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Sewerage Systems, Montvale, Virginia. NPDES permit VA0074870, in force until Mar 31, 2028. Last 12 months: over a limit 2 times (last March 2026), 4 required values missing, 1 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Solids, total suspended, monthly average | 66.5 | ≤ 30 mg/L | 122% |
| March 2026 | Solids, total suspended, maximum weekly average | 66.5 | ≤ 45 mg/L | 48% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 540 g/d | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 820 g/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 540 g/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 820 g/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .0048 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) (alert, not enforceable) | all year |
| Chlorine, total residual | monthly average | ≤ .12 mg/L | all year |
| Chlorine, total residual | maximum weekly average | ≤ .14 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/VA0074870 · MCP: https://passage-data.com/mcp