US EPA Region 7HUGH BUTLER RESERVOIR NORTH OF MCCOOK, NE.40.3583333-100.666666709/03/200209/03/200224PCB12Pesticide12Nebraska Dept. of Environmental QualityHUGH BUTLER LAKE40.3583333-100.666666705/01/199005/01/199011Biological11RED WILLOW CREEK AT HAYES CENTER 40.5844444-100.926666706/14/198806/14/198822Biological22