Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Timberville, Virginia. NPDES permit VA0090263, in force until Oct 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 5 mg/L | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 220 kg/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 330 kg/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.7 mg/L | Jan–May |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 mg/L | Jun–Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 6 mg/L | Jan–May |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.4 mg/L | Jun–Dec |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 2.923 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) (alert, not enforceable) | all year |
| E. coli | geometric mean | ≤ 83 #/100mL | all year |
| Nitrogen, Total As N | annual average | ≤ 3.6 mg/L | all year |
| Phosphorus, Total As P | annual average | ≤ .27 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan–May |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 8 mg/L | Jun–Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 40 mg/L | Jan–May |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 12 mg/L | Jun–Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 280 kg/d | Jan–May |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 90 kg/d | Jun–Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 440 kg/d | Jan–May |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 130 kg/d | Jun–Dec |
| 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 |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | maximum | ≤ 1.82 tox chronic | 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/VA0090263 · MCP: https://passage-data.com/mcp