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Crude Petroleum And Natural Gas, Gilmer, Texas. NPDES permit TX0124656, in force until Jun 13, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year |
| pH | minimum | ≥ 5.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Oil & Grease | daily maximum | report only (lb/d) | all year |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | ≤ .1 mg/L | all year |
| Benzene | daily maximum | ≤ .005 mg/L | all year |
| Petrol hydrocarbons, total recoverable | daily maximum | ≤ 15 mg/L | all year |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 30 Oil and Gas Extraction permits in Texas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0124656 · MCP: https://passage-data.com/mcp