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Bituminous Coal And Lignite - Surface, Herod, Illinois. NPDES permit IL0064611 expired Apr 30, 2001; its limits still apply. Last 12 months: no values over a limit, 4086 required values missing, 1 of 294 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 021 |
| pH | quarterly minimum | ≥ 6 SU | all year | 021 |
| pH | maximum | ≤ 9 SU | all year | 021 |
| pH | quarterly maximum | ≤ 9 SU | all year | 021 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 021 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 021 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 021 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 021 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 021 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 021 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 021 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 021 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 021 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 021 |
| Manganese, total [as Mn] | 30-day 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 | 30-day average | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| pH | minimum | ≥ 6 SU | all year | 022 |
| pH | quarterly minimum | ≥ 6 SU | all year | 022 |
| pH | maximum | ≤ 9 SU | all year | 022 |
| pH | quarterly maximum | ≤ 9 SU | all year | 022 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 022 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 022 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 022 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 022 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 022 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 022 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 022 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 022 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 022 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 022 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 022 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 022 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 022 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 022 |
| pH | minimum | ≥ 6 SU | all year | 023 |
| pH | quarterly minimum | ≥ 6 SU | all year | 023 |
| pH | maximum | ≤ 9 SU | all year | 023 |
| pH | quarterly maximum | ≤ 9 SU | all year | 023 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 023 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 023 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 023 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 023 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 023 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 023 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 023 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 023 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 023 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 023 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 023 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 023 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 023 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 023 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 023 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 023 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 023 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 023 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 023 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 023 |
| pH | minimum | ≥ 6 SU | all year | 024 |
| pH | quarterly minimum | ≥ 6 SU | all year | 024 |
| pH | maximum | ≤ 9 SU | all year | 024 |
| pH | quarterly maximum | ≤ 9 SU | all year | 024 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 024 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 024 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 024 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 024 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 024 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 024 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 024 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 024 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 024 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 024 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 024 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 024 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 024 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 024 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 024 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 024 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 024 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 024 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 024 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 024 |
| pH | minimum | ≥ 6 SU | all year | 025 |
| pH | quarterly minimum | ≥ 6 SU | all year | 025 |
| pH | maximum | ≤ 9 SU | all year | 025 |
| pH | quarterly maximum | ≤ 9 SU | all year | 025 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 025 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 025 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 025 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 025 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 025 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 025 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 025 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 025 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 025 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 025 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 025 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 025 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 025 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 025 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 025 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 025 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 025 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 025 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 025 |
| pH | minimum | ≥ 6 SU | all year | 026 |
| pH | quarterly minimum | ≥ 6 SU | all year | 026 |
| pH | maximum | ≤ 9 SU | all year | 026 |
| pH | quarterly maximum | ≤ 9 SU | all year | 026 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 026 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 026 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 026 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 026 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 026 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 026 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 026 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 026 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 026 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 026 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 026 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 026 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 026 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 026 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 026 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 026 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 026 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 026 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 026 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 026 |
| pH | minimum | ≥ 6 SU | all year | 027 |
| pH | quarterly minimum | ≥ 6 SU | all year | 027 |
| pH | maximum | ≤ 9 SU | all year | 027 |
| pH | quarterly maximum | ≤ 9 SU | all year | 027 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 027 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 027 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 027 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 027 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 027 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 027 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 027 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 027 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 027 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 027 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 027 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 027 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 027 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 027 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 027 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 027 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 027 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 027 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 027 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 027 |
| pH | minimum | ≥ 6 SU | all year | 028 |
| pH | quarterly minimum | ≥ 6 SU | all year | 028 |
| pH | maximum | ≤ 9 SU | all year | 028 |
| pH | quarterly maximum | ≤ 9 SU | all year | 028 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 028 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 028 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 028 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 028 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 028 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 028 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 028 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 028 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 028 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 028 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 028 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 028 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 028 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 028 |
| pH | minimum | ≥ 6 SU | all year | 030 |
| pH | quarterly minimum | ≥ 6 SU | all year | 030 |
| pH | maximum | ≤ 9 SU | all year | 030 |
| pH | quarterly maximum | ≤ 9 SU | all year | 030 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 030 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 030 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 030 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 030 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 030 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 030 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 030 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 030 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 030 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 030 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 030 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 030 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 030 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 030 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 030 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 030 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 030 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 030 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 030 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 030 |
| pH | minimum | ≥ 6 SU | all year | 031 |
| pH | quarterly minimum | ≥ 6 SU | all year | 031 |
| pH | maximum | ≤ 9 SU | all year | 031 |
| pH | quarterly maximum | ≤ 9 SU | all year | 031 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 031 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 031 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 031 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 031 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 031 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 031 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 031 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 031 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 031 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 031 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 031 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 031 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 031 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 031 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 031 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 031 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 031 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 031 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 031 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 031 |
| pH | minimum | ≥ 6 SU | all year | 034 |
| pH | quarterly minimum | ≥ 6 SU | all year | 034 |
| pH | maximum | ≤ 9 SU | all year | 034 |
| pH | quarterly maximum | ≤ 9 SU | all year | 034 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 034 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 034 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 034 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 034 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 034 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 034 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 034 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 034 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 034 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 034 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 034 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 034 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 034 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 034 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 034 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 034 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 034 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 034 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 034 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 034 |
