The bloom carrying blue-green cyanobacteria — a perennial summer problem — can cause health problems if ingested and can be ...

This summer, Portlanders have made their way down to the shores of the Willamette River in droves, keen to get the most out ...

Authorities say the unidentified man showed no obvious signs of trauma and may have been in the river for some time.

The thick, green layer of toxin-producing algae currently growing on the Willamette River south of downtown Portland is not ...

If exposed to cyanotoxins, the OHA warns you could feel a range of symptoms from nausea and stomach cramping to dizziness or ...

Authorities are investigating after a man’s body was pulled from the Willamette River in Clackamas County on Wednesday night.

A body was recovered from the Willamette River near West Linn on Wednesday evening, according to the Clackamas County Sheriff’s Office.

Health officials advised people not to swim in the area and to avoid high-speed water activities like water skiing or power ...

The river curves past multiple islands, Ankeny National Wildlife Refuge and seven riverside camping spots. The best camping spot, about 2.5 miles into the trip, is American Bottom.

Courtesy of Willamette Riverkeeper An Oregon environmental group has petitioned the state Department of Environmental Quality to regulate trash and debris on the Willamette River and its tributaries.

The expansion comes after the Oregon Department of Environmental Quality staff took photos that OHA staff subsequently ...

A body was discovered in the Willamette River near West Linn on Wednesday evening, according to the Clackamas County ...