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Bituminous Coal And Lignite - Surface, Hume, Missouri. NPDES permit MO0139912, in force until Jul 31, 2027. Last 12 months: over a limit 11 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| April 2026 | 013 | Iron, total recoverable, monthly average | 3580 | ≤ 3000 ug/L | 19% |
| April 2026 | 015 | Iron, total recoverable, monthly average | 3840 | ≤ 3000 ug/L | 28% |
| April 2026 | 017 | Iron, total recoverable, daily maximum | 16200 | ≤ 6000 ug/L | 170% |
| April 2026 | 017 | Iron, total recoverable, monthly average | 16200 | ≤ 3000 ug/L | 440% |
| April 2026 | 017 | Solids, total suspended, monthly average | 42.9 | ≤ 35 mg/L | 23% |
| May 2026 | 013 | Solids, total suspended, monthly average | 53.6 | ≤ 35 mg/L | 53% |
| May 2026 | 017 | Iron, total recoverable, monthly average | 5920 | ≤ 3000 ug/L | 97% |
| May 2026 | 017 | Solids, total suspended, daily maximum | 96.7 | ≤ 70 mg/L | 38% |
| May 2026 | 017 | Solids, total suspended, monthly average | 96.7 | ≤ 35 mg/L | 176% |
| June 2026 | 017 | Iron, total recoverable, daily maximum | 6160 | ≤ 6000 ug/L | 3% |
| June 2026 | 017 | Iron, total recoverable, monthly average | 6160 | ≤ 3000 ug/L | 105% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 011 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 011 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 011 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 011 |
| pH | minimum | ≥ 6.5 SU | all year | 011 |
| pH | maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 011 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 011 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 011 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 011 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 011 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 011 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 011 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 011 |
| Chloride | daily maximum | report only (mg/L) | all year | 011 |
| Chloride | monthly average | report only (mg/L) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 011 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 011 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 012 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 012 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 012 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 012 |
| pH | minimum | ≥ 6.5 SU | all year | 012 |
| pH | maximum | ≤ 9 SU | all year | 012 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 012 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 012 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 012 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 012 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 012 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 012 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 012 |
| Chloride | daily maximum | report only (mg/L) | all year | 012 |
| Chloride | monthly average | report only (mg/L) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 012 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 012 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 013 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 013 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 013 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 013 |
| pH | minimum | ≥ 6.5 SU | all year | 013 |
| pH | maximum | ≤ 9 SU | all year | 013 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 013 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 013 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 013 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 013 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 013 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 013 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 013 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 013 |
| Chloride | daily maximum | report only (mg/L) | all year | 013 |
| Chloride | monthly average | report only (mg/L) | 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 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 013 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 013 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 014 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 014 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 014 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 014 |
| pH | minimum | ≥ 6.5 SU | all year | 014 |
| pH | maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 014 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 014 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 014 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 014 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 014 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 014 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 014 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 014 |
| Chloride | daily maximum | report only (mg/L) | all year | 014 |
| Chloride | monthly average | report only (mg/L) | 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 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 014 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 014 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 015 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 015 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 015 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 015 |
| pH | minimum | ≥ 6.5 SU | all year | 015 |
| pH | maximum | ≤ 9 SU | all year | 015 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 015 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 015 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 015 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 015 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 015 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 015 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 015 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 015 |
| Chloride | daily maximum | report only (mg/L) | all year | 015 |
| Chloride | monthly average | report only (mg/L) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 015 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 015 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 016 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 016 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 016 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 016 |
| pH | minimum | ≥ 6.5 SU | all year | 016 |
| pH | maximum | ≤ 9 SU | all year | 016 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 016 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 016 |
| Solids, settleable | daily maximum | ≤ .05 mL/L | all year | 016 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 016 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 016 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 016 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 016 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 016 |
| Chloride | daily maximum | report only (mg/L) | all year | 016 |
| Chloride | monthly average | report only (mg/L) | 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 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 016 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 016 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 017 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 017 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 017 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 017 |
| pH | minimum | ≥ 6.5 SU | all year | 017 |
| pH | maximum | ≤ 9 SU | all year | 017 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 017 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 017 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 017 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 017 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 017 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 017 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 017 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 017 |
| Chloride | daily maximum | report only (mg/L) | all year | 017 |
| Chloride | monthly average | report only (mg/L) | 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 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 017 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 017 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 018 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 018 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 018 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 018 |
| pH | minimum | ≥ 6.5 SU | all year | 018 |
| pH | maximum | ≤ 9 SU | all year | 018 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 018 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 018 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 018 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 018 |
| Iron, total recoverable | daily maximum | ≤ 6000 mg/L | all year | 018 |
| Iron, total recoverable | monthly average | ≤ 3000 mg/L | all year | 018 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 018 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 018 |
| Chloride | daily maximum | report only (mg/L) | all year | 018 |
| Chloride | monthly average | report only (mg/L) | all year | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 018 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 018 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 018 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 018 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 019 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 019 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 019 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 019 |
| pH | minimum | ≥ 6.5 SU | all year | 019 |
| pH | maximum | ≤ 9 SU | all year | 019 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 019 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 019 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 019 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 019 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 019 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 019 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 019 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 019 |
| Chloride | daily maximum | report only (mg/L) | all year | 019 |
| Chloride | monthly average | report only (mg/L) | all year | 019 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 019 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 019 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 019 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 019 |
| Sulfate [as S] | daily maximum | report only (mg/L) | all year | 020 |
| Sulfate [as S] | monthly average | report only (mg/L) | all year | 020 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 020 |
| Oxygen demand, chem. [high level] [COD] | monthly average | report only (mg/L) | all year | 020 |
| pH | daily maximum | ≤ 6.5 SU | all year | 020 |
| pH | maximum | ≤ 9 SU | all year | 020 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 020 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 020 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 020 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 020 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 020 |
| Iron, total recoverable | monthly average | ≤ 3000 ug/L | all year | 020 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 020 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 020 |
| Chloride | daily maximum | report only (mg/L) | all year | 020 |
| Chloride | monthly average | report only (mg/L) | all year | 020 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 020 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 020 |
| Chlorides + Sulfates | daily maximum | report only (mg/L) | all year | 020 |
| Chlorides + Sulfates | monthly average | report only (mg/L) | all year | 020 |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 3 Coal Mining permits in Missouri.
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Your permit document is the final word. As JSON: /api/v1/permits/MO0139912 · MCP: https://passage-data.com/mcp