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Synthetic Rubber, Akron, Ohio. NPDES permit OH0004774, in force until Jul 31, 2031. Last 12 months: no values over a limit, 14 of 77 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | all year | 001 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Rainfall | monthly average | report only (in) | all year | 002 |
| Rainfall | daily maximum | report only (in) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 003 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 003 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 003 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 800 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 800 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 802 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 802 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 803 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 803 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 900 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 900 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 68 Chemicals and Allied Products permits in Ohio.
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Your permit document is the final word. As JSON: /api/v1/permits/OH0004774 · MCP: https://passage-data.com/mcp