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Orwell WTP

Water Supply, Orwell, Ohio. NPDES permit OH0123480, in force until Aug 31, 2030. Last 12 months: no values over a limit, 8 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (17 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 39 required values missing, 2 of 13 reports late

Limits in force (17)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 1.25 kg/dall year
Solids, total suspendeddaily maximum≤ 1.88 kg/dall year
Iron, suspendedmonthly average≤ 1000 ug/Lall year
Iron, suspendeddaily maximum≤ 2000 ug/Lall year
Iron, suspendedmonthly average≤ .0417 kg/dall year
Iron, suspendeddaily maximum≤ .0833 kg/dall year
Manganese, suspendedmonthly average≤ 1000 ug/Lall year
Manganese, suspendeddaily maximum≤ 2000 ug/Lall year
Manganese, suspendedmonthly average≤ .0417 kg/dall year
Manganese, suspendeddaily maximum≤ .0833 kg/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .019 mg/Lall 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0123480 · MCP: https://passage-data.com/mcp