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Sewage treatment plant, major discharger, Fayetteville, Arkansas. NPDES permit AR0020010, in force until Apr 30, 2029. Last 12 months: no values over a limit, 1 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 7.7 mg/L | Apr, May |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 11 mg/L | Jun–Sep |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 7.5 mg/L | Oct, Nov |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 8.7 mg/L | Jan, Feb, Mar, Dec |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 5 mg/L | Apr–Nov |
| Solids, total suspended | monthly average | ≤ 15 mg/L | Jan, Feb, Mar, Dec |
| Solids, total suspended | 7-day average | ≤ 7 mg/L | Apr–Nov |
| Solids, total suspended | 7-day average | ≤ 22 mg/L | Jan, Feb, Mar, Dec |
| Solids, total suspended | monthly average | ≤ 525.4 lb/d | Apr–Nov |
| Solids, total suspended | monthly average | ≤ 1576.3 lb/d | Jan, Feb, Mar, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.1 mg/L | Apr, May |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .5 mg/L | Jun–Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 mg/L | Oct, Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 3.2 mg/L | Apr, May |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ .8 mg/L | Jun–Sep |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 3.6 mg/L | Oct, Nov |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6 mg/L | Jan, Feb, Mar, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 220.7 lb/d | Apr, May |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 52.5 lb/d | Jun–Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 252.2 lb/d | Oct, Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 420.3 lb/d | Jan, Feb, Mar, Dec |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | 7-day average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | 7-day average | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 105.1 lb/d | all year |
| Chloride, dissolved in water | monthly average | report only (mg/L) | all year |
| Chloride, dissolved in water | 7-day average | report only (mg/L) | all year |
| Chloride, dissolved in water | monthly average | report only (lb/d) | all year |
| Sulfate, total [as SO4] | monthly average | ≤ 119 mg/L | all year |
| Sulfate, total [as SO4] | 7-day average | ≤ 179 mg/L | all year |
| Sulfate, total [as SO4] | monthly average | ≤ 12505 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 | 7-day average | ≤ 750 mg/L | all year |
| Solids, total dissolved | monthly average | ≤ 52542 lb/d | all year |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | Apr–Sep |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | Jan, Feb, Mar, Oct, Nov, Dec |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | Apr–Sep |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Oct, Nov, Dec |
| 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 | ≤ 7.5 mg/L | Apr, May |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5.7 mg/L | Jun–Sep |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5.5 mg/L | Oct, Nov |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Dec |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 11.3 mg/L | Apr, May |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 8.6 mg/L | Jun–Sep |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 8.3 mg/L | Oct, Nov |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 30 mg/L | Jan, Feb, Mar, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 788.1 lb/d | Apr, May |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 599 lb/d | Jun–Sep |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 578 lb/d | Oct, Nov |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 2101.7 lb/d | Jan, Feb, Mar, Dec |
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/AR0020010 · MCP: https://passage-data.com/mcp