Ohio Fish Kill and Farm Pollution

Heat map showing dead zones in Lake Erie, from the Old Women Creek Technical Bulletin #3

Missoulian: Ohio hands out fines over fish kills caused by farm manure

Lake Erie’s Dead Zone
“In the late summer, a hypoxic zone, an area with depleted oxygen, develops at the bottom of the central basin of Lake Erie. Massive algal blooms cause opaque green water to cover the surface of western Lake Erie every summer. These algal blooms are fed by agricultural and urban run-off.”