City of Delaware

NPDES permit OH0142476 · Minor NON-POTW · effective, expires 2027-11-30 · 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 264 forms filed late

Last period with anything received: 2026-08-31. Most often over: Strontium, total recoverable, ug/L (2), Solids, total suspended (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 (121)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 7 mg/L all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 12 mg/L Jan, Feb, Mar, Dec
001Solids, total suspendedMO AVG <= 12 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedDAILY MX <= 18 mg/L Jan, Feb, Mar, Dec
001Solids, total suspendedDAILY MX <= 18 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedMO AVG <= 78.6 kg/d Jan, Feb, Mar, Dec
001Solids, total suspendedMO AVG <= 78.6 kg/d Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Solids, total suspendedDAILY MX <= 118 kg/d Jan, Feb, Mar, Dec
001Solids, total suspendedDAILY MX <= 118 kg/d Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Iron, suspendedMO AVG report only Jan, Feb, Mar, Dec
001Iron, suspendedMO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Iron, suspendedDAILY MX report only Jan, Feb, Mar, Dec
001Iron, suspendedDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Manganese, suspendedMO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Manganese, suspendedMO AVG report only Jan, Feb, Mar, Dec
001Manganese, suspendedDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001Manganese, suspendedDAILY MX report only Jan, Feb, Mar, Dec
001DichlorobromomethaneMO AVG report only Sep
001DichlorobromomethaneDAILY MX report only Sep
001BromoformMO AVG report only Sep
001BromoformDAILY MX report only Sep
001DibromochloromethaneMO AVG report only Sep
001DibromochloromethaneDAILY MX report only Sep
001ChloroformMO AVG report only Sep
001ChloroformDAILY MX report only Sep
001Methyl bromide [Bromomethane]MO AVG report only Sep
001Methyl bromide [Bromomethane]DAILY MX report only Sep
001Methyl chloride [Chloromethane]MO AVG report only Sep
001Methyl chloride [Chloromethane]DAILY MX report only Sep
001Methylene chlorideMO AVG report only Sep
001Methylene chlorideDAILY MX report only Sep
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
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute Mar, Jun, Aug, Dec
020Strontium, total recoverable, ug/LMO AVG <= 37 kg/d all year
020Flow, in conduit or thru treatment plantMO AVG report only all year
020Flow, in conduit or thru treatment plantDAILY MX report only all year
020Solids, total dissolved- 180 deg. CMO AVG <= 3082 kg/d all year
021Strontium, total recoverable, ug/LMO AVG <= 75 kg/d all year
021Flow, in conduit or thru treatment plantMO AVG report only all year
021Flow, in conduit or thru treatment plantDAILY MX report only all year
021Solids, total dissolved- 180 deg. CMO AVG <= 6164 kg/d all year
022Strontium, total recoverable, ug/LMO AVG <= 112 kg/d all year
022Flow, in conduit or thru treatment plantMO AVG report only all year
022Flow, in conduit or thru treatment plantDAILY MX report only all year
022Solids, total dissolved- 180 deg. CMO AVG <= 9247 kg/d all year
023Strontium, total recoverable, ug/LMO AVG <= 150 kg/d all year
023Flow, in conduit or thru treatment plantMO AVG report only all year
023Flow, in conduit or thru treatment plantDAILY MX report only all year
023Solids, total dissolved- 180 deg. CMO AVG <= 12329 kg/d all year
024Strontium, total recoverable, ug/LMO AVG <= 187 kg/d all year
024Flow, in conduit or thru treatment plantMO AVG report only all year
024Flow, in conduit or thru treatment plantDAILY MX report only all year
024Solids, total dissolved- 180 deg. CMO AVG <= 15411 kg/d all year
025Strontium, total recoverable, ug/LMO AVG <= 225 kg/d all year
025Flow, in conduit or thru treatment plantMO AVG report only all year
025Flow, in conduit or thru treatment plantDAILY MX report only all year
025Solids, total dissolved- 180 deg. CMO AVG <= 18494 kg/d all year
