TimkenSteel Corp. - Canton WWTP

NPDES permit OH0004219 · Major NON-POTW · effective, expires 2029-03-31 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Silver total recoverable (2), Lead, total recoverable (1).

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 (58)

OutfallParameterStatisticLimitMonths
015Temperature, water deg. centigradeMO AVG report only all year
015Temperature, water deg. centigradeDAILY MX report only all year
015Solids, total suspendedMO AVG <= 10 mg/L all year
015Solids, total suspendedDAILY MX <= 30 mg/L all year
015Solids, total suspendedMO AVG <= 133 kg/d all year
015Solids, total suspendedDAILY MX <= 397 kg/d all year
015Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
015Oil and grease, hexane extr methodMO AVG <= 31.8 kg/d all year
015Oil and grease, hexane extr methodDAILY MX <= 133 kg/d all year
015Phosphorus, total [as P]MO AVG report only all year
015Phosphorus, total [as P]DAILY MX report only all year
015Fluoride, total [as F]MO AVG report only all year
015Fluoride, total [as F]DAILY MX report only all year
015Selenium, total recoverableMO AVG report only all year
015Selenium, total recoverableDAILY MX report only all year
015Nickel, total recoverableMO AVG <= 171 ug/L all year
015Nickel, total recoverableDAILY MX <= 459 ug/L all year
015Nickel, total recoverableMO AVG <= 2.27 kg/d all year
015Nickel, total recoverableDAILY MX <= 6.08 kg/d all year
015Silver total recoverableMO AVG <= 1.3 ug/L all year
015Silver total recoverableDAILY MX <= 17 ug/L all year
015Silver total recoverableMO AVG <= .017 kg/d all year
015Silver total recoverableDAILY MX <= .226 kg/d all year
015Zinc, total recoverableMO AVG <= 211 ug/L all year
015Zinc, total recoverableDAILY MX <= 393 ug/L all year
015Zinc, total recoverableMO AVG <= 2.8 kg/d all year
015Zinc, total recoverableDAILY MX <= 5.21 kg/d all year
015Lead, total recoverableMO AVG <= 32 ug/L all year
015Lead, total recoverableDAILY MX <= 161 ug/L all year
015Lead, total recoverableMO AVG <= .42 kg/d all year
015Lead, total recoverableDAILY MX <= 2.13 kg/d all year
015Chromium, total recoverableMO AVG <= 108 ug/L all year
015Chromium, total recoverableDAILY MX <= 319 ug/L all year
015Chromium, total recoverableMO AVG <= 1.43 kg/d all year
015Chromium, total recoverableDAILY MX <= 4.23 kg/d all year
015Copper, total recoverableMO AVG <= 30 ug/L all year
015Copper, total recoverableDAILY MX <= 52 ug/L all year
015Copper, total recoverableMO AVG <= .397 kg/d all year
015Copper, total recoverableDAILY MX <= .689 kg/d all year
015Oxidants, total residualDAILY MX <= .0024 mg/L all year
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
015Chlorine, total residualDAILY MX report only all year
015Mercury, total low levelMO AVG report only Mar, Sep
015Mercury, total low levelDAILY MX report only Mar, Sep
015pH Range Excursion, Maximum DurationDAILY MX report only all year
015Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Sep
015Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Sep
015Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only Sep
015Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only Sep
015pH, maximumDAILY MX report only all year
015pH, minimumDAILY MN report only all year
015Solids, total dissolved- 180 deg. CMO AVG report only all year
015Solids, total dissolved- 180 deg. CDAILY MX report only all year
015Organics, total toxic [TTO]DAILY MX <= 245 ug/L all year
015Organics, total toxic [TTO]DAILY MX <= 3.25 kg/d all year
015pH range excursions, > 60 minutesDAILY MX report only all year
015pH range excursions, monthly total accumDAILY MX <= 446 min 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