Passage Data · Check a report · Use it from your AI
Apartment Building Operators, Hot Springs, Arkansas. NPDES permit AR0050644, in force until Nov 30, 2030. Last 12 months: over a limit 5 times (last September 2026), 9 required values missing, 2 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Oxygen, dissolved [DO], instantaneous minimum | 2.56 mg/L | ≥ 5 mg/L | 49% |
| June 2026 | pH, minimum | 5.27 SU | ≥ 6 SU | — |
| September 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 10.7 mg/L | ≤ 10 mg/L | 7% |
| September 2026 | Coliform, fecal general, 30-day geometric mean | 210 #/100mL | ≤ 200 #/100mL | 5% |
| September 2026 | pH, minimum | 4.57 SU | ≥ 6 SU | — |
| 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 | ≥ 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 | daily maximum | ≤ 22.5 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 1.3 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 1.9 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 | ≤ .83 lb/d | all year |
| Oil & Grease | daily maximum | ≤ 1.3 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, Apr, Nov, Dec |
| 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, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .42 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .83 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .063 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.3 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 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 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | 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 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 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 | ≤ .83 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 1.3 lb/d | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Phosphorus, total [as P], daily maximum | 3.5 mg/L | new | 5.89 mg/L (4 values) | 1.68× |
| Phosphorus, total [as P], monthly average | 2.3 mg/L | new | 5.89 mg/L (4 values) | 2.56× |
| Phosphorus, total [as P], daily maximum | 0.29 lb/d | new | 0.14 lb/d (4 values) | 0.483× |
| Phosphorus, total [as P], monthly average | 0.19 lb/d | new | 0.11 lb/d (4 values) | 0.579× |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 50 Real Estate permits in Arkansas.
· 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/AR0050644 · MCP: https://passage-data.com/mcp