Five beaches in King County have high levels of bacteria, according to the local health department. One has toxic algae.

Ohio water researchers see some progress in reducing nutrient loading to the lake, but much work remains to curb annual scums ...

A new study led by Harvard biologists describes how some sea slugs consume algae and incorporate their photosynthetic ...

A number of Minnesota cities have reported blue-green algae blooms this summer, causing the temporary closing of some beaches ...

Water quality scientists predict the harmful algae bloom on western Lake Erie this year will be relatively mild and less ...

Woodcliff Lake now has four new floating wetland islands to eliminate algae in one of Veolia North America's reservoirs along ...

The blooms have become an annual problem in the Great Lakes. DNA studies show what’s growing there and why it’s dangerous.

The concerning sample was taken earlier this week from Racy Point in St. Johns County, west of Elkton and north of Hastings.

Health officials in Utah are warning residents not to swim in or drink the water at Anderson Cove in the Pineview Reservoir ...

“If you suspect your dog has come into contact with blue-green algae or ingested contaminated water, contact your vet ...

LANSING, Mich. (WILX) - The state of Michigan is developing a new strategy to help fight harmful algae blooms in Lake Erie.