Related Topics and Resources
Other Cedar River / Lake Washington Sites
Cities and Communities
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May 8, 2008
King County hosting May 13 public meeting on Black Diamond sewer improvement project
Lakeside Living Landscape Design
March 2, 2008
External article, Seattle Times
Black Diamond wants to keep natural look
Dec. 28, 2007
External article, Seattle Times
Urban streams in sad shape, report finds
Dec. 27, 2007
External article, Seattle P-I
Fixed city creeks are still foul
Salmon are back, but the water is far from pristine, report says
Dec. 21, 2007
King County added to federal flood relief
Residents and businesses now eligible for aid
Dec. 20, 2007
King County watersheds share $8.3 million in state funds for salmon habitat protection, restoration
Dec. 4, 2007
King County responds to wastewater overflows caused by Monday’s rainstorm
Dec. 4, 2007
King County responds to wastewater overflow at Seattle’s Meadowbrook Park
Nov. 21, 2007
Cyanobacteria Bloom in Lake Washington
Nov. 28, 2007
Public comment period extended two weeks on plan to improve popular Burke-Gilman Trail
Nov. 21, 2007
Mild weather leads to late-season algae blooms in lakes across King County
Oct. 22, 2007
Safety improvements, upgrades proposed for King County’s Burke-Gilman Trail
Oct. 4, 2007
External Aricle, Seattle P-I
Chinook returning to Cedar River big-time
About 300 fish came back this fall, compared with 79 four years ago.
Sept. 14, 2007
Explore career opportunities at King County’s wastewater utility
 Spot the spawners this fall!
Sept. 14, 2007
External link, Seattle
P-I
Tar bubbling up at Gas Works
Aug. 29, 2007
External link, Seattle
P-I
Sewage spilled into Portage Bay is traced to UW
June 22, 2007
External Article, Seattle Times
Fish in Lake Washington among state's most tainted
» Archived news and
announcements
» Related
Organizations
» King County
Watersheds Map
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The Cedar River - Lake Washington Watershed is the land area in
which rainwater drains to Lake Washington and out through the Hiram
Chittenden Locks. The Cedar River - Lake Washington watershed includes
the Cedar
River and its tributaries, May
Creek, Coal
Creek, Mercer Island, Mercer Slough, Kelsey
Creek, Fairweather
Creek, Yarrow
Creek, Juanita
Creek, Forbes
Creek, Lyon
Creek, McAleer
Creek, Thornton
Creek, and Ravenna Creek. The Sammamish River
drainage is also part of the greater watershed, but is published
on a separate page.
Introduction
to Watersheds
Basin
Steward Program
Look up watershed experts to get answers
to questions and help solve watershed related problems.
Community Service Centers
Information about King County's satellite offices including the
Black River
community center in the Cedar River watershed at Renton. Office
address is 900 Oaksdale Ave. S.W., Renton, WA 98055, phone number
206-296-7810. The Covington
community service center is located at 27331 172nd Ave. SE,
# 116, Covington, WA 98042, phone number 206-296-1387. The Northshore
community service center is located at 10808 N.E. 145th St.,
Bothell, WA 98011, phone number 206-296-9840.
Flooding and Hydrology
 Cedar
River Flooding Information
Look up real time gage data, flood stage info and learn what it
means along the Cedar River.
Hydrologic
Gage Data Map
Look up detailed gaging station data for creeks and rivers in the
region.
Surface Water Management and Groundwater
Introduction to Watersheds
Introduction
to Streams
 Lake
Washington Water Quality Data
This page offers an overview of Lake Washington water quality issues
and provides graphs of water quality data from several sampling
locations on the lake, spanning several years. Graphs display temperature,
dissolved oxygen, pH, conductivity, nitrogen, phosphorus, chlorophyll,
bacteria, tranparency, and other data.
Lake
Union Water Quality Information
Swimming
Beach Surveys
Find information about levels of bacterial pollution and relative
human health risks at swimming beaches on Lake Washington, Lake
Sammamish, and other King County lakes. Streams
Monitoring Program
Keeping watch for pollution in greater Lake Washington streams.
Water quality data are available online for:
Cedar
River - Lake Washington Watershed Map
Drainage map displaying streams, lakes, drainage divides, major
roads and cities in the area that drains to Lake Washington and
out the Hiram M. Chittenden Locks, except for the Sammamish
Watershed area. The map is in Adobe Acrobat
format. File size is 445 Kb.
Small
Streams Toxicity/Pesticide Studies
Reports on toxic substances such as pesticides and metals in streams
draining to Lake Washington.
Lake
Washington Existing Conditions Report - 2004
South
King County Groundwater Management Area
Learn about plans to protect the aquifer in the south county area
including the Cedar River watershed localities of Renton, Black
Diamond, Maple Valley, and areas in between.
