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Railroads, Line-Haul Operating, Roanoke, Virginia. NPDES permit VA0001597, in force until Jul 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 002 |
| Copper, total recoverable | monthly average | ≤ 29 ug/L | all year | 002 |
| Copper, total recoverable | daily maximum | ≤ 29 ug/L | all year | 002 |
| Petrol hydrocarbons, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Petrol hydrocarbons, total recoverable | daily maximum | report only (mg/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 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 004 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 004 |
| Precipitation volume | event total | report only (Mgal) | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 005 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 005 |
| Precipitation volume | event total | report only (Mgal) | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 902 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 902 |
| Solids, total suspended | maximum | ≤ 60 mg/L | all year | 902 |
| Nitrogen, total [as N] | maximum | report only (mg/L) | all year | 902 |
| Precipitation volume | event total | report only (Mgal) | all year | 902 |
Cited limits by parameter: Virginia's rules and the federal ones.
Same industry: the 4 Railroad Transportation permits in Virginia.
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Your permit document is the final word. As JSON: /api/v1/permits/VA0001597 · MCP: https://passage-data.com/mcp