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Rittman WTP

Water Supply, Sterling, Ohio. NPDES permit OH0134619, in force until Apr 30, 2031. Last 12 months: no values over a limit, 16 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (16 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 13 reports late

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 10 mg/Lall year001
Solids, total suspendeddaily maximum≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 1.24 kg/dall year001
Solids, total suspendeddaily maximum≤ 1.86 kg/dall year001
Arsenic, total [as As]monthly average≤ 20 ug/Lall year001
Arsenic, total [as As]daily maximum≤ 30 ug/Lall year001
Arsenic, total [as As]monthly average≤ .00248 kg/dall year001
Arsenic, total [as As]daily maximum≤ .00372 kg/dall year001
Iron, suspendedmonthly averagereport only (ug/L)all year001
Iron, suspendeddaily maximumreport only (ug/L)all year001
Manganese, suspendedmonthly averagereport only (ug/L)all year001
Manganese, suspendeddaily maximumreport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec596
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec596

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/OH0134619 · MCP: https://passage-data.com/mcp