Beaver Lake Community Club (External link) Beaver Lake Management Plan Update (1.80MB, PDF) Beaver Lake Monitor (424KB, PDF) Beaver Lake Statistics City of Sammamish (External link)

Beaver Lake Beaver Lake (79 acres) is located Sammamish, Washington. The lake consists of three interconnected bodies of water known as Beaver Lake 1, 2, and 3. Current lake water quality is good. The Beaver Lake watershed (1,100 acres) has many streams, wetlands, and lakes which remain intact, including three number-1-rated, unique and outstanding wetlands. 1993 Management Plan In 1993, the Beaver Lake Management Plan was developed as a pollution prevention plan for the lake. At the time, the plan represented a comprehensive approach for mitigating surface water impacts of future land development on lake water quality since over 660 acres of the watershed remained forested. The plan's recommendations focus primarily on: (1) modification of existing King County stormwater treatment policy to provided more protective requirements; (2) long-term monitoring and watershed inventories; and (3) community education and involvement programs. Additional recommendations for updating the management plan and providing contingency actions were also included. In 1994, the Beaver Lake Management Plan was adopted by the Metropolitan King County Council. In 1995, King County completed modification of its stormwater treatment policy for the watershed and established an 80 percent total phosphorus removal goal for new development. Lake Management District During 1995, the Beaver Lake Management District was formed to implement several recommendations from the management plan. The District's work program included lake, stream, and wetland monitoring and community involvement and education. The monitoring program was established to evaluate the effectiveness of stormwater treatment requirements. A citizen advisory board met monthly to oversee the work program beginning in September, 1996 and continued through December, 2000 when the districts work program was completed. The district's work program concluded with an update to the Beaver Lake management plan which was published in December 2000. Plan Update In this plan update, Beaver Lake water quality from 1996-2000 is documented. Base on the data collected, inflow and lake water quality continues to be good. However, additional land development is still slated for over 200 acres of the 1100 acre watershed which could threaten existing water quality. To continue protecting lake water quality from degradation, the plan recommended five areas for action. These areas included: (1) wetland and resource land preservation; (2) guidelines for future land development; (3) ongoing stormwater management; (4) local shoreline and watershed actions, and (5) ongoing monitoring. For more information about the Beaver Lake Management Plan Update, contact Sally Abella at (206) 296-8382. Keeping the Community Informed The Beaver Lake Monitor newsletter is produced and distributed by the King County Lake Stewardship Program staff biannually to keep the community informed. Newsletter content is suggested and supervised by the Lake Management District Advisory Board. To view the current edition (Vol. 4, Issue #1, Summer 2003) of The Beaver Lake Monitor, click here. The current edition is available in Adobe Acrobat format. For help using Acrobat files, please visit our Acrobat help page. If you would like to be added to the mailing list, please contact Sally Abella at (206) 296-8382 or email sally.abella@kingcounty.gov.

Back to the Lake Tour Page Please direct questions and/or comments about Beaver Lake to: Sally Abella King County Water and Land Resources Division 201 S. Jackson St., Suite 600 Seattle, WA 98104 (206) 296-8382   Updated: November 14, 2001

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