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Elementary And Secondary Schools, North Little Rock, Arkansas. NPDES permit AR0044750 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 18 times (last July 2026), 1 required value missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], daily maximum | 22.5 mg/L | ≤ 6 mg/L | 275% |
| October 2025 | Nitrogen, ammonia total [as N], daily maximum | 4.91 lb/d | ≤ 1.5 lb/d | 227% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 1.75 lb/d | ≤ 1 lb/d | 75% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 20.56 mg/L | ≤ 4 mg/L | 414% |
| October 2025 | Oxygen, dissolved [DO], instantaneous minimum | 3.82 mg/L | ≥ 4 mg/L | 5% |
| December 2025 | Coliform, fecal general, 30-day geometric mean | > 2419 #/100mL | ≤ 1000 #/100mL | — |
| December 2025 | Coliform, fecal general, 7-day geometric mean | > 2419 #/100mL | ≤ 2000 #/100mL | — |
| March 2026 | Coliform, fecal general, 30-day geometric mean | > 2419 #/100mL | ≤ 1000 #/100mL | — |
| March 2026 | Coliform, fecal general, 7-day geometric mean | > 2419 #/100mL | ≤ 2000 #/100mL | — |
| March 2026 | Solids, total suspended, daily maximum | 40 mg/L | ≤ 30 mg/L | 33% |
| March 2026 | Solids, total suspended, daily maximum | 8.3 lb/d | ≤ 7.5 lb/d | 11% |
| March 2026 | Solids, total suspended, monthly average | 25.35 mg/L | ≤ 20 mg/L | 27% |
| June 2026 | Coliform, fecal general, 30-day geometric mean | > 2419 #/100mL | ≤ 1000 #/100mL | — |
| June 2026 | Coliform, fecal general, 7-day geometric mean | > 2419 #/100mL | ≤ 2000 #/100mL | — |
| July 2026 | Nitrogen, ammonia total [as N], daily maximum | 12.2 lb/d | ≤ 1.5 lb/d | 713% |
| July 2026 | Nitrogen, ammonia total [as N], daily maximum | 61 mg/L | ≤ 6 mg/L | 917% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 2.7 lb/d | ≤ 1 lb/d | 170% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 33 mg/L | ≤ 4 mg/L | 725% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | May–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 5 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 7.5 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 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 | ≤ 5 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 7.5 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 | ≤ 2.5 lb/d | all year |
| Oil & Grease | daily maximum | ≤ 3.8 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.5 lb/d | May–Oct |
| 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 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 30 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5 lb/d | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 7.5 lb/d | May–Oct |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 25 Educational Services permits in Arkansas.
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Your permit document is the final word. As JSON: /api/v1/permits/AR0044750 · MCP: https://passage-data.com/mcp