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Sewage treatment plant, Russellville, Alabama. NPDES permit AL0056278 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 15 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Chlorine, total residual, daily maximum | .03 | ≤ .019 mg/L | 58% |
| October 2025 | Chlorine, total residual, monthly average | .02 | ≤ .011 mg/L | 82% |
| November 2025 | Chlorine, total residual, daily maximum | .07 | ≤ .019 mg/L | 268% |
| November 2025 | Chlorine, total residual, monthly average | .0275 | ≤ .011 mg/L | 150% |
| December 2025 | Chlorine, total residual, daily maximum | .05 | ≤ .019 mg/L | 163% |
| December 2025 | Chlorine, total residual, monthly average | .03 | ≤ .011 mg/L | 173% |
| January 2026 | Chlorine, total residual, daily maximum | .05 | ≤ .019 mg/L | 163% |
| January 2026 | Chlorine, total residual, monthly average | .04 | ≤ .011 mg/L | 264% |
| January 2026 | Solids, suspended percent removal, monthly average minimum | 83.08 | ≥ 85 % | 13% |
| February 2026 | Chlorine, total residual, daily maximum | .05 | ≤ .019 mg/L | 163% |
| February 2026 | Chlorine, total residual, monthly average | .035 | ≤ .011 mg/L | 218% |
| March 2026 | Solids, suspended percent removal, monthly average minimum | 53.99 | ≥ 85 % | 207% |
| May 2026 | Solids, suspended percent removal, monthly average minimum | 83.98 | ≥ 85 % | 7% |
| August 2026 | E. coli, daily maximum | 2100 | ≤ 298 #/100mL | 605% |
| August 2026 | E. coli, monthly average | 303 | ≤ 126 #/100mL | 140% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 43 lb/d | all year |
| Solids, total suspended | weekly average | ≤ 64.5 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | weekly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.7 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 7 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.6 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.7 lb/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.4 lb/d | Apr–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 10.1 lb/d | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 5.1 lb/d | Apr–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | Apr–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | Apr–Oct |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | Apr–Oct |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | Apr–Oct |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | Apr–Oct |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | Apr–Oct |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Apr–Oct |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Apr–Oct |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Apr–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 | monthly average | ≤ .011 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year |
| E. coli | monthly average | ≤ 548 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | monthly average | ≤ 126 #/100mL | May–Oct |
| E. coli | daily maximum | ≤ 2507 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | daily maximum | ≤ 298 #/100mL | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | Jan, Feb, Mar, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 12 mg/L | Apr–Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 22.5 mg/L | Jan, Feb, Mar, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 18 mg/L | Apr–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 21.5 lb/d | Jan, Feb, Mar, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 17.2 lb/d | Apr–Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 32.2 lb/d | Jan, Feb, Mar, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 25.8 lb/d | Apr–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | all year |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
Cited limits by parameter: Alabama's rules and the federal ones.
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