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Schools & Educational Services, Little Rock, Arkansas. NPDES permit AR0039250, in force until Jan 31, 2027. Last 12 months: over a limit 21 times (last August 2026), 8 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Chlorine, total residual, instantaneous maximum | .25 mg/L | ≤ .011 mg/L | 2173% |
| November 2025 | Chlorine, total residual, instantaneous maximum | .02 mg/L | ≤ .011 mg/L | 82% |
| December 2025 | Chlorine, total residual, instantaneous maximum | .57 mg/L | ≤ .011 mg/L | 5082% |
| January 2026 | Chlorine, total residual, instantaneous maximum | .05 mg/L | ≤ .011 mg/L | 355% |
| February 2026 | Chlorine, total residual, instantaneous maximum | .48 mg/L | ≤ .011 mg/L | 4264% |
| March 2026 | Chlorine, total residual, instantaneous maximum | .46 mg/L | ≤ .011 mg/L | 4082% |
| April 2026 | Chlorine, total residual, instantaneous maximum | .45 mg/L | ≤ .011 mg/L | 3991% |
| May 2026 | Chlorine, total residual, instantaneous maximum | .25 mg/L | ≤ .011 mg/L | 2173% |
| May 2026 | Coliform, fecal general, 30-day geometric mean | 2400 #/100mL | ≤ 1000 #/100mL | 140% |
| May 2026 | Coliform, fecal general, 7-day average | 2400 #/100mL | ≤ 2000 #/100mL | 20% |
| June 2026 | Chlorine, total residual, instantaneous maximum | .13 mg/L | ≤ .011 mg/L | 1082% |
| June 2026 | Coliform, fecal general, 30-day geometric mean | 2400 #/100mL | ≤ 1000 #/100mL | 140% |
| June 2026 | Coliform, fecal general, 7-day average | 2400 #/100mL | ≤ 2000 #/100mL | 20% |
| June 2026 | Oxygen, dissolved [DO], instantaneous minimum | 3.7 mg/L | ≥ 4 mg/L | 8% |
| July 2026 | Chlorine, total residual, instantaneous maximum | .06 mg/L | ≤ .011 mg/L | 445% |
| July 2026 | Coliform, fecal general, 30-day geometric mean | 1200 #/100mL | ≤ 1000 #/100mL | 20% |
| July 2026 | Oxygen, dissolved [DO], instantaneous minimum | 3.6 mg/L | ≥ 4 mg/L | 10% |
| August 2026 | Chlorine, total residual, instantaneous maximum | .16 mg/L | ≤ .011 mg/L | 1355% |
| August 2026 | Coliform, fecal general, 30-day geometric mean | > 2400 #/100mL | ≤ 1000 #/100mL | — |
| August 2026 | Coliform, fecal general, 7-day average | > 2400 #/100mL | ≤ 2000 #/100mL | — |
| August 2026 | Solids, total suspended, monthly average | 44 mg/L | ≤ 30 mg/L | 47% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 15 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 22.5 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 | ≤ 5 lb/d | all year |
| Oil & Grease | daily maximum | ≤ 7.5 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8 mg/L | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8 mg/L | Jan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.61 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Jan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 lb/d | Apr |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 lb/d | Jan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.8 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6 lb/d | Jan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 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 | ≤ .011 mg/L | all year |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | all year |
| Coliform, fecal general | 7-day average | ≤ 2000 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 38 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 12.5 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 18.8 lb/d | all year |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 25 Educational Services permits in Arkansas.
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