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 ...

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 ...

Algae is a ubiquitous feature in waterways throughout the globe, including western North America. Slippery, green epilithic algae is a familiar sight on river rocks. Toxic blue-green ...

The algae bloom forming around Ross Island Lagoon in the Willamette River on Monday morning. (Photo courtesy of Eagle Eye Droneography) The thick, green layer of toxin-producing algae currently ...

STEVENS POINT, Wis. (WSAW) -The Wisconsin DNR has confirmed the presence of blue-green algae blooms along sections of the Wisconsin River in Stevens Point. The city of Stevens Point and Portage County ...

Clark County Public Health is warning residents of new dangers related to algae growths in local waterways. Benthic (that is, at the bottom of a body of water) algal mats found along the Columbia ...

KINGSTON, N.Y. — Isolated regional sightings of a large, toxic and widespread harmful algae bloom have sparked concern in Hudson River communities and the closure of Kingston Point Beach, Riverkeeper ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (FOX 5/KUSI) — Southern California has been ...

Blooms of toxin-producing algae exist in some pristine river systems, it’s a discovery from the Flathead Lake Biological Station that could have implications for Montana rivers and streams. In a ...

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 ...