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Coal Mining — NPDES discharge permits in Utah

Of the 13 permits in EPA's SIC 12 in UT, 3 went over a limit between 2025-10-01 and 2026-09-30 (Iron, total [as Fe]: 2; Oxygen, dissolved [DO]: 1; Pass/Fail Static Renewal 7Day Chronic Pimephales promelas: 1). 1 is past the expiry date EPA's file holds; 5 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
CANYON FUEL CO., LLC - SKYLINE
UT0023540 · major · Bituminous Coal - Underground
Over a limit 6×: Iron, total [as Fe] (4×), Solids, total dissolved (1×), Oxygen, dissolved [DO] (1×)Expires Oct 31, 2030
Canyon Fuel LLC SUFCO Mine
UT0022918 · major · Bituminous Coal And Lignite - Surface
Over a limit 1×: Iron, total [as Fe] (1×)Renewal application due Aug 4, 2027
Utah Land Resources, Inc. Princess Mine
UT0024368 · Bituminous Coal And Lignite - Surface
Over a limit 1×: Pass/Fail Static Renewal 7Day Chronic Pimephales promelas (1×)Renewal application due Aug 4, 2027
Alton Coal Development, LLC
UT0025992 · Bituminous Coal And Lignite - Surface
No value over a limitExpires Jul 31, 2031
CANYON FUEL CO., DUGOUT
UT0025593 · Bituminous Coal - Underground
No value over a limitExpires Aug 31, 2030
CANYON FUEL CO., LLC - SOLDIER
UT0023680 · Bituminous Coal And Lignite - Surface
No value over a limitRenewal application overdue
Emery Valley Resources, LLC
UT0022616 · major · Bituminous Coal And Lignite - Surface
No value over a limitRenewal application due Jul 4, 2027
Fossil Rock Resources, LLC-Fossil Rock Mine
UT0023728 · Bituminous Coal - Underground
No value over a limitExpires Apr 30, 2029
HIAWATHA COAL COMPANY
UT0023094 · Bituminous Coal And Lignite - Surface
No value over a limitExpires Jan 31, 2031
PACIFICORP - COTTONWOOD/WILBERG MINE
UT0022896 · Bituminous Coal - Underground
No value over a limitExpires Apr 30, 2029
PACIFICORP - DEER CREEK MINE
UT0023604 · Bituminous Coal And Lignite - Surface
No value over a limitPermit past the expiry date EPA's file holds
SUNNYSIDE COGENERATION ASSOC.
UT0024759 · Bituminous Coal And Lignite - Surface
No value over a limitExpires Feb 28, 2029
Utah Land Resources, INC. West Ridge Mine
UT0025640 · Bituminous Coal - Underground
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=UT&sic=12, 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