algal bloom

A harmful algal bloom is once again showing up on the Snake River. This is the fourth year in a row that Whitman County Public Health leaders have warned about algal blooms in the river.

A large algal bloom on the Snake River officially has died off. The toxic algae stretched about 30 miles along the river this past fall.(Runtime…

From the air above Lower Granite Dam on the Snake River, a green sheen spreads out over the water.“There was a pretty extensive algae bloom just above…