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Water Supply, Robinson, Texas. NPDES permit TX0117935, in force until Aug 9, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Chloride [as Cl] | daily average | ≤ 2000 mg/L | all year |
| Chloride [as Cl] | daily maximum | ≤ 4000 mg/L | all year |
| Chloride [as Cl] | daily average | ≤ 16690 lb/d | all year |
| Chloride [as Cl] | daily maximum | ≤ 33380 lb/d | all year |
| Sulfate, total [as SO4] | daily average | ≤ 2000 mg/L | all year |
| Sulfate, total [as SO4] | daily maximum | ≤ 4000 mg/L | all year |
| Sulfate, total [as SO4] | daily average | ≤ 16690 lb/d | all year |
| Sulfate, total [as SO4] | daily maximum | ≤ 33380 lb/d | all year |
| Flow, in conduit or thru treatment plant | daily average | ≤ 1 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 1.5 MGD | all year |
| Solids, total dissolved | daily average | ≤ 5000 mg/L | all year |
| Solids, total dissolved | daily maximum | ≤ 10000 mg/L | all year |
| Solids, total dissolved | daily average | ≤ 41725 lb/d | all year |
| Solids, total dissolved | daily maximum | ≤ 83450 lb/d | all year |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 115 Water Supply 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/TX0117935 · MCP: https://passage-data.com/mcp