Passage Data · Check a report · Use it from your AI
Sewage treatment plant, King William, Virginia. NPDES permit VA0023914, in force until Jan 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 8 SU | all year |
| Solids, total suspended | monthly average | ≤ 19 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 28 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 1400 g/d | all year |
| Solids, total suspended | weekly average | ≤ 2100 g/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 3 mg/L | all year |
| Nitrogen, Kjeldahl, total [as N] | weekly average | ≤ 3 mg/L | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 230 g/d | all year |
| Nitrogen, Kjeldahl, total [as N] | weekly average | ≤ 230 g/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .02 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 | ≤ .008 mg/L | all year |
| Chlorine, total residual | weekly average | ≤ .0098 mg/L | all year |
| Chlorine, total residual | daily minimum | ≥ .6 mg/L | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 22 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 1100 g/d | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 1700 g/d | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
Cited limits by parameter: Virginia's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/VA0023914 · MCP: https://passage-data.com/mcp