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Sewerage Systems, Basye, Virginia. NPDES permit VA0028380, in force until Nov 30, 2029. Last 12 months: over a limit 3 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| February 2026 | BOD, carbonaceous [5 day, 20 C], maximum weekly average | 30 | ≤ 27 mg/L | 11% |
| February 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 12.3 | ≤ 9.9 mg/L | 24% |
| May 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 5.4 | ≤ 2.7 mg/L | 100% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 7 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 13 mg/L | May–Nov |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 20 mg/L | May–Nov |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 29.5 kg/d | May–Nov |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 kg/d | May–Nov |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | Jul–Dec |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | 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 | ≤ 68 kg/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 100 kg/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.4 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 2.7 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 9.9 mg/L | Jan, Feb, Mar, Apr, Dec |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .6 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) (alert, not enforceable) | all year |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | Jul–Dec |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 18 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 27 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 41 kg/d | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 61 kg/d | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Jan–Jun |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | Jan–Jun |
| 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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Your permit document is the final word. As JSON: /api/v1/permits/VA0028380 · MCP: https://passage-data.com/mcp