By Elise Leasure, Sabine Martin and Katherine Mauss/IowaWatch and Cedar Falls Tiger Hi-Line Across the street and a few doors down from Meghan and Sean O’Neal’s Neola Street home in Cedar Falls, you can see a small, nondescript one-story brick…
Black Hawk County, Iowa, April 25, 2017. Water runs off of tiled farm fields, carrying nitrates and other fertilizers into a stream. The excess fertilizers feed algae blooms in the stream. The stream empties into Black Hawk Creek, which goes…