EXELON GENERATION COMPANY LLC

NPDES permit NY0020109 · Major NON-POTW · administratively continued, expires 2013-07-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2013-07-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 169 forms filed late

Last period with anything received: 2026-07-31.

Reporting

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

Limits in force (86)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 112 deg F all year
001Flow rateDAILY MX report only all year
001Specific conductanceDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM >= 4 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Boron, total [as B]DAILY MX <= 1 mg/L all year
001Boron, total [as B]DAILY MX report only all year
001Clamtrol CT-1, Total WaterDAILY MX <= .2 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .1 mg/L all year
001Chlorine, total residualDAILY MX <= .2 mg/L all year
001Chlorine, total residualDAILY MX <= .2 mg/L all year
001Chlorine, total residualDAILY MX <= .2 mg/L all year
001Net rate of additionof heatMO AVG report only all year
001Net rate of additionof heatDAILY MX <= 6 GBTU/hr all year
001Temp. diff. between intake and dischargeMO AVG report only all year
001Temp. diff. between intake and dischargeDAILY MX <= 32.4 deg F all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 50 mg/L all year
002Oil & GreaseMO AVG report only all year
002Oil & GreaseMO AVG report only all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
005Flow rateDAILY MX report only all year
005Flow rateDAILY MX report only all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
005Solids, settleableDAILY MX <= .3 mL/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
012Flow rateMO AVG <= 60000 gal/d all year
012BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
012BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012Solids, total suspendedMO AVG <= 30 mg/L all year
012Solids, total suspended7 DA AVG <= 45 mg/L all year
012Solids, settleableDAILY MX <= .1 mL/L all year
012Chlorine, total residualMAXIMUM <= .1 mg/L all year
012Coliform, fecal general30DA GEO <= 200 #/100mL all year
012Coliform, fecal general7 DA GEO <= 400 #/100mL all year
026Flow rateMO AVG report only all year
026Flow rateDAILY MX report only all year
026pHMINIMUM >= 6 SU all year
026pHMAXIMUM <= 9 SU all year
026Solids, total suspendedMO AVG <= 30 mg/L all year
026Solids, total suspendedDAILY MX <= 50 mg/L all year
026Oil & GreaseDAILY MX <= 15 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