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Of the 6 permits in EPA's SIC 29 in OK, 3 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 2; Oil and grease, hexane extr method: 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.
All Oklahoma permitsAll states
| Facility | Last 12 months | Permit |
|---|---|---|
| HF Sinclair Tulsa Refining, LLC OK0001309 · major · Petroleum Refining | Over a limit 2×: pH (1×), Solids, total suspended (1×) | Expires Sep 30, 2031 |
| Phillips 66 Company-Ponca City Refinery OK0000256 · major · Petroleum Refining | Over a limit 1×: Oil and grease, hexane extr method (1×) | Expires Jan 31, 2031 |
| Wynnewood Refining Co. -PLF Remediation Site OK0100544 · Petroleum Refining | Over a limit 1×: Solids, total suspended (1×) | Renewal application due Mar 4, 2027 |
| HollyFrontier Tulsa Refining LLC (West) OK0000876 · major · Petroleum Refining | No value over a limit | Permit past the expiry date EPA's file holds |
| Valero Refining Company OK0001295 · major · Petroleum Refining | No value over a limit | Expires Feb 28, 2030 |
| Wynnewood Refining Co. OK0000825 · major · Petroleum Refining | No value over a limit | Renewal application due Apr 3, 2028 |
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=OK&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