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 ...

Algae is a ubiquitous feature in waterways throughout the globe, including western North America. Slippery, green epilithic ...

Toxic algae is back in the Columbia River on the Richland shoreline. The Benton Franklin Health District said Friday afternoon that test results for water at the Howard Amon swimming beach showed ...

Health officials are testing Tri-Cities, Washington drinking water twice a week for toxic algae since a half-dozen dogs were sickened or died recently after being on the Columbia River. And the ...

With Arkansas' July heat wave, algae has been blooming on the Buffalo National River. Lucas Driver of Little Rock, an ecologist with the U.S. Geological Survey's Lower Mississippi Gulf Water Science ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Neon-green algae has appeared along pockets of the Gallatin River for at least the fourth summer ...

The bill would have provided $1 million in state funds to design a channel that could restore the Willamette River’s flow and stop the toxic algae blooms from forming. The thick, green layer of ...

Boston health officials warned people and their pets to stay away from the Muddy River in Boston's Fenway neighborhood due to a toxic algae bloom in the water. They should avoid direct contact with ...

SONOMA COUNTY, Calif. (KGO) -- Warnings are posted on Russian River beaches about toxic algae growing along the river banks that's harmful to children and pets. Health officials are telling people to ...