As water levels in Lake Powell and Lake Mead drop, the potential for restrictions on water use in 2019 rise, but not for all Colorado River water users. Under the 2007 drought plan guidelines Arizona adopted, Central Arizona Project will take the full hit for whatever that reduction is, said Mark Clark, Mohave Valley Irrigation and Drainage District manager. CAP’s hit, Clark said, is about 349,000 acre-feet of water. “The local folk here along the river really won’t see any change due to a shortage declaration at a tier one level,” Clark explained.