Are some streams in Puget Sound getting cleaner?


Scientists are reporting some potentially good news about the health of Puget Sound’s streams. Ten years of data from 126 stream sites within King County have shown a slight improvement in water quality, according to the county’s Water and Land Resource Division. The study examined the variety of insects and other invertebrates that were collected from stream sediments. Twenty-one percent of the streams showed an increase in sensitive stream bugs in 2019, earning them a higher score on what is known as the Benthic Index of Biotic Integrity, or B-IBI […]