Oregon public health officials say years of drought followed by heavy rains this spring created a "perfect storm" for harmful algae blooms to pop up on rivers, lakes and reservoirs across the state this summer.
Andrew Theen | The Oregonian/OregonLive, Portland Oregonian: Local
Thu, 07/20/2017 - 1:32pm
Oregon public health officials say years of drought followed by heavy rains this spring created a "perfect storm" for harmful algae blooms to pop up on rivers, lakes and reservoirs across the state this summer.