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Gasoline Service Stations, Clear Brook, Virginia. NPDES permit VA0089214, in force until Dec 31, 2029. Last 12 months: over a limit once (last April 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| April 2026 | pH, minimum | 6.4 | ≥ 6.5 SU |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.2 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Jun–Nov |
| Nitrogen, ammonia total [as N] | maximum | ≤ 4.2 mg/L | Jan, Feb, Mar, Apr, May, Dec |
| Nitrogen, ammonia total [as N] | maximum | ≤ 2.7 mg/L | Jun–Nov |
| Methyl tert-butyl ether [MTBE] | maximum | ≤ 440 ug/L | all year |
| Toluene | maximum | ≤ 43 ug/L | all year |
| Benzene | maximum | ≤ 12 ug/L | all year |
| Ethylbenzene | maximum | ≤ 4.3 ug/L | all year |
| Naphthalene | maximum | ≤ 8.9 ug/L | all year |
| Petrol hydrocarbons, total recoverable | maximum | ≤ 15 mg/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Xylene [mix of m+o+p] | maximum | ≤ 33 ug/L | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Nitrogen, ammonia total [as N], maximum | 1.9 mg/L (Jun–Nov) | tighter | 0.29 mg/L (5 values) | 0.153× |
| Nitrogen, ammonia total [as N], maximum | 2.9 mg/L (Jan, Feb, Mar, Apr, May, Dec) | tighter | 0.1 mg/L (5 values, 3 below detection) | — |
| Nitrogen, ammonia total [as N], monthly average | 1.9 mg/L (Jun–Nov) | tighter | 0.29 mg/L (5 values) | 0.153× |
| Nitrogen, ammonia total [as N], monthly average | 2.9 mg/L (Jan, Feb, Mar, Apr, May, Dec) | tighter | 0.1 mg/L (5 values, 3 below detection) | — |
Cited limits by parameter: Virginia's rules and the federal ones.
Same industry: the 8 Automotive Dealers and Gasoline Service Stations permits in Virginia.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/VA0089214 · MCP: https://passage-data.com/mcp