COMMONWEALTH EDISON COMPANY

NPDES permit IL0059064 · Minor NON-POTW · effective, expires 2027-04-30 · 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 25 days after each monitoring period ends (the most common figure among IL permits in EPA's filings — check your permit).

Limits in force (20)

OutfallParameterStatisticLimitMonths
001pHMO MIN report only all year
001pHMO MAX report only all year
001Solids, total suspended30DA AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease30DA AVG report only all year
001Oil and greaseDAILY MX report only all year
001Polychlorinated biphenyls [PCBs]30DA AVG report only all year
001Polychlorinated biphenyls [PCBs]DAILY 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
002pHMO MIN report only all year
002pHMO MAX report only all year
002Solids, total suspended30DA AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil and grease30DA AVG report only all year
002Oil and greaseDAILY MX report only all year
002Polychlorinated biphenyls [PCBs]30DA AVG report only all year
002Polychlorinated biphenyls [PCBs]DAILY MX report only 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

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