Endocrine
disrupting chemicals in the environment
Learn about these natural and synthetic chemicals flushed daily
into our waters, and discover what King County is doing to protect
public health and the environment as the science and our understanding
of endocrine disruptors develops.
Final Adopted May Creek Basin Action
Plan
This plan provides regulatory guidance, programs, and projects
aimed to reduce the threat of flooding to citizens in the May Creek
Basin, to make improvements to effectively handle stormflow while
stabilizing stream banks and reducing erosion, to protect and enhance
fish and wildlife habitat and water quality in the basin, and to
take reasonable steps to prevent existing problems from worsening
in the future. May Creek flows into Lake Washington.
 The
Lake Washington Story
The Lake Washington Studies
Learning how to keep the sockeye running through Lake Washington.
Lower Cedar River Basin Plan Summary
An overview of the issues and recommendations in the Basin Plan
Salmon & Trout Recovery
WRIA 8 Salmon Recovery
Lake Washington, Cedar River, and Sammamish
This site provides information about the recovery of threatened
salmon species in the Sammamish, Lake Washington, and Cedar River
drainage area including an overview of the planning process, scientific
information, and meeting records. We welcome your participation.
- Final
WRIA 8 Chinook Salmon Conservation Plan
Cedar River, Sammamish, Lake Washington
- Final
WRIA 8 Near-term Action Agenda for Salmon Habitat Conservation
Interim measures undertaken while multi-jurisdictional partners
worked on thea long-term conservation plan for salmon habitat
in the Lake Washington, Cedar River, and Sammamish watershed.
- Salmon
recovery projects funded for WRIA 8
Over $4.8 million have been awarded to fund projects that preserve
and recover salmon habitat, from the Washington State Salmon Recovery
Funding Board (SRFB) from 1999 through 2004.
- 2001
Salmon Spawning Surveys in Selected Tributaries of the Cedar River,
Washington
Results of 2001 surveys that identified the distribution and
abundance of spawning salmon in four major tributaries of the
Cedar River-- Rock Creek, Peterson, Taylor, and Walsh Lake Creek.
 Known
Freshwater Distribution of Salmon and Trout
Draft maps showing Chinook, Coho, Cutthroat Trout, Kokanee, Sockeye,
and Steelhead Distribution in the greater Lake Washington watershed
(WRIA 8), based on the collective personal knowledge of resource
professionals and data gathered from published and unpublished
databases.
Peterson Lake
Natural Area Site Management Plan
A plan guiding the future management of a 153-acre open space area
on Peterson Lake near Maple Valley, protecting habitat for coho,
sockeye and chinook salmon as well as steelhead and cuttroat trout.
Habitat
Inventory and Assessment of Juanita Creek in 2000
A report on instream and riparian salmon habitat quality in
Juanita Creek in the Kirkland area of north King County.
Fish
and Wildlife Enhancement Project
A capital improvement project to improve fish and wildlife
habitat in Cedar River Wetland 79 near Maple Valley.
Wastewater Treatment
 The
Wastewater Treatment Division is planning major improvements to
the sewage treatment system serving King and Snohomish Counties.
The planned Brightwater project encompasses a new treatment plant,
its associated conveyance pipes, and an outfall to Puget Sound.
The treatment plant may be located in the Cedar River- Lake Washington
watershed.
Juanita
Bay Pump Station Replacement Project
Details about a project to to increase wastewater handling capacity
and ensure safe and reliable operation.
Recreation and Appreciation
Lake
Shorelines, Life on the Edge Video Series 
(Windows Media format)
Watch a video that describes lakes in King County and how residents
value them, with ideas that shoreline landowners may like to apply
to help preserve the quality of lakes and lake ecosystems.
Cedar
River Public Boating and Fishing Access
Find parks, ecological natural areas and boat ramps
to access the river for swimming, fishing and boating. Includes
lands managed by the City of Renton, King County and City of Seattle.
King County Natural Areas:
Look up individual properties protected in King County's open
space system for their ecological and working resource values.
The natural lands site provides addresses, pictures, location
maps and rules for public use:
Cedar
River Trail
Cedar River Trail Video - Positively Parks
The Cedar River Trail follows an old railroad right-of-way from
downtown Renton to King County's Landsburg Park, alongside the scenic
Cedar River. A branch of the trail connects with King County's Lake
Wilderness Park and continues to Four Corners.
BNSF Eastside
Rail Corridor
Describes a King County effort to save a 47 mile rail corridor to
turn into a trail for the public.
 Boating
on the Cedar River: review our flooding and habitat projects,
and look at the boaters page for safety tips, boating signals,
and other useful info.
Miscellaneous
 Historic
and Recent Aerial Photographs
Aerial photos from the 1930's, 1970's and 1990's illustrating growth
of Bellevue in the East Lake Washington basin and Fairwood in the
Cedar River basin, among other areas in King County.
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