This image made from video provided by KCRG shows Iowa City police officers working the scene of a downtown shooting near the University of Iowa campus on Sunday, April 19, 2026. (KCRG via AP)

The image above shows Lake Powell's surface elevation over the years. (AP Digital Embed)

This image made from video provided by KCRG shows Iowa City police officers working the scene of a downtown shooting near the University of Iowa campus on Sunday, April 19, 2026. (KCRG via AP)

This image made from video provided by KCRG shows Iowa City police officers working the scene of a downtown shooting near the University of Iowa campus on Sunday, April 19, 2026. (KCRG via AP)

FILE - Bathtub rings show how low Lake Powell levels have declines, June 8, 2022, in Page, Ariz. (AP Photo/Brittany Peterson, File)

FILE - Nick Gann fishes in Firehole Canyon, Friday, Aug. 5, 2022, on the far northeastern shore of Flaming Gorge Reservoir, in Wyoming. (AP Photo/Rick Bowmer, File)

FILE - A sign cautioning fluctuating water levels is displayed at Firehole Canyon, on the far northeastern shore of Flaming Gorge Reservoir, Friday, Aug. 5, 2022, in Wyoming. (AP Photo/Rick Bowmer, File)

FILE - Low water levels at Wahweap Bay at Lake Powell, along the Upper Colorado River Basin are shown, June 9, 2021, at the Utah and Arizona border at Wahweap, Ariz. (AP Photo/Ross D. Franklin, File)