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Portage County Water Resources

Water Supply, Brimfield, Ohio. NPDES permit OH0121975, in force until May 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (19 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (19)

ParameterStatisticLimitMonths
Flow ratemonthly averagereport only (gal/d)all year
Flow ratedaily maximumreport only (gal/d)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 13 mg/Lall year
Solids, total suspendeddaily maximum≤ 18 mg/Lall year
Solids, total suspendedmonthly average≤ 1.33 kg/dall year
Solids, total suspendeddaily maximum≤ 1.84 kg/dall year
Iron, suspendedmonthly average≤ 190 ug/Lall year
Iron, suspendeddaily maximum≤ 270 ug/Lall year
Iron, suspendedmonthly average≤ .0195 kg/dall year
Iron, suspendeddaily maximum≤ .0276 kg/dall year
Manganese, suspendedmonthly average≤ 40 ug/Lall year
Manganese, suspendeddaily maximum≤ 60 ug/Lall year
Manganese, suspendedmonthly average≤ .00409 kg/dall year
Manganese, suspendeddaily maximum≤ .00614 kg/dall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
Solids, total dissolved- 180 deg. Cmonthly average≤ 1500 mg/Lall year
Solids, total dissolved- 180 deg. Cmonthly average≤ 153 kg/dall year

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0121975 · MCP: https://passage-data.com/mcp