An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Underground Injection Control (UIC)

Class I UIC Permits Issued by EPA Region 10

The table below contains Class I UIC permits issued by EPA Region 10 for oil development activities in Alaska.

See our Alaska Oil & Gas Aquifer Exemptions Interactive Map to find the location of Class I non-hazardous injection wells and associated aquifer exemptions.

For proposed draft permits, see UIC public notices.

Permit Number Facility Name Location Permit Expires Permit Documents
Class I UIC Permits Issued by EPA in Alaska
AK1I001-B Badami Unit North Slope 2027-08-22 Badami UIC Permit
AK1I002-C Northstar Unit North Slope 2030-09-17 Northstar UIC Permit
AK1I010-B Colville River Unit (Well CD1-01A) North Slope 2027-11-30 Colville River UIC Permit (AK1I010B)
AK1I014-B Beluga River Unit Cook Inlet 2029-07-31 Beluga River UIC Permit
AK1I008-B Prudhoe Bay Grind and Inject Facility North Slope 2027-08-31 Prudhoe Bay Grind & Inject UIC Permit
AK1I004-B Prudhoe Bay Pad-3 Disposal Facility North Slope 2019-12-07 Prudhoe Bay Pad-3 UIC Permit
AK1I003-C Colville River Unit (Well WD-02) North Slope 2029-03-13 Colville River Unit UIC Permit (AK1I003C)
AK1I005-B Milne Point Unit North Slope 2024-11-02 Milne Point UIC Permit
AK1I013-A Duck Island Unit and Endicott Satellite Drilling Island North Slope 2019-09-15 Duck Island/Endicott UIC Permit
AK1I006-B McArthur River Field, Trading Bay Unit Cook Inlet 2025-10-18 Trading Bay UIC Permit
AK1I011-C Nikaitchuq Unit North Slope 2028-09-16 Nikaitchuq UIC Permit
AK1I007-B Redoubt and West McArthur River Units Cook Inlet 2026-10-11 Redoubt/West McArthur UIC Permit
AK1I009-B Oooguruk Unit North Slope 2027-08-31 Oooguruk Drill Site UIC Permit
AK1I012-B Tyonek Gas Development Project Cook Inlet 2029-06-02 Tyonek UIC Permit
AK1I015-B Point Thomson Unit North Slope 2030-03-08 Point Thomson UIC Permit
AK1I017-A Nuna Project, Oooguruk Unit North Slope 2026-09-14 Nuna-Oooguruk UIC Permit
AK1I016-A Cosmopolitan Unit Cook Inlet 2026-04-14 Cosmopolitan UIC Permit