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Mobile Home Site Operators, El Dorado, Arkansas. NPDES permit AR0044733 expired Sep 30, 2026; its limits still apply. Last 12 months: over a limit 2 times (last June 2026), 4 required values missing, 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 4.45 mg/L | ≤ 2.44 mg/L | 82% |
| June 2026 | Coliform, fecal general, 30-day geometric mean | 1700 #/100mL | ≤ 1000 #/100mL | 70% |
| 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 | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 7.9 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 11.8 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.44 mg/L | Apr, May |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.44 mg/L | Sep, Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.44 mg/L | Jun–Aug |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.1 mg/L | Apr, May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.1 mg/L | Sep, Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.1 mg/L | Jun–Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 17 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .63 lb/d | Apr, May |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .63 lb/d | Sep, Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .63 lb/d | Jun–Aug |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.4 lb/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.6 lb/d | Apr, May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.6 lb/d | Sep, Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.6 lb/d | Jun–Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.5 lb/d | Jan, Feb, Mar, Nov, Dec |
| Chloride [as Cl] | monthly average | ≤ 70 mg/L | all year |
| Chloride [as Cl] | daily maximum | ≤ 105 mg/L | all year |
| Chloride [as Cl] | monthly average | ≤ 18 lb/d | all year |
| Chloride [as Cl] | daily maximum | ≤ 27 lb/d | all year |
| Sulfate, total [as SO4] | monthly average | ≤ 45 mg/L | all year |
| Sulfate, total [as SO4] | daily maximum | ≤ 67.5 mg/L | all year |
| Sulfate, total [as SO4] | monthly average | ≤ 12 lb/d | all year |
| Sulfate, total [as SO4] | daily maximum | ≤ 18 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 |
| Solids, total dissolved | monthly average | ≤ 500 mg/L | all year |
| Solids, total dissolved | daily maximum | ≤ 750 mg/L | all year |
| Solids, total dissolved | monthly average | ≤ 129 lb/d | all year |
| Solids, total dissolved | daily maximum | ≤ 193.5 lb/d | 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 | ≤ 5.3 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 7.9 lb/d | all year |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 50 Real Estate permits in Arkansas.
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On EPA ECHO: Facility report · DMR history
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