AEP Generating Co

NPDES permit OH0127892 · Major NON-POTW · effective, expires 2028-10-31 · 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
0required values missing, on 0 form(s)
0of 22 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (26)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
001Phosphorus, total [as P]MO AVG report only Mar, Jun, Aug, Dec
001Phosphorus, total [as P]DAILY MX report only Mar, Jun, Aug, Dec
001Oxidants, total residualDAILY MX 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
001Chlorine, total residualDAILY MX <= .038 mg/L all year
001Mercury, total low levelMO AVG report only all year
001Mercury, total low levelDAILY MX report only all year
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
801Temperature, water deg. fahrenheitMO AVG report only all year
801Temperature, water deg. fahrenheitDAILY MX report only all year
801Phosphorus, total [as P]MO AVG report only Mar, Jun, Aug, Dec
801Phosphorus, total [as P]DAILY MX report only Mar, Jun, Aug, Dec
801Flow, in conduit or thru treatment plantMO AVG report only all year
801Flow, in conduit or thru treatment plantDAILY MX report only all year
801Mercury, total low levelMO AVG report only all year
801Mercury, total low levelDAILY 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