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Casad Dam
The Casad Dam is in Kitsap county, in Washington State. The dam supplies the water needs of the City of Bremerton, Washington,various adjunct vincinities and the Puget Sound Naval Base.

CONTENTS 1. Source 2.Brief History

SOURCE The water source for the dam is the Union river, which runs through Kitsap and Mason counties and empties into the Hood Canal(1).The dam's location is about 3700 feet above the McKenna Falls in the Union river Canyon. It's construction involved the excavation of more than 36,000 yards of earth-mostly rock.It is 195 feet high from its base, some sixty feet below the river bed at the bottom of the canyon.Its crest is 640 feet above sea level, upon which was built an eleven foot roadway over the more than 500 feet of its legnth.More than 47,000 cubic yards of concrete were used in its building and it crested a lake 135 feet deep at the dam and extending between Gold Mountain on one side and the Blue Hills on the other for more than 1 and 1/4 miles. More than 1 billion 400 million gallons of water is required to fill it.(2)

BRIEF HISTORY

In 1902 the Pacific Coast Pipe Company of Seattle (PCPS) purchased the water flow rights for the Bremerton and Port Orchard areas. This included the city of Charleston which is now a part of incorporated Bremerton. PCPS constructed the initial dam, now known as Casad #3, and the initial delivery system, made of wooden pipe and was designed to supply water for domestic use and fire protection. In 1907 the Navy Yard decided it required more water than it was pumping from wells and applied for use for its steam and domestic purposes. In 1917 the ever-expanding city of Bremerton purchased the system from PCPS and the next year began expanding the system and replacing the wooden pipes with cast iron pipes.By 1923 more reliable data on water flow was needed. To supply this data weirs were built on the streams that supported the system and meters were installed in the water mains. In addition Bremerton and the Navy Yard's engineers began a joint effort to determine water supply amounts from the Union and Skokomish rivers. With a war developing, in 1939, the city began purchasing more of the watershed, and W.P.A. workers were brought in to build a small concrete dam that diverted water into the Twin Lakes, which is still part of the system. As the community expanded during the 1940's due to the great increase in Navy Yard workers, auxillary pumps were added to the system, to force additional water flow. By 1954 The need for a larger supply was determined and the project of building the Union River Dam began. The Washington Utilities Construction Company of Tacoma began clearing the land in 1955, followed by the General Construction Company of Seattle begining construction the same year. The dam was completed in the fall of 1957, an renamed the Casad Dam after C.C. Casad, Bremertons long time city engineer, who passed away mere months after its completion.