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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

NPDES General Permit for Oil and Gas Geotechnical Surveys and Related Activities in Federal Waters of the Chukchi and Beaufort Seas

Below is EPA's National Pollutant Discharge Elimination System (NPDES) general permit and supporting documents for  discharges from oil and gas geotechnical surveys and related activities in federal waters of the Chukchi and Beaufort Seas off Alaska.

Permit number: AKG284300
Effective date: March 2, 2015

Permit expires: March 1, 2020

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.