You are here: Home


Welcome to the United States (U.S.) Department of the Navy (Navy) official website for the Northwest Training and Testing (NWTT) Environmental Impact Statement (EIS)/Overseas Environmental Impact Statement (OEIS). This website is intended to provide the public and other interested entities with an understanding of the Navy’s proposal, the environmental resources to be reviewed in the NWTT EIS/OEIS, the importance of accommodating required training levels and maintaining of military readiness, and how the public can be involved in the National Environmental Policy Act (NEPA) process. In addition, this website contains information on how the Navy is employing protective measures to reduce environmental effects from military training and testing activities.

What's New and Upcoming

Public Review and Comment on the Draft NWTT EIS/OEIS
Public commenting on the Draft EIS/OEIS is now closed. Comments were accepted from January 24, 2014 to April 15, 2014. A report summarizing the public involvement during the Draft EIS/OEIS comment period is available by clicking here.

Navy Sonar and Environmental Stewardship Video
Marine mammals rely on underwater sound to survive. Similarly, the U.S. Navy depends on sonar for defending our ships at sea. To continue its mission and protect marine mammals, the Navy has studied the potential effects of its sonar activities and developed protective measures to minimize potential impacts to marine mammals.  Watch the video.


Loading the player ...

NWTT Study Area Map


Website last updated on May 15, 2014.