026Strontium, total recoverable, ug/LMO AVG <= 263 kg/d all year
026Flow, in conduit or thru treatment plantMO AVG report only all year
026Flow, in conduit or thru treatment plantDAILY MX report only all year
026Solids, total dissolved- 180 deg. CMO AVG <= 21576 kg/d all year
027Strontium, total recoverable, ug/LMO AVG <= 300 kg/d all year
027Flow, in conduit or thru treatment plantMO AVG report only all year
027Flow, in conduit or thru treatment plantDAILY MX report only all year
027Solids, total dissolved- 180 deg. CMO AVG <= 24658 kg/d all year
028Strontium, total recoverable, ug/LMO AVG <= 375 kg/d all year
028Flow, in conduit or thru treatment plantMO AVG report only all year
028Flow, in conduit or thru treatment plantDAILY MX report only all year
028Solids, total dissolved- 180 deg. CMO AVG <= 30823 kg/d all year
029Strontium, total recoverable, ug/LMO AVG <= 451 kg/d all year
029Flow, in conduit or thru treatment plantMO AVG report only all year
029Flow, in conduit or thru treatment plantDAILY MX report only all year
029Solids, total dissolved- 180 deg. CMO AVG <= 36988 kg/d all year
030Strontium, total recoverable, ug/LMO AVG <= 526 kg/d all year
030Flow, in conduit or thru treatment plantMO AVG report only all year
030Flow, in conduit or thru treatment plantDAILY MX report only all year
030Solids, total dissolved- 180 deg. CMO AVG <= 43152 kg/d all year
031Strontium, total recoverable, ug/LMO AVG <= 601 kg/d all year
031Flow, in conduit or thru treatment plantMO AVG report only all year
031Flow, in conduit or thru treatment plantDAILY MX report only all year
031Solids, total dissolved- 180 deg. CMO AVG <= 49317 kg/d all year
032Strontium, total recoverable, ug/LMO AVG <= 601 kg/d all year
032Flow, in conduit or thru treatment plantMO AVG report only all year
032Flow, in conduit or thru treatment plantDAILY MX report only all year
032Solids, total dissolved- 180 deg. CMO AVG <= 55482 kg/d all year
033Strontium, total recoverable, ug/LMO AVG <= 601 kg/d all year
033Flow, in conduit or thru treatment plantMO AVG report only all year
033Flow, in conduit or thru treatment plantDAILY MX report only all year
033Solids, total dissolved- 180 deg. CMO AVG <= 61647 kg/d all year
034Strontium, total recoverable, ug/LMO AVG <= 601 kg/d all year
034Flow, in conduit or thru treatment plantMO AVG report only all year
034Flow, in conduit or thru treatment plantDAILY MX report only all year
034Solids, total dissolved- 180 deg. CMO AVG <= 67811 kg/d all year
035Strontium, total recoverable, ug/LMO AVG <= 601 kg/d all year
035Flow, in conduit or thru treatment plantMO AVG report only all year
035Flow, in conduit or thru treatment plantDAILY MX report only all year
035Solids, total dissolved- 180 deg. CMO AVG <= 73976 kg/d all year
036Strontium, total recoverable, ug/LMO AVG <= 601 kg/d all year
036Flow, in conduit or thru treatment plantMO AVG report only all year
036Flow, in conduit or thru treatment plantDAILY MX report only all year
036Solids, total dissolved- 180 deg. CMO AVG <= 86305 kg/d all year
037Strontium, total recoverable, ug/LMO AVG <= 601 kg/d all year
037Flow, in conduit or thru treatment plantMO AVG report only all year
037Flow, in conduit or thru treatment plantDAILY MX report only all year
037Solids, total dissolved- 180 deg. CMO AVG <= 98635 kg/d all year
800Flow, in conduit or thru treatment plantMO AVG report only all year
800Flow, in conduit or thru treatment plantDAILY MX report only all year
801Strontium, total recoverable, ug/LMO AVG report only Mar, Jun, Aug, Dec
801Strontium, total recoverable, ug/LDAILY 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
801Solids, total dissolved- 180 deg. CMO AVG report only all year
801Solids, total dissolved- 180 deg. CDAILY MX report only all year
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Mar, Jun, Aug, Dec
901Solids, total dissolved- 180 deg. CMO AVG report only all year
901Solids, total dissolved- 180 deg. CDAILY 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