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Water Supply, Stamps, Arkansas. NPDES permit AR0052906 expired Aug 31, 2024; its limits still apply. Last 12 months: no values over a limit, 20 required values missing, 10 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year |
| Iron, dissolved [as Fe] | monthly average | ≤ 1 mg/L | all year |
| Iron, dissolved [as Fe] | daily maximum | ≤ 2 mg/L | all year |
| Manganese, dissolved [as Mn] | monthly average | ≤ 1 mg/L | all year |
| Manganese, dissolved [as Mn] | daily maximum | ≤ 2 mg/L | all year |
| Aluminum, dissolved [as Al] | monthly average | ≤ 1 mg/L | all year |
| Aluminum, dissolved [as Al] | daily maximum | ≤ 2 mg/L | all year |
| Lead, total recoverable | monthly average | ≤ 2.67 ug/L | all year |
| Lead, total recoverable | daily maximum | ≤ 5.37 ug/L | all year |
| Lead, total recoverable | monthly average | ≤ .01113 lb/d | all year |
| Lead, total recoverable | daily maximum | ≤ .02237 lb/d | all year |
| Copper, total recoverable | monthly average | ≤ 9.09 ug/L | all year |
| Copper, total recoverable | daily maximum | ≤ 18.27 ug/L | all year |
| Copper, total recoverable | monthly average | ≤ .03794 lb/d | all year |
| Copper, total recoverable | daily maximum | ≤ .07626 lb/d | 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 |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 9 Water Supply permits in Arkansas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AR0052906 · MCP: https://passage-data.com/mcp