City of Toronto WTP

NPDES permit OH0059234 · Minor NON-POTW · effective, expires 2031-03-31 · 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 36 forms filed late

Last period with anything received: 2026-08-31.

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 (34)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY 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
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Solids, total suspendedMO AVG <= 1.82 kg/d all year
002Solids, total suspendedDAILY MX <= 2.72 kg/d all year
002DichlorobromomethaneMO AVG report only Sep
002DichlorobromomethaneDAILY MX report only Sep
002BromoformMO AVG report only Sep
002BromoformDAILY MX report only Sep
002DibromochloromethaneMO AVG report only Sep
002DibromochloromethaneDAILY MX report only Sep
002ChloroformMO AVG report only Sep
002ChloroformDAILY MX report only Sep
002Methyl bromide [Bromomethane]MO AVG report only Sep
002Methyl bromide [Bromomethane]DAILY MX report only Sep
002Methyl chloride [Chloromethane]MO AVG report only Sep
002Methyl chloride [Chloromethane]DAILY MX report only Sep
002Methylene chlorideMO AVG report only Sep
002Methylene chlorideDAILY MX report only Sep
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY MX <= .038 mg/L all year
801Solids, total suspendedMO AVG report only all year
801Solids, total suspendedDAILY MX report only all year
801Flow, in conduit or thru treatment plantMO AVG report only all year
801Flow, 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