CONSTELLATION ENERGY GENERATION LLC

NPDES permit PA0013714 · Major NON-POTW · effective, expires 2031-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
50required values missing, on 5 form(s)
0of 42 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (90)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001PCBs Wet Weather AnalysisDAILY MX report only all year
008Temperature, water deg. fahrenheitMO AVG report only all year
008Temperature, water deg. fahrenheitMO AVG report only all year
008Temperature, water deg. fahrenheitINST MAX <= 110 deg F all year
008Temp. diff. between samp. & upstrm deg. FMO AVG <= 21 deg F all year
008pHINST MIN >= 6 SU all year
008pHINST MAX <= 9 SU all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Solids, total suspendedDAILY MX <= 100 mg/L all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Lead, total [as Pb]DAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Chlorine, total residualINST MAX <= .2 mg/L all year
008Bromide [as Br]DAILY MX report only all year
008Alkyl dimethylbenzyl ammonium chlorideDAILY MX <= .05 mg/L all year
010BOD, 5-day, 20 deg. CDAILY MX report only all year
010Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
010pHDAILY MX report only all year
010Solids, total suspendedDAILY MX report only all year
010Oil & GreaseDAILY MX report only all year
010Nitrogen, total [as N]DAILY MX report only all year
010Phosphorus, total [as P]DAILY MX report only all year
010Iron, total [as Fe]DAILY MX report only all year
013BOD, 5-day, 20 deg. CDAILY MX report only all year
013Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
013pHDAILY MX report only all year
013Solids, total suspendedDAILY MX report only all year
013Oil & GreaseDAILY MX report only all year
013Nitrogen, total [as N]DAILY MX report only all year
013Phosphorus, total [as P]DAILY MX report only all year
013Iron, total [as Fe]DAILY MX report only all year
014BOD, 5-day, 20 deg. CDAILY MX report only all year
014Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
014pHDAILY MX report only all year
014Solids, total suspendedDAILY MX report only all year
014Oil & GreaseDAILY MX report only all year
014Nitrogen, total [as N]DAILY MX report only all year
014Phosphorus, total [as P]DAILY MX report only all year
014Iron, total [as Fe]DAILY MX report only all year
108pHINST MIN >= 6 SU all year
108pHINST MAX <= 9 SU all year
108Solids, total suspendedMO AVG <= 30 mg/L all year
108Solids, total suspendedDAILY MX <= 100 mg/L all year
108Oil & GreaseMO AVG <= 15 mg/L all year
108Oil & GreaseDAILY MX <= 20 mg/L all year
108Copper, total [as Cu]MO AVG <= .085 mg/L all year
108Copper, total [as Cu]DAILY MX <= .17 mg/L all year
108Iron, total [as Fe]MO AVG report only all year
108Iron, total [as Fe]DAILY MX report only all year
108Zinc, total [as Zn]MO AVG report only all year
108Zinc, total [as Zn]DAILY MX report only all year
108DichlorobromomethaneMO AVG report only all year
108DichlorobromomethaneDAILY MX report only all year
108ChloroformMO AVG report only all year
108ChloroformDAILY MX report only all year
108Flow, in conduit or thru treatment plantMO AVG report only all year
108Flow, in conduit or thru treatment plantDAILY MX report only all year
108Perfluorooctanoic acid (PFOA)DAILY MX report only all year
108PerfluorooctanesulfonateDAILY MX report only all year
108PCBs Dry Weather AnalysisDAILY MX report only all year
108Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
108Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
108Solids, total dissolvedMO AVG <= 1000 mg/L all year
108Solids, total dissolvedDAILY MX <= 2000 mg/L all year
110BOD, 5-day, 20 deg. CDAILY MX report only all year
110Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
110pHINST MIN >= 6 SU all year
110pHINST MAX <= 9 SU all year
110Solids, total suspendedDAILY MX report only all year
110Oil & GreaseQRTR AVG <= 15 mg/L all year
110Oil & GreaseINST MAX <= 30 mg/L all year
110Nitrogen, total [as N]DAILY MX report only all year
110Phosphorus, total [as P]DAILY MX report only all year
110Iron, total [as Fe]DAILY MX report only all year
110Petrol hydrocarbons, total recoverableQRTR AVG <= 15 mg/L all year
110Petrol hydrocarbons, total recoverableINST MAX <= 30 mg/L all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states