Camas-Washougal logo tag

Washougal

July 16, 2026
This collage shows a number of ways that blue-green algae can appear on the surface of a lake or other body of water. The only way to know whether a bloom is toxic or not is to have the water tested. (Photos courtesy Washington Department of Ecology)

Blue-green algae threaten local lakes

You have arrived at your favorite summer lake, armed with family, pets, fishing gear, boat, and more, only to find a nasty, green scum along the surface of the lake. Blue-green algae have invaded your favorite water.