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Engineering Services, Wooster Oh, Ohio. NPDES permit OH0117323, in force until Oct 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Toluene | daily maximum | ≤ 6 ug/L | all year |
| Toluene | daily maximum | ≤ .0064 kg/d | all year |
| Benzene | daily maximum | ≤ 4.4 ug/L | all year |
| Benzene | daily maximum | ≤ .0048 kg/d | all year |
| Tetrachloroethylene | daily maximum | ≤ 4.1 ug/L | all year |
| Tetrachloroethylene | daily maximum | ≤ .0045 kg/d | all year |
| 1,1,1-Trichloroethane | daily maximum | ≤ 3.8 ug/L | all year |
| 1,1,1-Trichloroethane | daily maximum | ≤ .0041 kg/d | all year |
| Trichloroethylene | daily maximum | ≤ 1.9 ug/L | all year |
| Trichloroethylene | daily maximum | ≤ .0021 kg/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| cis-1,2-Dichloroethylene | daily maximum | ≤ 1.6 ug/L | all year |
| cis-1,2-Dichloroethylene | daily maximum | ≤ .0017 kg/d | all year |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 6 Engineering, Accounting, Research and Management Services 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/OH0117323 · MCP: https://passage-data.com/mcp