All about water quality

Last week we did water quality testing at the Duwamish Waterway Park.  What do these tests mean?

pH tests
metals
bacteria
temperature

The Oso Landslide

On Saturday, March 22, the town of Oso, Washington-- 60 miles north of us-- suffered a terrible landslide.

What do we know about land and water that can help us understand what happened?

• slideshow
• infographic
• what caused the landslide?