The Warrick Power Plant operates Tuesday, April 8, 2025, in Newburgh, Ind. (AP Photo/Joshua A. Bickel)
Abbie Brockman, right, goes through the results of a water quality test with colleague Karen LaMar, left, Thursday, April 10, 2025, in Leopold, Ind. (AP Photo/Joshua A. Bickel)
Mary Hess displays an air monitor outside her home Tuesday, April 8, 2025, in Dale, Ind. (AP Photo/Joshua A. Bickel)
Mary Hess displays air quality data on the IQAir app on her phone Tuesday, April 8, 2025, in Dale, Ind. (AP Photo/Joshua A. Bickel)
The Rockport Power Plant operates near a group of mobile homes Friday, April 11, 2025, in Rockport, Ind. (AP Photo/Joshua A. Bickel)
A bulldozer moves coal Thursday, April 10, 2025, in Princeton, Ind. (AP Photo/Joshua A. Bickel)
Kirt Ethridge, left, puts socks on his daughter, Naomi, 2, center, as his other daughter, Eliza, 5, gets a hat before a walk Thursday, April 10, 2025, in Evansville, Ind. (AP Photo/Joshua A. Bickel)
A church, bottom right, stands in downtown Evansville, Ind., Friday, April 11, 2025. (AP Photo/Joshua A. Bickel)
Julian Blazier relaxes in his bedroom Tuesday, April 8, 2025, in Bloomfield, Ind. (AP Photo/Joshua A. Bickel)
Jessica Blazier, center, prepares an infusion for her son, Julian, right, Wednesday, April 9, 2025, in Bloomfield, Ind. (AP Photo/Joshua A. Bickel)