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Sewerage Systems, Woodford, Virginia. NPDES permit VA0061409, in force until Jan 31, 2028. Last 12 months: over a limit once (last March 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | BOD, 5-day, 20 deg. C, weekly average | 52 | ≤ 45 mg/L | 16% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 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 | ≤ 2.8 kg/d | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 4.3 kg/d | all year |
| BOD, 5-day, 20 deg. C | 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 | ≤ 2.8 kg/d | all year |
| Solids, total suspended | weekly average | ≤ 4.3 kg/d | all year |
| Solids, total suspended | average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.5 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jun–Nov |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 7.5 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 1.6 mg/L | Jun–Nov |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .025 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .008 mg/L | all year |
| Chlorine, total residual | weekly average | ≤ .01 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 |
| 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/VA0061409 · MCP: https://passage-data.com/mcp