Article Photos: Tribal water rights claims complicate Oklahoma's water planning efforts 15/24

George Decher, the state's 2010 water lab technician of the year, works with computer equipment at the the Edmond water treatment plant's control center. Building and expanding water treatment and distribution systems are expected to be a major cost to Oklahomans over the next five decades. <strong>David McDaniel - THE OKLAHOMAN</strong>