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Sewage treatment plant, major discharger, Florence, Alabama. NPDES permit AL0023884, in force until Dec 31, 2026. Last 12 months: over a limit 3 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | E. coli, daily maximum | 10500 | ≤ 298 #/100mL | 3423% |
| June 2026 | E. coli, daily maximum | 341 | ≤ 298 #/100mL | 14% |
| July 2026 | E. coli, daily maximum | 426 | ≤ 298 #/100mL | 43% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 5004 lb/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 7506 lb/d | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | weekly average | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 30 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3336 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 5004 lb/d | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year | 002 |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .25 mg/L | all year | 002 |
| E. coli | monthly average | ≤ 126 #/100mL | May–Oct | 002 |
| E. coli | monthly average | ≤ 548 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| E. coli | daily maximum | ≤ 298 #/100mL | May–Oct | 002 |
| E. coli | daily maximum | ≤ 2507 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Toxicity [acute], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | Nov | 002 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 4170 lb/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 6255 lb/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | all year | 002 |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year | 003 |
| Solids, total suspended | weekly average | ≤ 135 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 11259 lb/d | all year | 003 |
| Solids, total suspended | weekly average | ≤ 16888 lb/d | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 003 |
| Solids, total suspended | weekly average | report only (lb/d) | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 30 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2502 lb/d | all year | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3753 lb/d | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | all year | 003 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year | 003 |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 003 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ .25 mg/L | all year | 003 |
| E. coli | monthly average | ≤ 548 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| E. coli | monthly average | ≤ 126 #/100mL | May–Oct | 003 |
| E. coli | daily maximum | ≤ 2507 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 003 |
| E. coli | daily maximum | ≤ 298 #/100mL | May–Oct | 003 |
| Toxicity [acute], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | Nov | 003 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | Nov | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3127 lb/d | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 4691 lb/d | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | all year | 003 |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year | 003 |
| Solids, suspended percent removal | monthly average minimum | ≥ 65 % | all year | 003 |
| pH | daily minimum | report only (SU) | all year | 004 |
| pH | daily maximum | report only (SU) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| E. coli | daily maximum | report only (#/100mL) | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 004 |
| pH | daily minimum | report only (SU) | all year | 005 |
| pH | daily maximum | report only (SU) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| E. coli | daily maximum | report only (#/100mL) | all year | 005 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 005 |
Cited limits by parameter: Alabama's rules and the federal ones.
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