Passage Data · Check a report · Use it from your AI
Of the 4 permits in EPA's SIC 29 in MT, 2 went over a limit between 2025-10-01 and 2026-09-30 (Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas: 2; Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia: 1). 3 are past the expiry date EPA's file holds; 1 has a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
| Facility | Last 12 months | Permit |
|---|---|---|
| CHS INC MT0000264 · major · Petroleum Refining | Over a limit 4×: Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas (3×), Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia (1×) | Renewal application due May 4, 2027 |
| Par Montana, LLC. MT0000477 · major · Petroleum Refining | Over a limit 1×: Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas (1×) | Permit past the expiry date EPA's file holds |
| PHILLIPS 66 BILLINGS REFINERY MT0000256 · major · Petroleum Refining | No value over a limit | Permit past the expiry date EPA's file holds |
| Par Montana, LLC. MT0028321 · Petroleum Refining | 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=29, 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