A "report card" on the health of the Puget Sound ecosystem, water, and various individual animal communities, I think as divers you should give this a look over. Here is the link to the PDF.
http://www.psat.wa.gov/Publications/state_sound07/sos.htm
Edit: Be sure to check out the graphic of the number of oil spills since 1998!
http://www.psat.wa.gov/Publications/state_sound07/sos.htm
Edit: Be sure to check out the graphic of the number of oil spills since 1998!