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Sawmills And Planing Mills, General, Mount Holly, Arkansas. NPDES permit AR0048381, in force until Jun 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | May–Oct |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | May–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 26 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | May–Oct |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 39 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 52.5 mg/L | all year |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Debris, floating [severity] | daily maximum | ≤ 0 N=0;Y=1 | 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 44 Lumber and Wood Products permits in Arkansas.
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On EPA ECHO: Facility report · DMR history
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