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Cold Finishing Of Steel Shapes, Portage, Indiana. NPDES permit INRM00981, in force until Jan 4, 2030. Last 12 months: no values over a limit, 8 required values missing, 1 of 1 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | maximum | report only (SU) (alert, not enforceable) | Jan |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | Jan |
| Oil and grease, hexane extr method | maximum | report only (mg/L) (alert, not enforceable) | Jan |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | Jan |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | Jan |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | Jan |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (mg/L) (alert, not enforceable) | Jan |
| Chemical Oxygen Demand [COD] | maximum | report only (mg/L) (alert, not enforceable) | Jan |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 54 Primary Metal Industries 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/INRM00981 · MCP: https://passage-data.com/mcp