Public Utility District No. 1 of Clark County, doing business as Clark Public Utilities and commonly referred to as Clark PUD, is a public utility district in Clark County, Washington. Clark PUD provides electric service to all of Clark County except for the Georgia-Pacific in the City of Camas, and its water service area covers the majority of the county, except the Cities of Battle Ground, Camas, Ridgefield, Washougal, and Vancouver, which have their own municipal water systems.