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Subdividers And Developers, Vilonia, Arkansas. NPDES permit AR0050717, in force until May 31, 2029. Last 12 months: no values over a limit, 4 required values missing, 12 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Flow rate | monthly average | report only (%) | all year |
| Flow rate | daily maximum | report only (%) | all year |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 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 | ≤ 4.8 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 7.3 lb/d | all year |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Oil & Grease | monthly average | ≤ 2.4 lb/d | all year |
| Oil & Grease | daily maximum | ≤ 3.6 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.6 mg/L | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.6 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.4 lb/d | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.2 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.4 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.6 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.8 lb/d | May–Oct |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | daily maximum | report only (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 |
| Coliform, fecal general | 30-day average | ≤ 1000 #/100mL | all year |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | all year |
| Overflows | monthly total | report only (occur/mo) | all year |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (gal) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 23 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 4.8 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3.6 lb/d | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 7.3 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 5.6 lb/d | May–Oct |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Phosphorus, total [as P], daily maximum | 1.5 mg/L | new | 4.33 mg/L (3 values) | 2.89× |
| Phosphorus, total [as P], monthly average | 1 mg/L | new | 3.65 mg/L (3 values) | 3.65× |
| Phosphorus, total [as P], monthly average | 0.2 lb/d | new | 0.24 lb/d (3 values) | 1.2× |
| Phosphorus, total [as P], daily maximum | 0.4 lb/d | new | 0.26 lb/d (3 values) | 0.65× |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 50 Real Estate permits in Arkansas.
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Your permit document is the final word. As JSON: /api/v1/permits/AR0050717 · MCP: https://passage-data.com/mcp