Bristol Bay
U.S. Army Corps of Engineers Begins Review of Pebble Mine Permit Application
The U.S. Army Corps of Engineers (Corps) is reviewing a Clean Water Act permit application from the Pebble Limited Partnership and has started the Environmental Impact Statement (EIS) process under the National Environmental Policy Act. The Corps is the lead agency to develop the EIS, and EPA is a cooperating agency. The Corps initiated a public scoping of the EIS on April 1, 2018. For more information, visit the Corps’ Pebble Project EIS website.Exit
EPA Suspends Withdrawal of Proposed Determination
After hearing directly from stakeholders and the people of Alaska, EPA is suspending its process to withdraw proposed restrictions on mining in Bristol Bay. Learn more about EPA's decision not to withdraw proposed restrictions.
2017 Settlement Agreement
In May 2017, EPA entered into a settlement agreement with the Pebble Limited Partnership to resolve litigation from 2014 relating to EPA's prior work in the Bristol Bay watershed.
2014 Proposed Determination
In July 2014, EPA Region 10 initiated a process to protect one of the world’s most valuable salmon fisheries, in Bristol Bay, Alaska, from the risks posed by a mine at the Pebble deposit.
- Read the Executive Summary and Proposed Determination
- View all public comments on the proposal (links to docket on regulations.gov)
2014 Bristol Bay Assessment
In January 2014, EPA issued its final assessment of the potential impacts of large-scale mining development on Bristol Bay fisheries and wildlife, and on Alaska Native cultures of the region.
Watershed map
