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Industrial Organic Chemicals, Gary, Indiana. NPDES permit IN0062979, in force until Apr 30, 2029. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year |
| Cyanide, free [as free] | daily maximum | report only (mg/L) | all year |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year |
| Silver total recoverable | daily maximum | report only (mg/L) | all year |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year |
| Flow, total | monthly total | report only (Mgal/mo) | all year |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 45 Chemicals and Allied Products permits in Indiana.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IN0062979 · MCP: https://passage-data.com/mcp