Puget Sound Regional Council Puget Sound Regional Council The Puget Sound Regional Council (PSRC) is a metropolitan planning organization that develops policies and makes decisions about transportation planning, economic development, and growth management throughout the four-county Seattle metropolitan area surrounding Puget Sound. It is a forum for cities, towns, counties, transit agencies, port districts, Native American tribes, and state agencies to address regional issues. The Puget Sound Regional Council serves the central Puget Sound region of Washington state. The region is made up of King County, Kitsap County, Pierce County, and Snohomish County, which collectively encompass and comprise 73 cities and towns. The five
Lake Washington is now the primary source of water for Lake Washington. In addition, there are numerous small creeks and rivers which feed the lake, including: Before construction of the Lake Washington Ship Canal in 1916, Lake Washington's outlet was the Black River, which joined the Duwamish River and emptied into Elliott Bay. When the canal was opened the level of the lake dropped nearly nine feet (2.7 m). The canal to the Puget Sound became the lake's sole outlet, causing the Black River to dry up and disappear. Concrete floating bridges are employed to span the lake because Lake Washington's depth