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Sewage treatment plant, Amelia, Virginia. NPDES permit VA0086681, in force until Aug 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6.5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 34 kg/d | Jan, Feb, Mar, Apr, Dec |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 51 kg/d | Jan, Feb, Mar, Apr, Dec |
| 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 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 2.3 mg/L | May–Nov |
| Hardness, total [as CaCO3] | minimum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .3 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ 8.87 ug/L | all year |
| Chlorine, total residual | weekly average | ≤ 9.88 ug/L | all year |
| Chlorine, total residual | instantaneous minimum | ≥ .6 mg/L | all year |
| BOD, percent removal [total] | minimum | ≥ 85 % | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | 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/VA0086681 · MCP: https://passage-data.com/mcp