Via Flickr Maxwell Bernstein | August 14, 2020 The Iowa Department of Natural Resources (DNR) is investigating a contamination of 800 gallons of spoiled milk that entered into the Fourmile Creek in Ankeny, IA at 7 a.m. on Wednesday, according to KCCI Des Moines. The spill originated from a Hy-Vee employee who disposed of spoiled milk by…