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Sewage treatment plant, major discharger, Birmingham, Alabama. NPDES permit AL0023647 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 4 times (last March 2026), 3 of 41 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| March 2026 | 001 | E. coli, daily maximum | T | ≤ 2507 #/100mL | — |
| March 2026 | 001 | E. coli, monthly average | T | ≤ 548 #/100mL | — |
| March 2026 | 001 | Nitrogen, ammonia total [as N], weekly average | 2.1 | ≤ 1.5 mg/L | 40% |
| March 2026 | 003 | Nitrogen, ammonia total [as N], weekly average | 814 | ≤ 750 lb/d | 9% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 5.5 mg/L | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 24 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 36 mg/L | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | weekly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | weekly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 1.5 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | weekly average | report only (lb/d) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Mar–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jan, Feb, Nov, Dec | 001 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Mar–Oct | 001 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Jan, Feb, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Mar–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Jan, Feb, Nov, Dec | 001 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Mar–Oct | 001 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Jan, Feb, Nov, Dec | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ .013 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .022 mg/L | all year | 001 |
| E. coli | monthly average | ≤ 548 #/100mL | all year | 001 |
| E. coli | daily maximum | ≤ 2507 #/100mL | all year | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | Aug | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | Aug | 001 |
| Mercury, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Mercury, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 6 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 4 mg/L | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 9 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 6 mg/L | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | all year | 001 |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5.5 mg/L | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 24 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 36 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 |
| 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 | ≤ 1 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 1.5 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | report only (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) | Mar–Oct | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jan, Feb, Nov, Dec | 002 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Mar–Oct | 002 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Jan, Feb, Nov, Dec | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Mar–Oct | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Jan, Feb, Nov, Dec | 002 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Mar–Oct | 002 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Jan, Feb, Nov, Dec | 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 | monthly average | ≤ .013 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .022 mg/L | all year | 002 |
| E. coli | monthly average | ≤ 548 #/100mL | all year | 002 |
| E. coli | daily maximum | ≤ 2507 #/100mL | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 6 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 4 mg/L | May–Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 9 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 6 mg/L | May–Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | May–Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | May–Nov | 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 |
| 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 | ≤ 12009 lb/d | all year | 003 |
| Solids, total suspended | weekly average | ≤ 18014 lb/d | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | weekly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 500 lb/d | all year | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 750 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) | Mar–Oct | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jan, Feb, Nov, Dec | 003 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Mar–Oct | 003 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Jan, Feb, Nov, Dec | 003 |
| Phosphorus, total [as P] | monthly average | ≤ 500 lb/d | Mar–Oct | 003 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Jan, Feb, Nov, Dec | 003 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Mar–Oct | 003 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Jan, Feb, Nov, Dec | 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 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | Aug | 003 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | Aug | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | May–Nov | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | May–Nov | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3002 lb/d | Jan, Feb, Mar, Apr, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 2001 lb/d | May–Nov | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 4503 lb/d | Jan, Feb, Mar, Apr, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 3002 lb/d | May–Nov | 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 | 007 |
| pH | daily maximum | report only (SU) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| E. coli | daily maximum | report only (#/100mL) | all year | 007 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 007 |
| pH | daily minimum | report only (SU) | all year | 016 |
| pH | daily maximum | report only (SU) | all year | 016 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 016 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 016 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 016 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 016 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 016 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| E. coli | daily maximum | report only (#/100mL) | all year | 016 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 016 |
Cited limits by parameter: Alabama's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/AL0023647 · MCP: https://passage-data.com/mcp