ALLEGHENY ENERGY SUPPLY CO LLC

NPDES permit PA0002917 · Minor NON-POTW · effective, expires 2027-05-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 76 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 (60)

OutfallParameterStatisticLimitMonths
006pHDAILY MX report only all year
006Solids, total suspendedDAILY MX report only all year
006Oil & GreaseDAILY MX report only all year
006Iron, total [as Fe]DAILY MX report only all year
008pHDAILY MX report only all year
008Solids, total suspendedDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Iron, total [as Fe]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
010Iron, total [as Fe]DAILY MX report only all year
013pHINST MIN >= 6 SU all year
013pHINST MAX <= 9 SU all year
013Solids, total suspendedMO AVG <= 30 mg/L all year
013Solids, total suspendedDAILY MX <= 100 mg/L all year
013Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
013Iron, total [as Fe]DAILY MX <= 7 mg/L all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
016pHINST MIN >= 6 SU all year
016pHINST MAX <= 9 SU all year
016Solids, total suspendedMO AVG <= 30 mg/L all year
016Solids, total suspendedDAILY MX <= 100 mg/L all year
016Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
016Iron, total [as Fe]DAILY MX <= 7 mg/L all year
016Flow, in conduit or thru treatment plantMO AVG report only all year
016Flow, in conduit or thru treatment plantDAILY MX report only all year
106pHDAILY MX report only all year
106Solids, total suspendedDAILY MX report only all year
106Oil & GreaseDAILY MX report only all year
106Iron, total [as Fe]DAILY MX report only all year
110pHDAILY MX report only all year
110Solids, total suspendedDAILY MX report only all year
110Oil & GreaseDAILY MX report only all year
110Iron, total [as Fe]DAILY MX report only all year
115pHINST MIN >= 6 SU all year
115pHINST MAX <= 9 SU all year
115Solids, total suspendedMO AVG <= 30 mg/L all year
115Solids, total suspendedDAILY MX <= 100 mg/L all year
115Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
115Iron, total [as Fe]DAILY MX <= 7 mg/L all year
115Flow, in conduit or thru treatment plantMO AVG report only all year
115Flow, in conduit or thru treatment plantDAILY MX report only all year
215pHINST MIN >= 6 SU all year
215pHINST MAX <= 9 SU all year
215Solids, total suspendedMO AVG <= 30 mg/L all year
215Solids, total suspendedDAILY MX <= 100 mg/L all year
215Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
215Iron, total [as Fe]DAILY MX <= 7 mg/L all year
215Flow, in conduit or thru treatment plantMO AVG report only all year
215Flow, in conduit or thru treatment plantDAILY MX report only all year
315pHINST MIN >= 6 SU all year
315pHINST MAX <= 9 SU all year
315Solids, total suspendedMO AVG <= 30 mg/L all year
315Solids, total suspendedDAILY MX <= 100 mg/L all year
315Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
315Iron, total [as Fe]DAILY MX <= 7 mg/L all year
315Flow, in conduit or thru treatment plantMO AVG report only all year
315Flow, in conduit or thru treatment plantDAILY MX report only 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