Located west of
Portland, Oregon, the Rock Creek Watershed drains about 65 square
miles of land. Rock Creek flows into the Tualatin River at Rood
Bridge Park in Hillsboro, then joins the Willamette River.
200,000 people live in our watershed. Major businesses in
our watershed include Columbia Sportswear, Norm Thompson,
ESI, Intel, Nike, and Tektronix.