The Mid-Pacific Region, one of five Reclamation regions, covers the northern two-thirds of California, most of western Nevada and part of southern Oregon. The region fulfills water obligations for agriculture, power generation, water conservation, water recycling and reuse while protecting of natural and federally protected cultural resources. 

The region's headquarters is located in Sacramento, Calif., with supporting area offices are located in Shasta Lake, Folsom, Fresno, CA; Carson City, NV; and Klamath Falls, OR. Supporting offices include the Central Valley Operations Office in Sacramento and the MP Construction Office in Willows, CA.

The Mid-Pacific Region is best known for the Central Valley Project (CVP) built to protect from flood waters and irrigate the semi-arid acreage of the Central Valley, the CVP is one of the largest water storage and transport systems in the world