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Entegris Inc

Semiconductors And Related Devices, Riegelwood, North Carolina. NPDES permit NCS000533, in force until Sep 30, 2028. Last 12 months: no values over a limit, 10 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (1 value)
Renewal application due
Apr 3, 2028 · 180 days before expiry; your permit may set another date
Last report on file
None
Oct 2024 – Sep 2025
0 values over a limit, 12 required values missing, 0 of 12 reports late

Limits in force (1)

ParameterStatisticLimitMonths
Hexamethylenetetraminedaily maximumreport only (mg/L)all year

Cited limits by parameter: North Carolina's rules and the federal ones.

Same industry: the 8 Electronic and Other Electrical Equipment permits in North Carolina.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NCS000533 · MCP: https://passage-data.com/mcp