FILE – In this Jan. 21, 2016 file photo, water from the Flint River flows through the Hamilton Dam near downtown Flint, Mich. The state of Michigan restricted Flint from switching water sources last April unless it got approval from Gov. Rick Snyder’s administration under the terms of a $7 million loan needed to help transition the city from state management, according to a document released Wednesday, March 2, 2016. (AP Photo/Paul Sancya, File)