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Bituminous Coal And Lignite - Surface, Montevallo, Alabama. NPDES permit AL0069108 expired Mar 31, 2020; its limits still apply. Last 12 months: no values over a limit, 2751 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Specific conductance | monthly average | report only (uS/cm) | all year | 001 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 001 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 001 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 001 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 10.5 SU | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 001 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 001 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 001 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 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 |
| 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 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 001 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 002 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 002 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 002 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 002 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 002 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 002 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 002 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 10.5 SU | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 002 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 002 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 002 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | 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 |
| 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 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 002 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 002 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 002 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 002 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 004 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 004 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 004 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 004 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 004 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 004 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 004 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 004 |
| pH | daily minimum | ≥ 6 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| pH | daily minimum | ≥ 6 SU | all year | 004 |
| pH | daily maximum | ≤ 10.5 SU | all year | 004 |
| pH | daily minimum | ≥ 6 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 004 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 004 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 004 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 004 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 004 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 004 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 004 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 004 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 004 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 004 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 004 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 004 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 004 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 004 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 004 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 007 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 007 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 007 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 007 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 007 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 007 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 007 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 007 |
| pH | daily minimum | ≥ 6 SU | all year | 007 |
| pH | daily maximum | ≤ 9 SU | all year | 007 |
| pH | daily minimum | ≥ 6 SU | all year | 007 |
| pH | daily maximum | ≤ 10.5 SU | all year | 007 |
| pH | daily minimum | ≥ 6 SU | all year | 007 |
| pH | daily maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 007 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 007 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 007 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 007 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 007 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 007 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 007 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 007 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 007 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 007 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 007 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 007 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 007 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 007 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 007 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 007 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 007 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 007 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 007 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 007 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 007 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 007 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 007 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 013 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 013 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 013 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 013 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 013 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 013 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 013 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 013 |
| pH | daily minimum | ≥ 6 SU | all year | 013 |
| pH | daily maximum | ≤ 9 SU | all year | 013 |
| pH | daily minimum | ≥ 6 SU | all year | 013 |
| pH | daily maximum | ≤ 10.5 SU | all year | 013 |
| pH | daily minimum | ≥ 6 SU | all year | 013 |
| pH | daily maximum | ≤ 9 SU | all year | 013 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 013 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 013 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 013 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 013 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 013 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 013 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 013 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 013 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 013 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 013 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 013 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 013 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 013 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 013 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 013 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 013 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 013 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 013 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 013 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 013 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 013 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 013 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 013 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 013 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 014 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 014 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 014 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 014 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 014 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 014 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 014 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 014 |
| pH | daily minimum | ≥ 6 SU | all year | 014 |
| pH | daily maximum | ≤ 8.5 SU | all year | 014 |
| pH | daily minimum | ≥ 6 SU | all year | 014 |
| pH | daily maximum | ≤ 10.5 SU | all year | 014 |
| pH | daily minimum | ≥ 6 SU | all year | 014 |
| pH | daily maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 014 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 014 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 014 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 014 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 014 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 014 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 014 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 014 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 014 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 014 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 014 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 014 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 014 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 014 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 014 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 014 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 014 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 014 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 014 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 014 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 014 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 014 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 014 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 014 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 014 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 014 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 016 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 016 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 016 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 016 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 016 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 016 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 016 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 016 |
| pH | daily minimum | ≥ 6 SU | all year | 016 |
| pH | daily maximum | ≤ 8.5 SU | all year | 016 |
| pH | daily minimum | ≥ 6 SU | all year | 016 |
| pH | daily maximum | ≤ 10.5 SU | all year | 016 |
| pH | daily minimum | ≥ 6 SU | all year | 016 |
| pH | daily maximum | ≤ 9 SU | all year | 016 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 016 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 016 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 016 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 016 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 016 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 016 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 016 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 016 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 016 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 016 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 016 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 016 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 016 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 016 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 016 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 016 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 016 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 016 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 016 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 016 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 016 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 016 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 016 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 016 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 016 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 016 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 016 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 017 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 017 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 017 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 017 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 017 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 017 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 017 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 017 |
| pH | daily minimum | ≥ 6 SU | all year | 017 |
| pH | daily maximum | ≤ 8.5 SU | all year | 017 |
| pH | daily minimum | ≥ 6 SU | all year | 017 |
| pH | daily maximum | ≤ 10.5 SU | all year | 017 |
| pH | daily minimum | ≥ 6 SU | all year | 017 |
| pH | daily maximum | ≤ 9 SU | all year | 017 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 017 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 017 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 017 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 017 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 017 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 017 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 017 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 017 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 017 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 017 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 017 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 017 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 017 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 017 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 017 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 017 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 017 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 017 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 017 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 017 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 017 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 017 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 017 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 017 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 017 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 017 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 017 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 017 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 017 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 017 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 017 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 021 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 021 |
| Specific conductance | monthly average | report only (uS/cm) | all year | 021 |
| Specific conductance | daily maximum | report only (uS/cm) | all year | 021 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 021 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 021 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 021 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 021 |
| pH | daily minimum | ≥ 6 SU | all year | 021 |
| pH | daily maximum | ≤ 8.5 SU | all year | 021 |
| pH | daily minimum | ≥ 6 SU | all year | 021 |
| pH | daily maximum | ≤ 10.5 SU | all year | 021 |
| pH | daily minimum | ≥ 6 SU | all year | 021 |
| pH | daily maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 021 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 021 |
| Solids, total suspended | monthly average | ≤ 45 mg/L | all year | 021 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 021 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 021 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 021 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 021 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 021 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 021 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 021 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 021 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 021 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 021 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 021 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 021 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 021 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 021 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 021 |
| Iron, total [as Fe] | daily maximum | ≤ 7 mg/L | all year | 021 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 021 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 021 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 021 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 021 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 021 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 021 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 021 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 021 |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 76 Coal Mining permits in Alabama.
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Your permit document is the final word. As JSON: /api/v1/permits/AL0069108 · MCP: https://passage-data.com/mcp