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Marietta, City of

Lime, Marietta, Ohio. NPDES permit OH0008664, in force until Mar 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 002 form A monthly (5 values), outfall 003 form A monthly (5 values), outfall 004 form A monthly (5 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 48 reports late

Limits in force (21)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
pHdaily minimumreport only (SU)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall year002
Tetrachloroethylenemonthly average≤ 5 ug/Lall 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
pHdaily minimum≥ 6.5 SUall year003
pHdaily maximum≤ 9 SUall year003
Tetrachloroethylenemonthly average≤ 5 ug/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHdaily minimum≥ 6.5 SUall year004
pHdaily maximum≤ 9 SUall year004
Tetrachloroethylenemonthly average≤ 5 ug/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 36 Stone, Clay, Glass and Concrete Products 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/OH0008664 · MCP: https://passage-data.com/mcp