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Bituminous Coal And Lignite - Surface, Eden, Illinois. NPDES permit IL0077984 expired Feb 28, 2023; its limits still apply. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Sulfate, total [as SO4], daily maximum | 1360 mg/L | ≤ 1240 mg/L | 10% |
| May 2026 | Sulfate, total [as SO4], daily maximum | 2140 mg/L | ≤ 1240 mg/L | 73% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | quarterly minimum | ≥ 6 SU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | quarterly minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | quarterly maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | quarterly maximum | ≤ 9 SU | all year | 001 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 001 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 001 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1391 mg/L | all year | 001 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | ≤ 2950 mg/L | all year | 001 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 001 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 001 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | 30-day 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 | ≤ 6 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 001 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Phenolics, total recoverable | daily maximum | report only (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 | monthly average | 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 | 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 | daily maximum | 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 | daily maximum | report only (MGD) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | quarterly minimum | ≥ 6 SU | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | quarterly minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| pH | quarterly maximum | ≤ 9 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| pH | quarterly maximum | ≤ 9 SU | all year | 002 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 002 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 002 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 002 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 002 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | ≤ 2950 mg/L | all year | 002 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1391 mg/L | all year | 002 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 002 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 002 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 002 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 002 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | 30-day 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 | ≤ 6 mg/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 002 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 002 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 002 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 002 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 002 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 002 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 002 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Phenolics, total recoverable | daily maximum | report only (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 | monthly average | 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 | 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 | daily maximum | 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 | daily maximum | report only (MGD) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 002 |
| pH | quarterly minimum | ≥ 6 SU | all year | 003 |
| pH | quarterly minimum | ≥ 6 SU | all year | 003 |
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | quarterly maximum | ≤ 9 SU | all year | 003 |
| pH | quarterly maximum | ≤ 9 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 003 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 003 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 003 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 003 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 003 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 003 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 003 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 003 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1559 mg/L | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | ≤ 2950 mg/L | all year | 003 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 003 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 003 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 003 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 003 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 003 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 003 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 003 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 003 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 003 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 003 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 003 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 003 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 003 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 003 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 003 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 003 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 003 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 003 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 003 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 003 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 003 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 003 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 003 |
| pH | quarterly minimum | ≥ 6 SU | all year | 004 |
| pH | quarterly minimum | ≥ 6 SU | all year | 004 |
| pH | minimum | ≥ 6.5 SU | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | quarterly maximum | ≤ 9 SU | all year | 004 |
| pH | quarterly maximum | ≤ 9 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 004 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 004 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 004 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 004 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 004 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 004 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 004 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 004 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 004 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 004 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 2950 mg/L | all year | 004 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1240 mg/L | all year | 004 |
| Sulfate, total [as SO4] | daily maximum | ≤ 2950 mg/L | all year | 004 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 004 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 004 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 004 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 004 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 004 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 004 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 004 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 004 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 004 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 004 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 004 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 004 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 004 |
| Iron, total [as Fe] | 30-day 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 | ≤ 6 mg/L | all year | 004 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 004 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 004 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 004 |
| Manganese, total [as Mn] | daily maximum | ≤ 1 mg/L | all year | 004 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 004 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 004 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 004 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 004 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 004 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 004 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 004 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 004 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Phenolics, total recoverable | daily maximum | report only (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 | monthly average | 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 | 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 | daily maximum | 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 | daily maximum | report only (MGD) | all year | 004 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 004 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 004 |
| pH | quarterly minimum | ≥ 6 SU | all year | 005 |
| pH | minimum | ≥ 6.5 SU | all year | 005 |
| pH | minimum | ≥ 6.5 SU | all year | 005 |
| pH | quarterly minimum | ≥ 6 SU | all year | 005 |
| pH | quarterly maximum | ≤ 9 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| pH | quarterly maximum | ≤ 9 SU | all year | 005 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 005 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 005 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 005 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 005 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 005 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 005 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 005 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 005 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 1559 mg/L | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1559 mg/L | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1559 mg/L | all year | 005 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 1559 mg/L | all year | 005 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 005 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 005 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 005 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | minimum | ≥ 6.5 SU | all year | 006 |
| pH | quarterly minimum | ≥ 6 SU | all year | 006 |
| pH | quarterly minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| pH | quarterly maximum | ≤ 9 SU | all year | 006 |
| pH | quarterly maximum | ≤ 9 SU | all year | 006 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Acidity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 006 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 006 |
| Solids, settleable | quarterly maximum | ≤ .5 mL/L | all year | 006 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 006 |
| Hardness, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 006 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 006 |
| Chloride [as Cl] | daily maximum | ≤ 500 mg/L | all year | 006 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 006 |
| Chloride [as Cl] | quarterly maximum | ≤ 500 mg/L | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1391 mg/L | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | ≤ 1391 mg/L | all year | 006 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 1391 mg/L | all year | 006 |
| Sulfate, total [as SO4] | quarterly maximum | ≤ 1391 mg/L | all year | 006 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 006 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 006 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 006 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 006 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 006 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 006 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 006 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 006 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 006 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 006 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 006 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 006 |
| Iron, total [as Fe] | 30-day average | ≤ 3 mg/L | all year | 006 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 006 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 006 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 006 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 006 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 006 |
| Manganese, total [as Mn] | 30-day average | ≤ 2 mg/L | all year | 006 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 006 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 006 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 006 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 006 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 006 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 006 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 006 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 006 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 006 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 006 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 006 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 006 |
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/IL0077984 · MCP: https://passage-data.com/mcp