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Cooper Industries LLC

Special Trade Contractors, Zanesville, Ohio. NPDES permit OH0139840, in force until May 31, 2030. 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 (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (20)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUMar, Jun, Aug, Dec
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec
1,2-cis-Dichloroethenemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
1,2-cis-Dichloroethenemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec
1,2-Dichloroethanemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
1,2-Dichloroethanemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec
1,1-Dichloroethanemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
1,1-Dichloroethanemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec
1,1,1-Trichloroethanemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
1,1,1-Trichloroethanemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec
1,1,2-Trichloroethanemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
1,1,2-Trichloroethanemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
1,1-Dichloroethenemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
1,1-Dichloroethenemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec
Trichloroethenemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
Trichloroethenemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec
Chloroethanemonthly average≤ 5 ug/LMar, Jun, Aug, Dec
Chloroethanemonthly average≤ .00287 kg/dMar, Jun, Aug, Dec

How strict are these limits?

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

Same industry: the 14 Construction — Special Trade Contractors 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/OH0139840 · MCP: https://passage-data.com/mcp