Pacific Southwest Region
California, Nevada and Klamath Basin

Our Mission

The Mission of the U.S. Fish & Wildlife Service: working with others to conserve, protect and enhance fish, wildlife and plants and their habitats for the continuing benefit of the American people.

The Service helps protect a healthy environment for people, fish and wildlife, and helps Americans conserve and enjoy the outdoors and our living treasures. The Service's major responsibilities are for migratory birds, endangered species, certain marine mammals, and freshwater and anadromous fish.

Facts About the Pacific Southwest Region

  • More than 900 employees.
  • 48 National Wildlife Refuges, comprising more than 2.8 million acres (more than 470,000 in California, 2.3 million in Nevada and more than 23,800 acres in the Klamath Basin of Oregon).
  • 3 Wildlife Management Areas in California, encompassing more than 104,000 acres.
  • Largest National Wildlife Refuge: Desert NWR near Las Vegas, Nev: 1.6 million acres.
  • Smallest National Wildlife Refuge: Castle Rock NWR, an island one-half mile off the coast of California near Crescent City: 13.89 acres.
  • 3 National Fish Hatcheries and 1 Fish Health Center.
  • 11 Fish and Wildlife Offices (Ecological Services).
  • More than 1.9 million people visited refuges in California, in 2010, spending more than $37 million on activities ranging from observing wildlife and birding to hunting and fishing.
  • 127 Federally-recognized tribes in Region 8: 107 in California, 19 in Nevada and 1 in the Klamath Basin.
  • 346 Federally-listed threatened or endangered species occur in California (309) and Nevada (37). Our region has lead management responsibility for 292 of these species. Lead management responsibilities for the remaining 54 listed species is assigned to either the Pacific, Southwest, or Mountain-Prairie Regions of the Service.

Our Regional Management Team

Where We're Located

Ren Lohoefener, Regional Director

Alexandra Pitts, Deputy Regional Director

Vacant, Assistant Regional Director, Budget & Administration

Mike Fris, Assistant Regional Director, Ecological Services

Paul McKim, Assistant Regional Director, External Affairs

Dan Castleberry, Assistant Regional Director, Fish and Aquatic Conservation

Eric Davis, Assistant Regional Director, Migratory Birds and State Programs

Polly Wheeler, Regional Chief, National Wildlife Refuge System

Ken Berg, Assistant Regional Director, Science Applications and Climate Change


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2800 Cottage Way, W-2606
Sacramento, CA 95825
Tel. 916-414-6464
Fax: 916-414-6486

Fish and Wildlife Offices (FWO)
Arcata FWO
Carlsbad FWO
Klamath Falls FWO
Nevada FWO
Southern Nevada FWO
Red Bluff FWO
Sacramento FWO
Stockton FWO
Ventura FWO
Yreka FWO

National Fish Hatcheries (NFH)
Coleman NFH Complex
Lahonton NFH Complex
Livingston Stone NFH
Marble Bluff Fish Facility
California - Nevada Fish Health Center

National Wildlife Refuges (NWR)
Ash Meadows NWR
Anaho Island NWR
Antioch Dunes NWR
Bear Valley NWR
Bitter Creek NWR
Blue Ridge NWR
Butte Sink WMA
Castle Rock NWR
Clear Lake NWR
Coachella Valley NWR
Colusa NWR )
Delevan NWR
Desert NWR
Ellicott Slough NWR
Fallon NWR
Farallon NWR
Grasslands WMA
Guadalupe-Nipomo Dunes NWR
Hopper Mountain NWRC
Humboldt Bay NWR
Kern NWR
Klamath Basin NWRC
Klamath Marsh NWR
Lower Klamath NWR
Upper Klamath NWR
Merced NWR
Moapa Valley NWR
Modoc NWR
Pahranagat NWR
Pixley NWR
Ruby Lake NWR
Sacramento NWR/NWRC
Salinas River NWR
San Diego Bay NWR
San Diego Bay-Sweetwater Marsh
San Diego NWR
San Diego NWRC
San Francisco Bay NWRC
San Joaquin River NWR
San Luis NWRC
San Pablo Bay NWR
Seal Beach NWR
Sonny Bono Salton Sea NWRC
Stillwater NWR
Stone Lakes NWR
Sutter NWR
Tijuana Slough NWR
Tule Lake NWR