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Constellation Energy Generation LLC

Electric Services, major discharger, Eddystone, Pennsylvania. NPDES permit PA0013714, in force until Feb 28, 2031. Last 12 months: no values over a limit, 37 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 008 form A monthly (17 values), outfall 108 form A monthly (20 values), outfall 001 form S twice a year, outfall 001 form Y yearly, outfall 008 form Q quarterly, outfall 010 form S twice a year, and 6 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 44 reports late

Limits in force (90)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
PCBs Wet Weather Analysisdaily maximumreport only (pg/L)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year008
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year008
Temperature, water deg. fahrenheitinstantaneous maximum≤ 110 deg Fall year008
Temp. diff. between samp. & upstrm deg. Fmonthly average≤ 21 deg Fall year008
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
Solids, total suspendedmonthly averagereport only (mg/L)all year008
Solids, total suspendeddaily maximumreport only (mg/L)all year008
Solids, total suspendedmonthly averagereport only (mg/L)all year008
Solids, total suspendeddaily maximumreport only (mg/L)all year008
Solids, total suspendedmonthly average≤ 30 mg/Lall year008
Solids, total suspendeddaily maximum≤ 100 mg/Lall year008
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year008
Copper, total [as Cu]daily maximumreport only (mg/L)all year008
Lead, total [as Pb]daily maximumreport only (mg/L)all 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
Chlorine, total residualinstantaneous maximum≤ .2 mg/Lall year008
Bromide [as Br]daily maximumreport only (mg/L)all year008
Alkyl dimethylbenzyl ammonium chloridedaily maximum≤ .05 mg/Lall year008
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year010
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year010
pHdaily maximumreport only (SU)all year010
Solids, total suspendeddaily maximumreport only (mg/L)all year010
Oil & Greasedaily maximumreport only (mg/L)all year010
Nitrogen, total [as N]daily maximumreport only (mg/L)all year010
Phosphorus, total [as P]daily maximumreport only (mg/L)all year010
Iron, total [as Fe]daily maximumreport only (mg/L)all year010
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year013
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year013
pHdaily maximumreport only (SU)all year013
Solids, total suspendeddaily maximumreport only (mg/L)all year013
Oil & Greasedaily maximumreport only (mg/L)all year013
Nitrogen, total [as N]daily maximumreport only (mg/L)all year013
Phosphorus, total [as P]daily maximumreport only (mg/L)all year013
Iron, total [as Fe]daily maximumreport only (mg/L)all year013
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year014
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year014
pHdaily maximumreport only (SU)all year014
Solids, total suspendeddaily maximumreport only (mg/L)all year014
Oil & Greasedaily maximumreport only (mg/L)all year014
Nitrogen, total [as N]daily maximumreport only (mg/L)all year014
Phosphorus, total [as P]daily maximumreport only (mg/L)all year014
Iron, total [as Fe]daily maximumreport only (mg/L)all year014
pHinstantaneous minimum≥ 6 SUall year108
pHinstantaneous maximum≤ 9 SUall year108
Solids, total suspendedmonthly average≤ 30 mg/Lall year108
Solids, total suspendeddaily maximum≤ 100 mg/Lall year108
Oil & Greasemonthly average≤ 15 mg/Lall year108
Oil & Greasedaily maximum≤ 20 mg/Lall year108
Copper, total [as Cu]monthly average≤ .085 mg/Lall year108
Copper, total [as Cu]daily maximum≤ .17 mg/Lall year108
Iron, total [as Fe]monthly averagereport only (mg/L)all year108
Iron, total [as Fe]daily maximumreport only (mg/L)all year108
Zinc, total [as Zn]monthly averagereport only (mg/L)all year108
Zinc, total [as Zn]daily maximumreport only (mg/L)all year108
Dichlorobromomethanemonthly averagereport only (mg/L)all year108
Dichlorobromomethanedaily maximumreport only (mg/L)all year108
Chloroformmonthly averagereport only (mg/L)all year108
Chloroformdaily maximumreport only (mg/L)all year108
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year108
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year108
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year108
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year108
PCBs Dry Weather Analysisdaily maximumreport only (pg/L)all year108
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year108
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year108
Solids, total dissolvedmonthly average≤ 1000 mg/Lall year108
Solids, total dissolveddaily maximum≤ 2000 mg/Lall year108
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year110
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year110
pHinstantaneous minimum≥ 6 SUall year110
pHinstantaneous maximum≤ 9 SUall year110
Solids, total suspendeddaily maximumreport only (mg/L)all year110
Oil & Greasequarterly average≤ 15 mg/Lall year110
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year110
Nitrogen, total [as N]daily maximumreport only (mg/L)all year110
Phosphorus, total [as P]daily maximumreport only (mg/L)all year110
Iron, total [as Fe]daily maximumreport only (mg/L)all year110
Petrol hydrocarbons, total recoverablequarterly average≤ 15 mg/Lall year110
Petrol hydrocarbons, total recoverableinstantaneous maximum≤ 30 mg/Lall year110

How strict are these limits?

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

Same industry: the 63 Electric Services permits in Pennsylvania.

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Your permit document is the final word. As JSON: /api/v1/permits/PA0013714 · MCP: https://passage-data.com/mcp