EPA Air · violations by state and year

High-priority air violations in Alaska, 2026

19Violations

A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Every violation below was recorded against a source in Alaska during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Alaska, 2026

Alaska, other years

High-priority air violations recorded in Alaska, 2026

Date	Facility	Where	Kind	Agency
2026-08-31	HILCORP ALASKA, LLC / DOLLY VARDEN PLATFORM — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-08-05	PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file	VALDEZ, Valdez-Cordova (CA), AK	Earliest FRV determination	State
2026-07-13	PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file	VALDEZ, Valdez-Cordova (CA), AK	HPV day-zero determination	State
2026-06-29	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-29	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-29	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-26	HILCORP ALASKA, LLC / CENTRAL GAS FACILITY (CGF) — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Earliest FRV determination	State
2026-06-26	NORTH SLOPE BOROUGH / ANAKTUVUK PASS POWER PLANT — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Earliest FRV determination	State
2026-06-17	HILCORP ALASKA, LLC / PLATFORM A — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-17	HILCORP ALASKA, LLC / PLATFORM C, MIDDLE GROUND SHOAL, COOK I — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-06-16	HILCORP ALASKA, LLC / FLOW STATION #3 (FS 3) — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Earliest FRV determination	State
2026-06-15	HILCORP ALASKA, LLC / FLOW STATION #1 (FS 1) — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Earliest FRV determination	State
2026-05-29	HILCORP ALASKA, LLC / POINT THOMSON PRODUCTION FACILITY — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	HPV day-zero determination	State
2026-05-13	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-02-13	TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file	KENAI, Kenai Peninsula, AK	Earliest FRV determination	State
2026-01-30	NORTH SLOPE BOROUGH / NUIQSUT POWER PLANT — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	HPV day-zero determination	State
2026-01-30	TRIDENT SEAFOODS / AKUTAN SEAFOOD PROCESSING FACILITY — high-priority violation on file	AKUTAN, Aleutians East, AK	Earliest FRV determination	State
2026-01-30	US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file	FAIRBANKS, Fairbanks North Star, AK	HPV day-zero determination	State
2026-01-29	TDX POWER, LLC / TNSG NORTH POWER PLANT — high-priority violation on file	NORTH SLOPE BOROUGH, North Slope, AK	Earliest FRV determination	State

Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.