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Salmon Information and Reports
Lake Washington/Cedar/Sammamish Watershed
Water Resource Inventory Area (WRIA) 8

What is a Watershed?Watershed Diagram
Watersheds are also called Water Resource Inventory Areas (WRIAs).

A watershed is a series of interconnected creeks, rivers, lakes, and wetlands that all share a common drainage. It includes the water above and below the ground, as well as saltwater areas like Puget Sound. The quantity and quality of the water is affected by the rain and snow that feed it, forest cover, human controlled barriers, and runoff from our roads, roofs, lawns, and parking lots.

It is topography, not jurisdictional borders, that creates the boundaries of a watershed. A small creek may flow through several cities, counties, or even a different state on its way to its final drainage point.

How Does Our Watershed Support People and Salmon?
The Lake Washington/Cedar/Sammamish Watershed:
  1. Includes 470 rivers and streams
  2. Provides drinking water, food and recreation
  3. Supports a diversity of salmon, including Chinook (also known as king salmon), bull trout, coho, sockeye kokanee, and steelhead
  4. Is the most densely populated watershed in the state of Washington (More than twice the population of any other WRIA

Spawning Salmon
Links to more information about salmon and their life cycle are available on our Links Page

Take Action to Help Salmon in Your Watershed! Click here to learn about actions you can take at home, or how you can get involved in the WRIA 8 salmon habitat conservation process.

View the Lake Washington/Cedar/Sammamish Watershed (WRIA 8) Chinook Salmon Conservation Plan - Published July 2005. Through a collaborative effort of citizens, government, businesses, scientists, and others, the 27 partnering jurisdictions in the Lake Washington/Cedar/Sammamish Watershed have developed a plan to restore and protect the habitat that salmon need to survive. This plan recommends land use actions, restoration, and protection projects, and opportunities for public involvement and education.

Go to WRIA 8 Final Chinook Conservation Plan

View the Lake Washington/Cedar/Sammamish Watershed (WRIA 8) Near-Term Action Agenda for Salmon Habitat Conservation - Published August 2002. Interim measures were developed while the partners worked on a long-term conservation plan for salmon habitat in the watershed. Included were potential projects, educational and volunteer activities, regulatory guidance, and background on the WRIA 8 process and participants.

Go to WRIA 8 Near Term Action Agenda

Technical Reports on Salmon in WRIA 8
Go to Maps of Known Freshwater Distribution of Salmon and TroutMaps - Known Freshwater Distribution of Salmon and Trout
Maps showing the known distribution of chinook, coho, and sockeye salmon, kokanee, steelhead and cutthroat trout in the Lake Washington/ Cedar/ Sammamish watershed (WRIA 8), based on the collective personal knowledge of resource professionals and information gathered from published and unpublished databases.

Salmon and Steelhead Habitat Limiting Factors Report
A summary of the report from the Washington Conservation Commission and the WRIA 8 Technical Committee that identifies habitat limiting factors in the WRIA, provides a summary of what is known about current and past salm
onid species and habitat, and identifies associated data gaps that will be useful in building the WRIA 8 Salmon Conservation Plan. Adobe Acrobat required

State of the Nearshore Report
A comprehensive summary and an assessment of the state of our current knowledge of ecological processes and conditions, natural resources, and ecosystem health in nearshore portions of Water Resource Inventory Areas (WRIAs) 8 and 9
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Updated: May 7, 2008



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