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Sewerage Systems, Front Royal, Virginia. NPDES permit VA0075183, in force until Jul 31, 2027. Last 12 months: over a limit 10 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 22 | ≤ 15 mg/L | 47% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 21 | ≤ 15 mg/L | 40% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 6.2 | ≤ 1.9 mg/L | 226% |
| March 2026 | Nitrogen, ammonia total [as N], weekly average | 3.9 | ≤ 1.9 mg/L | 105% |
| March 2026 | Solids, total suspended, monthly average | 32.9 | ≤ 30 mg/L | 10% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 3.4 | ≤ 1.9 mg/L | 79% |
| April 2026 | Nitrogen, ammonia total [as N], weekly average | 3.4 | ≤ 1.9 mg/L | 79% |
| April 2026 | Oxygen, dissolved [DO], minimum | 6.5 | ≥ 6.6 mg/L | 2% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 5.5 | ≤ 1.9 mg/L | 189% |
| July 2026 | Nitrogen, ammonia total [as N], weekly average | 5.5 | ≤ 1.9 mg/L | 189% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6.6 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 | ≤ 1.1 kg/d | all year |
| Solids, total suspended | weekly average | ≤ 1.7 kg/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.9 mg/L | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 1.9 mg/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .01 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 | ≤ .0098 mg/L | all year |
| Chlorine, total residual | minimum | ≥ .6 mg/L | all year |
| E. coli | geometric mean | ≤ 126 #/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 | ≤ .57 kg/d | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ .83 kg/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.
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Your permit document is the final word. As JSON: /api/v1/permits/VA0075183 · MCP: https://passage-data.com/mcp