maximumreport only (ug/L)all year608
Zinc, total recoverablemonthly averagereport only (ug/L)all year608
Zinc, total recoverabledaily maximumreport only (ug/L)all year608
Chromium, total recoverablemonthly averagereport only (ug/L)all year608
Chromium, total recoverabledaily maximumreport only (ug/L)all year608
Copper, total recoverablemonthly averagereport only (ug/L)all year608
Copper, total recoverabledaily maximumreport only (ug/L)all year608
Selenium, total [as Se]monthly averagereport only (ug/L)all year608
Selenium, total [as Se]daily maximumreport only (ug/L)all year608
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year608
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year608
Mercury, total low levelmonthly averagereport only (ng/L)all year608
Mercury, total low leveldaily maximumreport only (ng/L)all year608
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year608
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year608
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year800
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year800
Copper, total recoverablemonthly averagereport only (ug/L)Feb, Apr, Jun, Aug, Oct, Dec800
Copper, total recoverabledaily maximumreport only (ug/L)Feb, Apr, Jun, Aug, Oct, Dec800
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year800
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year800

New limits from Nov 1, 2026

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Copper, total recoverable, daily maximum15 ug/Ltighter——

How strict are these limits?

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

Same industry: the 31 Electric Services permits in Ohio.

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