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Water Supply, Clifton Forge, Virginia. NPDES permit VA0006076, in force until Sep 30, 2029. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Solids, total suspended, monthly average | 31 | ≤ 30 mg/L | 3% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | Jun–Oct |
| Nitrogen, total [as N] | monthly total | report only (lb/mo) | Jun–Oct |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | Jun–Oct |
| Nitrogen, total [as N] | annual total | ≤ 19.7 lb/yr | Jun–Oct |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jun–Oct |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Jun–Oct |
| Phosphorus, total [as P] | monthly total | report only (lb/mo) | Jun–Oct |
| Phosphorus, total [as P] | annual total | ≤ 8.9 lb/yr | Jun–Oct |
| 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 |
| Chlorine, total residual | monthly average | ≤ 11 ug/L | all year |
| Chlorine, total residual | daily maximum | ≤ 11 ug/L | all year |
Cited limits by parameter: Virginia's rules and the federal ones.
Same industry: the 24 Water Supply permits in Virginia.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/VA0006076 · MCP: https://passage-data.com/mcp