Graduate research assistant in the department of civil and environmental engineering Danielle Land filters a water sample in the Seamans Center on Tuesday, March 29, 2022. Land is part of a group that is developing an online tool that identifies which homes might be at risk of water contamination from lead. Photo credit: Daily Iowan/Ayrton Breckenridge
The state has 667,000 known lead service lines and another 820,000 suspected lines
Monday, March 30, 2026