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Lake Sammamish information
Lake Sammamish story
Overview describing Lake Sammamish, its problems with phosphorus pollution and factors affecting water quality in the lake.
Lake Sammamish kokanee
Describes the dwindling population of genetically distinct kokanee in Lake Sammamish and actions that King County and other agencies are doing to protect and restore them.
Lake Sammamish Urban Wildlife Refuge Partnership
Extensive effort to support conservation of fish and wildlife in the Sammamish Basin, and contribute to the quality of life for current residents and future generations.
Predicting Climate Change Effects on Kokanee Habitat Suitability in Lake Sammamish
Report on the application of 2-D and 3-D temperature models of Lake Sammamish to evaluate future climate change impacts on kokanee habitat.
Kokanee and chinook restoration projects in the Sammamish Watershed
List of projects scoped for fast-action and to benefit kokanee and chinook salmon populations in Lake Sammamish tributaries (2011).
Lake Sammamish monitoring
Overview of the lake including water quality graphs and data, and general metrics and statistics characterizing Lake Sammamish.
Swimming beach data - water temperature, bacteria and algal toxin measurements
- Idylwood Beach (Lake Sammamish)
- Lake Sammamish Beach
Tributary stream water quality data
- Ebright Creek
- Eden Creek
- Idylwood Creek
- Issaquah Creek
- Laughing Jacobs Creek
- Lewis Creek
- Tibbetts Creek
Greening your Shoreline
A tool for lakeshore property owners on Lake Washington and Lake Sammamish to improve shorelines for people and salmon.
Map of Lake Sammamish drainage area (2.1 Mb pdf)
Depicts the area that drains into Lake Sammamish; displays local streams and stream names along with parks, trails and natural areas. Updated May 2014.
East Lake Sammamish Trail
Non-motorized transportation corridor and multi-use recreational trail along 11 miles of the former Burlington Northern Santa Fe railroad corridor on the east side of Lake Sammamish.