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Burr Oak Regional Water District

Water Supply, Millfield, Ohio. NPDES permit OH0030333, in force until Mar 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (11 values), outfall 002 form A monthly (27 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Chlorine, total residualdaily maximumreport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
Trihalomethane, tot.monthly averagereport only (ug/L)Sep001
Trihalomethane, tot.daily maximumreport only (ug/L)Sep001
Conductivitymonthly averagereport only (umho/cm)all year002
Conductivitydaily maximumreport only (umho/cm)all year002
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 45 mg/Lall year002
Solids, total suspendedmonthly average≤ 13.4 kg/dall year002
Solids, total suspendeddaily maximum≤ 20 kg/dall year002
Iron, suspendedmonthly average≤ 1000 ug/Lall year002
Iron, suspendeddaily maximum≤ 2000 ug/Lall year002
Iron, suspendedmonthly average≤ .444 kg/dall year002
Iron, suspendeddaily maximum≤ .888 kg/dall year002
Manganese, suspendedmonthly average≤ 1000 ug/Lall year002
Manganese, suspendeddaily maximum≤ 2000 ug/Lall year002
Manganese, suspendedmonthly average≤ .444 kg/dall year002
Manganese, suspendeddaily maximum≤ .888 kg/dall year002
Flow, maximum during 24 hr periodmonthly averagereport only (MGD)all year002
Flow, maximum during 24 hr perioddaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualdaily maximum≤ .038 mg/Lall year002
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Sep002
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Sep002
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year002
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year002
Duration of dischargemonthly averagereport only (hr)all year002
Duration of dischargedaily maximumreport only (hr)all year002

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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0030333 · MCP: https://passage-data.com/mcp