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Metal Mining — NPDES discharge permits in Michigan

Of the 6 permits in EPA's SIC 10 in MI, 0 went over a limit between 2025-10-01 and 2026-09-30. 6 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
Aquila Resources USA, Inc.
MI0059945 · Copper Ores
No value over a limitPermit past the expiry date EPA's file holds
Copper Range Company
MI0006114 · Copper Ores
No value over a limitPermit past the expiry date EPA's file holds
Copperwood Resources Inc.
MI0058969 · major · Copper Ores
No value over a limitPermit past the expiry date EPA's file holds
Eagle Mine, LLC
MI0058649 · major · Copper Ores
No value over a limitPermit past the expiry date EPA's file holds
Empire Iron Mining Partnership
MI0000094 · major · Iron Ores
No value over a limit; 140 required values not reportedPermit past the expiry date EPA's file holds
Tilden Mining Company L.C.
MI0038369 · major · Iron Ores
No value over a limitPermit past the expiry date EPA's file holds

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=MI&sic=10, 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