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Warren County Water & Sewer Dept

Water Supply, Franklin, Ohio. NPDES permit OH0148148 expired Jun 30, 2024; its limits still apply. 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 (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (8)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall 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
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Jun
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Jun
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year

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/OH0148148 · MCP: https://passage-data.com/mcp