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Miscellaneous Retail Stores, Hensley, Arkansas. NPDES permit AR0048399, in force until Apr 30, 2029. Last 12 months: no values over a limit, 90 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 3 mg/L | May–Oct |
| 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 |
| Solids, total suspended | monthly average | ≤ .1 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ .15 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.1 mg/L | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.1 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 17 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .03 lb/d | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .03 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .06 lb/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .03 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .04 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .09 lb/d | Jan, Feb, Mar, Nov, Dec |
| 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 |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | all year |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 30 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .1 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ .15 lb/d | all year |
Cited limits by parameter: Arkansas'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/AR0048399 · MCP: https://passage-data.com/mcp