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Wrecking And Demolition Work, Ashtabula, Ohio. NPDES permit OH0001121, in force until Apr 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | report only (SU) | all year | 002 |
| pH | daily maximum | report only (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 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Silver total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Silver total recoverable | daily maximum | report only (ug/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 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Cadmium, 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 |
| 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 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 002 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 002 |
| Mercury, total low level | monthly average | report only (kg/d) | all year | 002 |
| Mercury, total low level | daily maximum | report only (kg/d) | all year | 002 |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | all year | 002 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 002 |
| Flow rate | monthly average | report only (gal/d) | all year | 008 |
| Flow rate | daily maximum | report only (gal/d) | all year | 008 |
| pH | daily minimum | report only (SU) | all year | 008 |
| pH | daily maximum | report only (SU) | all year | 008 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 008 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 008 |
| Rainfall | monthly average | report only (in) | all year | 008 |
| Rainfall | daily maximum | report only (in) | all year | 008 |
| pH | daily minimum | report only (SU) | all year | 604 |
| pH | daily maximum | report only (SU) | all year | 604 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 604 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 604 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 604 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 604 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 604 |
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/OH0001121 · MCP: https://passage-data.com/mcp