Passage Data · Check a report · Use it from your AI

Metal Mining — NPDES discharge permits in Arizona

Of the 8 permits in EPA's SIC 10 in AZ, 1 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 1). 4 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
Capstone Mining Corp- Pinto Valley Mine
AZ0020401 · major · Copper Ores
Over a limit 2×: Solids, total suspended (2×)Expires Dec 3, 2030
ASARCO, INC.
AZ0024635 · Copper Ores
No value over a limit; 153 required values not reportedPermit past the expiry date EPA's file holds
Arizona Minerals, Inc.
AZ0026387 · major · Copper Ores
No value over a limitExpires Jul 2, 2029
Asarco Llc - Ray Operations
AZ0000035 · major · Copper Ores
No value over a limit; 26 required values not reportedPermit past the expiry date EPA's file holds
CYPRUS TOHONO CORP
AZ0024601 · Copper Ores
No value over a limitPermit past the expiry date EPA's file holds
Freeport-Mcmoran Bagdad Inc.
AZ0022268 · major · Copper Ores
No value over a limitExpires Aug 3, 2030
Freeport-Mcmoran Miami Inc.
AZ0024350 · Copper Ores
No value over a limitExpires Apr 16, 2030
Resolution Copper Mining Llc
AZ0020389 · major · Copper 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=AZ&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