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Sewage treatment plant, King George, Virginia. NPDES permit VA0089338, in force until Nov 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly maximum | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 43 kg/d | all year |
| BOD, 5-day, 20 deg. C | weekly maximum | ≤ 64 kg/d | all year |
| BOD, 5-day, 20 deg. C | average | report only (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 maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 43 kg/d | all year |
| Solids, total suspended | weekly maximum | ≤ 64 kg/d | all year |
| Solids, total suspended | average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 2.3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 5.6 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 6.7 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 63 lb/d | all year |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year |
| Zinc, dissolved [as Zn] | monthly average | report only (ug/L) | all year |
| Zinc, dissolved [as Zn] | weekly average | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .375 MGD (alert, not enforceable) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) (alert, not enforceable) | all year |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year |
| E. coli | geometric mean | ≤ 126 #/100mL | all year |
| Nitrogen, Total As N | annual average | ≤ 8 mg/L | all year |
| Phosphorus, Total As P | annual average | ≤ 1 mg/L | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Zinc, total recoverable, monthly average | 109 ug/L | new | — | — |
| Zinc, total recoverable, weekly average | 109 ug/L | new | — | — |
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/VA0089338 · MCP: https://passage-data.com/mcp