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Sewage treatment plant, Boones Mill, Virginia. NPDES permit VA0067245, in force until Nov 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | maximum | report only (deg C) | all year |
| Oxygen, dissolved [DO] | minimum | ≥ 5 mg/L | Jun–Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 3.4 kg/d | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 5.1 kg/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 3.4 kg/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 5.1 kg/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun–Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (mg/L) | Jun–Dec |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .03 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .059 mg/L | all year |
| Chlorine, total residual | maximum weekly average | ≤ .072 mg/L | all year |
| Chlorine, total residual | instantaneous minimum | ≥ .6 mg/L | all year |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| E. coli | maximum | ≤ 410 #/100mL | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Nitrogen, ammonia total [as N], monthly average | 9.73 mg/L (Jun–Dec) | new | 3.195 mg/L (4 values) | 0.328× |
| Nitrogen, ammonia total [as N], maximum weekly average | 9.73 mg/L (Jun–Dec) | new | 3.195 mg/L (4 values) | 0.328× |
Cited limits by parameter: Virginia's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/VA0067245 · MCP: https://passage-data.com/mcp