Passage Data · Check a report · Use it from your AI

City of Delaware

Water Supply, Delaware, Ohio. NPDES permit OH0142476, in force until Nov 30, 2027. Last 12 months: over a limit 3 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (28 values), outfall 020 form A monthly (4 values), outfall 021 form A monthly (4 values), outfall 022 form A monthly (4 values), outfall 023 form A monthly (4 values), outfall 024 form A monthly (4 values), and 16 more forms
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 264 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingOutfallParameterReportedLimitOver by
December 2025024Strontium, total recoverable, ug/L, monthly average234≤ 187 kg/d25%
December 2025025Strontium, total recoverable, ug/L, monthly average259≤ 225 kg/d15%
July 2026001Solids, total suspended, daily maximum120≤ 118 kg/d2%

Limits in force (121)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/LJan, Feb, Mar, Dec001
Solids, total suspendedmonthly average≤ 12 mg/LApr–Nov001
Solids, total suspendeddaily maximum≤ 18 mg/LJan, Feb, Mar, Dec001
Solids, total suspendeddaily maximum≤ 18 mg/LApr–Nov001
Solids, total suspendedmonthly average≤ 78.6 kg/dJan, Feb, Mar, Dec001
Solids, total suspendedmonthly average≤ 78.6 kg/dApr–Nov001
Solids, total suspendeddaily maximum≤ 118 kg/dJan, Feb, Mar, Dec001
Solids, total suspendeddaily maximum≤ 118 kg/dApr–Nov001
Iron, suspendedmonthly averagereport only (ug/L)Jan, Feb, Mar, Dec001
Iron, suspendedmonthly averagereport only (ug/L)Apr–Nov001
Iron, suspendeddaily maximumreport only (ug/L)Jan, Feb, Mar, Dec001
Iron, suspendeddaily maximumreport only (ug/L)Apr–Nov001
Manganese, suspendedmonthly averagereport only (ug/L)Apr–Nov001
Manganese, suspendedmonthly averagereport only (ug/L)Jan, Feb, Mar, Dec001
Manganese, suspendeddaily maximumreport only (ug/L)Apr–Nov001
Manganese, suspendeddaily maximumreport only (ug/L)Jan, Feb, Mar, Dec001
Dichlorobromomethanemonthly averagereport only (ug/L)Sep001
Dichlorobromomethanedaily maximumreport only (ug/L)Sep001
Bromoformmonthly averagereport only (ug/L)Sep001
Bromoformdaily maximumreport only (ug/L)Sep001
Dibromochloromethanemonthly averagereport only (ug/L)Sep001
Dibromochloromethanedaily maximumreport only (ug/L)Sep001
Chloroformmonthly averagereport only (ug/L)Sep001
Chloroformdaily maximumreport only (ug/L)Sep001
Methyl bromide [Bromomethane]monthly averagereport only (ug/L)Sep001
Methyl bromide [Bromomethane]daily maximumreport only (ug/L)Sep001
Methyl chloride [Chloromethane]monthly averagereport only (ug/L)Sep001
Methyl chloride [Chloromethane]daily maximumreport only (ug/L)Sep001
Methylene chloridemonthly averagereport only (ug/L)Sep001
Methylene chloridedaily maximumreport only (ug/L)Sep001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .038 mg/Lall year001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteMar, Jun, Aug, Dec001
Strontium, total recoverable, ug/Lmonthly average≤ 37 kg/dall year020
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year020
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year020
Solids, total dissolved- 180 deg. Cmonthly average≤ 3082 kg/dall year020
Strontium, total recoverable, ug/Lmonthly average≤ 75 kg/dall year021
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year021
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year021
Solids, total dissolved- 180 deg. Cmonthly average≤ 6164 kg/dall year021
Strontium, total recoverable, ug/Lmonthly average≤ 112 kg/dall year022
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year022
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year022
Solids, total dissolved- 180 deg. Cmonthly average≤ 9247 kg/dall year022
Strontium, total recoverable, ug/Lmonthly average≤ 150 kg/dall year023
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year023
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year023
Solids, total dissolved- 180 deg. Cmonthly average≤ 12329 kg/dall year023
Strontium, total recoverable, ug/Lmonthly average≤ 187 kg/dall year024
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year024
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year024
Solids, total dissolved- 180 deg. Cmonthly average≤ 15411 kg/dall year024
Strontium, total recoverable, ug/Lmonthly average≤ 225 kg/dall year025
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year025
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year025
Solids, total dissolved- 180 deg. Cmonthly average≤ 18494 kg/dall year025
Strontium, total recoverable, ug/Lmonthly average≤ 263 kg/dall year026
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year026
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year026
Solids, total dissolved- 180 deg. Cmonthly average≤ 21576 kg/dall year026
Strontium, total recoverable, ug/Lmonthly average≤ 300 kg/dall year027
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year027
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year027
Solids, total dissolved- 180 deg. Cmonthly average≤ 24658 kg/dall year027
Strontium, total recoverable, ug/Lmonthly average≤ 375 kg/dall year028
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year028
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year028
Solids, total dissolved- 180 deg. Cmonthly average≤ 30823 kg/dall year028
Strontium, total recoverable, ug/Lmonthly average≤ 451 kg/dall year029
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year029
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year029
Solids, total dissolved- 180 deg. Cmonthly average≤ 36988 kg/dall year029
Strontium, total recoverable, ug/Lmonthly average≤ 526 kg/dall year030
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year030
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year030
Solids, total dissolved- 180 deg. Cmonthly average≤ 43152 kg/dall year030
Strontium, total recoverable, ug/Lmonthly average≤ 601 kg/dall year031
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year031
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year031
Solids, total dissolved- 180 deg. Cmonthly average≤ 49317 kg/dall year031
Strontium, total recoverable, ug/Lmonthly average≤ 601 kg/dall year032
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year032
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year032
Solids, total dissolved- 180 deg. Cmonthly average≤ 55482 kg/dall year032
Strontium, total recoverable, ug/Lmonthly average≤ 601 kg/dall year033
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year033
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year033
Solids, total dissolved- 180 deg. Cmonthly average≤ 61647 kg/dall year033
Strontium, total recoverable, ug/Lmonthly average≤ 601 kg/dall year034
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year034
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year034
Solids, total dissolved- 180 deg. Cmonthly average≤ 67811 kg/dall year034
Strontium, total recoverable, ug/Lmonthly average≤ 601 kg/dall year035
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year035
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year035
Solids, total dissolved- 180 deg. Cmonthly average≤ 73976 kg/dall year035
Strontium, total recoverable, ug/Lmonthly average≤ 601 kg/dall year036
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year036
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year036
Solids, total dissolved- 180 deg. Cmonthly average≤ 86305 kg/dall year036
Strontium, total recoverable, ug/Lmonthly average≤ 601 kg/dall year037
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year037
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year037
Solids, total dissolved- 180 deg. Cmonthly average≤ 98635 kg/dall year037
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year800
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year800
Strontium, total recoverable, ug/Lmonthly averagereport only (ug/L)Mar, Jun, Aug, Dec801
Strontium, total recoverable, ug/Ldaily maximumreport only (ug/L)Mar, Jun, Aug, Dec801
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year801
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year801
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year801
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiamonthly averagereport only (%)Mar, Jun, Aug, Dec801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiadaily maximumreport only (%)Mar, Jun, Aug, Dec801
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year901
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year901

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 147 Water Supply permits in Ohio.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0142476 · MCP: https://passage-data.com/mcp