A mat of benthic green and blue-green algae removed from the bottom of the Shenandoah River was collected during a harmful algal bloom. This type of algae was first found in the Columbia River in late ...

PORTLAND, Ore. (KOIN) – Two dog deaths have been connected to a type of harmful algae that’s new to the Columbia River, Clark County Public Health officials warn. The discovery of benthic algal mats ...

CLARK COUNTY, Wash. — George and Elise Pang said their dog, Cedar, was as good as any dog could be. "Cedar was the best dog," said Elise Pang, of their rust-colored Cavapoo. "He was very sweet, loving ...

For decades, public health messaging around toxic algae blooms in Oregon and Washington have painted a clear picture of what to avoid: warm, stagnant lakes and ponds where planktonic algae colonies ...

Benthic algae mats often appear attached to the floor of a waterway or floating in water in clumps. The bacteria were also reportedly seen earlier this week. Earlier this week, Clark County Public ...