Long, squiggly bands of green coated parts of the Willamette River near Portland on Monday, sending water quality regulators scrambling for answers. The patches, including near the Tilikum Crossing and Hawthorne bridges, appeared to be moving downriver throughout the day. The Oregon Department of Environmental Quality, the state’s authority on water quality, said it received reports of “green scum” in the river in Southeast Portland’s Sellwood neighborhood and several other areas. The verdict: It’s not the dreaded algal blooms and their associated cyanobacteria, which can cause symptoms similar to food poisoning, dizziness, numbness and shortness of breath and are especially dangerous to children and dogs. Read more at the link in our bio. #algaebloom #slime #willametteriver #river #portland #theoregonian