Passage Data · Check a report · Use it from your AI
Of the 7 permits in EPA's SIC 10 in MT, 3 went over a limit between 2025-10-01 and 2026-09-30 (Arsenic, total recoverable: 1; Copper, total recoverable: 1; Lead, total recoverable: 1). 4 are past the expiry date EPA's file holds; 3 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
| Facility | Last 12 months | Permit |
|---|---|---|
| STILLWATER MINING COMPANY MT0024716 · Metal Ores | Over a limit 6×: Lead, total recoverable (3×), Copper, total recoverable (3×) | Renewal application due Mar 4, 2028 |
| BUTTE HIGHLANDS JV LLC MT0031755 · major · Gold Ores | Over a limit 2×: pH (1×), Arsenic, total recoverable (1×) | Permit past the expiry date EPA's file holds |
| STILLWATER MINING COMPANY MT0026808 · Metal Ores | Over a limit 2×: Mercury, total recoverable (2×) | Renewal application due Mar 4, 2028 |
| JARDINE LAND & LIVESTOCK LLC MT0030252 · Gold Ores | No value over a limit | Renewal application overdue |
| MONTANORE MINERALS CORP MT0030279 · Silver Ores | No value over a limit | Permit past the expiry date EPA's file holds |
| PALEO SEARCH INC MT0025020 · major · Gold Ores | No value over a limit | Permit past the expiry date EPA's file holds |
| TINTINA MONTANA INC MT0031909 · major · Copper Ores | No value over a limit | Permit 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=MT&sic=10, narrowed with &over_limit=true, ¶meter=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