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Sewerage Systems, Orange, Virginia. NPDES permit VA0093327, in force until May 31, 2031. No reports in EPA's file for the last 12 months. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ .34 kg/d | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ .51 kg/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ .34 kg/d | all year |
| Solids, total suspended | weekly average | ≤ .51 kg/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 mg/L | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 1.1 mg/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .003 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) (alert, not enforceable) | all year |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year |
| E. coli | monthly average | ≤ 126 #/100mL | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
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/VA0093327 · MCP: https://passage-data.com/mcp