Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Fairfield Bay, Arkansas. NPDES permit AR0034401, in force until Apr 30, 2027. Last 12 months: over a limit 6 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 29 mg/L | ≤ 15 mg/L | 93% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 23 mg/L | ≤ 10 mg/L | 130% |
| April 2026 | Nitrogen, ammonia total [as N], daily maximum | 13 mg/L | ≤ 5.3 mg/L | 145% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 9 mg/L | ≤ 5.3 mg/L | 70% |
| May 2026 | Nitrogen, ammonia total [as N], daily maximum | 15 mg/L | ≤ 7.5 mg/L | 100% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 8.95 mg/L | ≤ 5 mg/L | 79% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 22.5 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 22.5 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 25 lb/d | all year |
| Solids, total suspended | monthly average | ≤ 25 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 37.5 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.3 mg/L | Apr |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 7.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 15 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 5.3 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.5 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.3 mg/L | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.3 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 16.7 lb/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.8 lb/d | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.5 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 16.7 lb/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.8 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.5 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 25 lb/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.8 lb/d | Apr |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | 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] | daily maximum | ≤ 2 mg/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1.7 lb/d | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1.7 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 3.3 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 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year |
| Coliform, fecal general | 30-day geometric mean | ≤ 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 | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 16.7 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 16.7 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 25 lb/d | all year |
Cited limits by parameter: Arkansas's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AR0034401 · MCP: https://passage-data.com/mcp