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Petroleum Refining and Related Industries — NPDES discharge permits in Wyoming

Of the 4 permits in EPA's SIC 29 in WY, 2 went over a limit between 2025-10-01 and 2026-09-30 (E. coli: 1; pH: 1). 1 is past the expiry date EPA's file holds; 2 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
Wyoming Refining Company
WY0001163 · Petroleum Refining
Over a limit 9×: E. coli (9×)Expires Jul 31, 2029
Silver Eagle Refining, Inc.
WYS000014 · Petroleum Refining
Over a limit 2×: pH (2×)Permit past the expiry date EPA's file holds
Flying J Petroleums, Inc
WY0000451 · Petroleum Refining
No value over a limit; 144 required values not reportedRenewal application due Mar 4, 2028
Slate Refining, LLC
WYS000018 · Petroleum Refining
No value over a limitRenewal application due Apr 3, 2027

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=WY&sic=29, 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