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Industrial Inorganic Chemicals, Steubenville, Ohio. NPDES permit OH0011886, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Apr | 001 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Apr | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 001 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | Apr | 001 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | Apr | 001 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | Apr | 001 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr | 001 |
| Potassium, total [as K] | monthly average | report only (mg/L) | Apr | 001 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | Apr | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Apr | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr | 001 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Apr | 001 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Apr | 001 |
| Barium, total [as Ba] | monthly average | report only (ug/L) | Apr | 001 |
| Barium, total [as Ba] | daily maximum | report only (ug/L) | Apr | 001 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | Apr | 001 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | Apr | 001 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | Apr | 001 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | Apr | 001 |
| Strontium, total [as Sr] | monthly average | report only (ug/L) | Apr | 001 |
| Strontium, total [as Sr] | daily maximum | report only (ug/L) | Apr | 001 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | Apr | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | Apr | 001 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | Apr | 001 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | Apr | 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 |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | Apr | 001 |
| Nitrogen, nitrate total [as NO3] | daily maximum | report only (mg/L) | Apr | 001 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Apr | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Apr | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | Apr | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Apr | 002 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Apr | 002 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Apr | 002 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Apr | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Apr | 002 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | Apr | 002 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | Apr | 002 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | Apr | 002 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr | 002 |
| Potassium, total [as K] | monthly average | report only (mg/L) | Apr | 002 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | Apr | 002 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Apr | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr | 002 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Apr | 002 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Apr | 002 |
| Barium, total [as Ba] | monthly average | report only (ug/L) | Apr | 002 |
| Barium, total [as Ba] | daily maximum | report only (ug/L) | Apr | 002 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | Apr | 002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | Apr | 002 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | Apr | 002 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | Apr | 002 |
| Strontium, total [as Sr] | monthly average | report only (ug/L) | Apr | 002 |
| Strontium, total [as Sr] | daily maximum | report only (ug/L) | Apr | 002 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Apr | 002 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Apr | 002 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | Apr | 002 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | Apr | 002 |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | Apr | 002 |
| Nitrogen, nitrate total [as NO3] | daily maximum | report only (mg/L) | Apr | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Apr | 003 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Apr | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | Apr | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | Apr | 003 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Apr | 003 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Apr | 003 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Apr | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Apr | 003 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | Apr | 003 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | Apr | 003 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | Apr | 003 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr | 003 |
| Potassium, total [as K] | monthly average | report only (mg/L) | Apr | 003 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | Apr | 003 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Apr | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr | 003 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Apr | 003 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Apr | 003 |
| Barium, total [as Ba] | monthly average | report only (ug/L) | Apr | 003 |
| Barium, total [as Ba] | daily maximum | report only (ug/L) | Apr | 003 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | Apr | 003 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | Apr | 003 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | Apr | 003 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | Apr | 003 |
| Strontium, total [as Sr] | monthly average | report only (ug/L) | Apr | 003 |
| Strontium, total [as Sr] | daily maximum | report only (ug/L) | Apr | 003 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Apr | 003 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Apr | 003 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | Apr | 003 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | Apr | 003 |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | Apr | 003 |
| Nitrogen, nitrate total [as NO3] | daily maximum | report only (mg/L) | Apr | 003 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Apr | 004 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Apr | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | Apr | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | Apr | 004 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Apr | 004 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Apr | 004 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Apr | 004 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Apr | 004 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | Apr | 004 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | Apr | 004 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | Apr | 004 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Apr | 004 |
| Potassium, total [as K] | monthly average | report only (mg/L) | Apr | 004 |
| Potassium, total [as K] | daily maximum | report only (mg/L) | Apr | 004 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Apr | 004 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Apr | 004 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Apr | 004 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Apr | 004 |
| Barium, total [as Ba] | monthly average | report only (ug/L) | Apr | 004 |
| Barium, total [as Ba] | daily maximum | report only (ug/L) | Apr | 004 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | Apr | 004 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | Apr | 004 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | Apr | 004 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | Apr | 004 |
| Strontium, total [as Sr] | monthly average | report only (ug/L) | Apr | 004 |
| Strontium, total [as Sr] | daily maximum | report only (ug/L) | Apr | 004 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Apr | 004 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Apr | 004 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | Apr | 004 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | Apr | 004 |
| Nitrogen, nitrate total [as NO3] | monthly average | report only (mg/L) | Apr | 004 |
| Nitrogen, nitrate total [as NO3] | daily maximum | report only (mg/L) | Apr | 004 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 68 Chemicals and Allied Products permits in Ohio.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OH0011886 · MCP: https://passage-data.com/mcp