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Primary Metal Industries — NPDES discharge permits in Connecticut

Of the 3 permits in EPA's SIC 33 in CT, 0 went over a limit between 2025-10-01 and 2026-09-30. 2 are past the expiry date EPA's file holds; 0 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
Nucor Steel Connecticut, Inc.
CT0026794 · Blast Furnaces And Steel Mills
No value over a limitPermit past the expiry date EPA's file holds
UNITED ALUMINUM
CT0030201 · Aluminum Sheet, Plate, And Foil
No value over a limit; 3 required values not reportedPermit past the expiry date EPA's file holds
WIELAND ROLLED PRODUCTS NORTH AMERICA, LLC
CT0021873 · major · Copper Rolling And Drawing
No value over a limitExpires Dec 31, 2029

The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.

For programs and AI agents: this screen as JSON at /api/v1/permits?state=CT&sic=33, narrowed with &over_limit=true, &parameter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states