What is the Outer Continental Shelf?
The Outer Continental Shelf (OCS) refers to federal submerged lands that lie seaward of the states' jurisdiction (generally three nautical miles from the shoreline).

Public Participation Resources
News
- (January 2012) On January 12, the Environmental Appeals Board upheld the permits and denied review of three petitions challenging the final Outer Continental Shelf/Prevention of Significant Deterioration Clean Air Act permits issued in Sept. 2011 to Shell for oil and gas exploration with the Discoverer drillship in the Beaufort and Chukchi Seas.
- (December 2011) ConocoPhillips submitted a new Outer Continental Shelf/Title V Clean Air Act permit application with a new ambient air impact analysis.
- (October 2011) Final Outer Continental Shelf/Title V Clean Air Act permit issued to Shell for oil and gas exploration with the Kulluk drill rig in the Beaufort Sea. The Environmental Appeals Board received three petitions for appeal of the permit on November 28, 2011. Decision is pending.
Water Permits
Comment on new draft Beaufort Sea and Chukchi Sea General Permits through March 30. EPA is seeking public input on two new draft Beaufort Sea and Chukchi Sea General Permits for waste water discharges from oil and gas exploration activities. The new draft Beaufort Sea and Chukchi Sea General Permits will replace the Arctic General Permit which expired in 2011. The public comment period for the draft Beaufort Sea and Chukchi Sea General Permits ends March 30, 2012.
Air Permits
We have recently reviewed the following air permit applications for Arctic oil and gas exploration:
Join our mailing list: Sign up for our Arctic air and water permits mailing list to receive email updates about EPA permit activities in Alaska's Outer Continental Shelf and North Slope areas.
Tribal Consultation
In addition to the public participation process, EPA is required to offer federally-recognized Indian tribes the opportunity to consult with EPA on permitting decisions that could impact their resources. This government-to-government consultation may occur before or during the public participation process.