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

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

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

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

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

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

The Oregon Health Authority is expanding its advisory for a harmful algae bloom on the Willamette River. Read online: <a href=" ...

The Oregon Health Authority (OHA) is expanding its harmful algae bloom recreational advisory for the Willamette River to include Ross Island Bridge downriver to ...

There is a health advisory in place for Ross Island Lagoon, as well as for the Willamette River south of the lagoon and ...

A recreational use advisory was expanded for the Willamette River from the Ross Island Bridge downriver to the Columbia River ...

After a toxic algae warning for the Willamette River was expanded from the Ross Island Bridge to the Columbia River, FOX 12 spoke with an OSU water resource researcher on Thursday about the causes.

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