"Pollution Poses Problem for Oysters, Puget Sound"
"For over 75 years, Blau Oyster Co. has relied on Washington state's cool clean waters to grow the plump oysters that are as prized in the Northwest as salmon and orcas. But too much pollution from animal and human waste has been washing into Samish Bay in north Puget Sound, prohibiting shellfish harvests 38 days already this year."