| pH | minimum | ≥ 6 SU | all year | 035 |
| pH | quarterly minimum | ≥ 6 SU | all year | 035 |
| pH | maximum | ≤ 9 SU | all year | 035 |
| pH | quarterly maximum | ≤ 9 SU | all year | 035 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 035 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 035 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 035 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 035 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 035 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 035 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 035 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 035 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 035 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 035 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 035 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 035 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 035 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 035 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 035 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 035 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 035 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 035 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 035 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 035 |
| pH | minimum | ≥ 6 SU | all year | 036 |
| pH | quarterly minimum | ≥ 6 SU | all year | 036 |
| pH | maximum | ≤ 9 SU | all year | 036 |
| pH | quarterly maximum | ≤ 9 SU | all year | 036 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 036 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 036 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 036 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 036 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 036 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 036 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 036 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 036 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 036 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 036 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 036 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 036 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 036 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 036 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 036 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 036 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 036 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 036 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 036 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 036 |
| pH | minimum | ≥ 6 SU | all year | 037 |
| pH | quarterly minimum | ≥ 6 SU | all year | 037 |
| pH | maximum | ≤ 9 SU | all year | 037 |
| pH | quarterly maximum | ≤ 9 SU | all year | 037 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 037 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 037 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 037 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 037 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 037 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 037 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 037 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 037 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 037 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 037 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 037 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 037 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 037 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 037 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 037 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 037 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 037 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 037 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 037 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 037 |
| pH | minimum | ≥ 6 SU | all year | 048 |
| pH | quarterly minimum | ≥ 6 SU | all year | 048 |
| pH | maximum | ≤ 9 SU | all year | 048 |
| pH | quarterly maximum | ≤ 9 SU | all year | 048 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 048 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 048 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 048 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 048 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 048 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 048 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 048 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 048 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 048 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 048 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 048 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 048 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 048 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 048 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 048 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 048 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 048 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 048 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 048 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 048 |
| pH | minimum | ≥ 6 SU | all year | 049 |
| pH | quarterly minimum | ≥ 6 SU | all year | 049 |
| pH | maximum | ≤ 9 SU | all year | 049 |
| pH | quarterly maximum | ≤ 9 SU | all year | 049 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 049 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 049 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 049 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 049 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 049 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 049 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 049 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 049 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 049 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 049 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 049 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 049 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 049 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 049 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 049 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 049 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 049 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 049 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 049 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 049 |
| pH | minimum | ≥ 6 SU | all year | 051 |
| pH | quarterly minimum | ≥ 6 SU | all year | 051 |
| pH | maximum | ≤ 9 SU | all year | 051 |
| pH | quarterly maximum | ≤ 9 SU | all year | 051 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 051 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 051 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 051 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 051 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 051 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 051 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 051 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 051 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 051 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 051 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 051 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 051 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 051 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 051 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 051 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 051 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 051 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 051 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 051 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 051 |
| pH | minimum | ≥ 6 SU | all year | 052 |
| pH | quarterly minimum | ≥ 6 SU | all year | 052 |
| pH | maximum | ≤ 9 SU | all year | 052 |
| pH | quarterly maximum | ≤ 9 SU | all year | 052 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 052 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 052 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 052 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 052 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 052 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 052 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 052 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 052 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 052 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 052 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 052 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 052 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 052 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 052 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 052 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 052 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 052 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 052 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 052 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 052 |
| pH | minimum | ≥ 6 SU | all year | 054 |
| pH | quarterly minimum | ≥ 6 SU | all year | 054 |
| pH | maximum | ≤ 9 SU | all year | 054 |
| pH | quarterly maximum | ≤ 9 SU | all year | 054 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 054 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 054 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 054 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 054 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 054 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 054 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 054 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 054 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 054 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 054 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 054 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 054 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 054 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 054 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 054 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 054 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 054 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 054 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 054 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 054 |
| pH | minimum | ≥ 6 SU | all year | 055 |
| pH | quarterly minimum | ≥ 6 SU | all year | 055 |
| pH | maximum | ≤ 9 SU | all year | 055 |
| pH | quarterly maximum | ≤ 9 SU | all year | 055 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 055 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 055 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 055 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 055 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 055 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 055 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 055 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 055 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 055 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 055 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 055 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 055 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 055 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 055 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 055 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 055 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 055 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 055 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 055 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 055 |
| pH | minimum | ≥ 6 SU | all year | 056 |
| pH | quarterly minimum | ≥ 6 SU | all year | 056 |
| pH | maximum | ≤ 9 SU | all year | 056 |
| pH | quarterly maximum | ≤ 9 SU | all year | 056 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 056 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 056 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 056 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 056 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 056 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 056 |
| Chloride [as Cl] | monthly minimum | report only (mg/L) | all year | 056 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 056 |
| Chloride [as Cl] | daily maximum | ≤ 1000 mg/L | all year | 056 |
| Sulfate, total [as SO4] | monthly minimum | report only (mg/L) | all year | 056 |
| Sulfate, total [as SO4] | 30-day average | report only (mg/L) | all year | 056 |
| Sulfate, total [as SO4] | daily maximum | ≤ 3500 mg/L | all year | 056 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 056 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 056 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 056 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 056 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 056 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 056 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 056 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 056 |
Cited limits by parameter: Illinois's rules and the federal ones.
Same industry: the 56 Coal Mining permits in Illinois.
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Your permit document is the final word. As JSON: /api/v1/permits/IL0064611 · MCP: https://passage-data.com/mcp