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Sewage treatment plant, Wintergreen, Virginia. NPDES permit VA0031011, in force until Dec 31, 2028. Last 12 months: over a limit 20 times (last July 2026), 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Hardness, total [as CaCO3], instantaneous minimum | 116 | ≥ 120 mg/L | 3% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 3.13 | ≤ 1.9 mg/L | 65% |
| December 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 6.04 | ≤ 2.6 mg/L | 132% |
| December 2025 | Solids, total suspended, monthly average | 16.6 | ≤ 11 kg/d | 51% |
| December 2025 | Solids, total suspended, monthly average | 43 | ≤ 10 mg/L | 330% |
| December 2025 | Solids, total suspended, maximum weekly average | 43 | ≤ 15 mg/L | 187% |
| December 2025 | pH, instantaneous minimum | 5.79 | ≥ 6 SU | — |
| January 2026 | Hardness, total [as CaCO3], instantaneous minimum | 112 | ≥ 120 mg/L | 7% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 28.6 | ≤ 1.9 mg/L | 1405% |
| January 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 38.5 | ≤ 2.6 mg/L | 1381% |
| February 2026 | Hardness, total [as CaCO3], instantaneous minimum | 82.7 | ≥ 120 mg/L | 31% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 29.4 | ≤ 1.9 mg/L | 1447% |
| February 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 37.7 | ≤ 2.6 mg/L | 1350% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 2.27 | ≤ 1.9 mg/L | 19% |
| March 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 19.5 | ≤ 2.6 mg/L | 650% |
| May 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 2.7 | ≤ 2.6 mg/L | 4% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 1.22 | ≤ .84 mg/L | 45% |
| June 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 2.54 | ≤ 1.1 mg/L | 131% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 1.57 | ≤ .84 mg/L | 87% |
| July 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 4.7 | ≤ 1.1 mg/L | 327% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 7.2 mg/L | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 15 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 11 kg/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 17 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 | Jan, Feb, Mar, Apr, May, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .84 mg/L | Jun–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 2.6 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.1 mg/L | Jun–Nov |
| Hardness, total [as CaCO3] | instantaneous minimum | ≥ 120 mg/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .3 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 | ≤ .0075 mg/L | all year |
| Chlorine, total residual | maximum weekly average | ≤ .0083 mg/L | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 12 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 6 mg/L | Jun–Nov |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 18 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 9 mg/L | Jun–Nov |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 14 kg/d | Jan, Feb, Mar, Apr, May, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 7 kg/d | Jun–Nov |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 20 kg/d | Jan, Feb, Mar, Apr, May, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 10 kg/d | Jun–Nov |
| 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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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/VA0031011 · MCP: https://passage-data.com/mcp