Skip to main content
King County logo

More than 25,000 pounds of unwanted medicines were disposed of through the Pharmaceuticals Take Back Project in the last two years (2010).

Website mini-survey

Yes | No | Other

Encyclopedia of Puget Sound (external link)
The region's authoritative compilation of Puget Sound geography, ecosystems, animal and plant species and restoration strategies provided by a partnership with University of Washington's Puget Sound Institute, the Environmental Protection Agency and the Puget Sound Partnership.

Puget Sound marine documents
King County Science Section

Marine life

Puget Sound marine life photos
View a photo collection of marine plants and animals including pictures of Puget Sound fish, invertebrates, and algae.

Sea star identification key
Identify common Intertidal "starfish" of Puget Sound.

Environmental indicators for aquatic biota - 2014
Learn about the status of King County's Chinook salmon populations, key influencing factors, King County actions, and how you can help.

Juvenile salmonid composition, timing, distribution, and diet in marine nearshore waters of Central Puget Sound in 2001-2002
Scientific report essential for protecting Puget Sound salmon from extinction and to recover depleted salmon stocks.

Marine shoreline inventory report
Inventory of selected shoreline habitat features that support juvenile salmonids, presented in part using high-resolution aerial photos with overlays that classify habitat types.

Puget Sound restoration

Puget Sound Partnership (external link)
Public/private group working to develop an aggressive 15-year plan to solve Puget Sound's most vexing problems.

King County Sound Tips 10 Steps to Help Save the Sound
King County and Puget Sound Tips
Learn what you can do to protect Puget Sound. This brochure is one of King County's contributions as a member of the Puget Sound Partnership, which is beginning work on a 15-year plan to protect and restore the Sound. King County works to safeguard Puget Sound, protect human health and enrich the region's quality of life.

State of the nearshore report
It's no surprise that human impacts have caused big trouble for the marine shoreline environment in King County, but a new first-of-its-kind report released September 5, 2001 is helping to crystallize the extent of the problem.

Restoration projects

Dockton Shoreline Restoration Project
Project is planned for summer 2012, restoring the shoreline and a salt marsh at Dockton, WA on Vashon/Maury Island.  Includes Determination of Non-Significance under the State Environmental Policy Act (SEPA).

Maury Island Natural Area Fill Removal Project
Project to remove a large concrete pier from the beach to improve beach spawning habitat for fish.

Cove Creek Habitat Restoration Project
Restoration of a creek on Vashon/Maury Island

Sediment remediation projects
Cleanup of contaminated sites in the Duwamish Waterway and Elliott Bay to enhance and restore habitat for aquatic life.

Water pollution

Puget Sound water quality sampling station data
Map of offshore sampling stations providing authoritative water quality conditions in Central Puget Sound waters of King County.

Environmental indicators: Puget Sound marine water quality
Learn about the status of marine water quality at various locations in King County, factors that influence water quality and how you can help reduce your pollution.

Puget Sound Rain Gardens (external link)Rain gardens filter pollution from stormwater and support unusual native plants, and WSU has set a goal for register 12,000 rain gardens in the Puget Sound basin:

History of King County's regional wastewater treatment utility 
Read how our region worked to keep our lakes and Puget Sound clean and healthy, including the early days of sewage treatment and disposal in King County, the birth of Metro and development of regional facilities to process the waste produced by our metropolitan area.

Combined Sewer Overflow Control Program
During heavy rainstorms, our combined sewers may exceed their capacity and the mixture of untreated sewage and stormwater is allowed to overflow into Puget Sound and other waters to keep it from backing up into homes and businesses. Learn how King County is working to improve our system to control overflows.

Environmental Laboratory
Collects samples from marine waters, lakes, rivers, biosolids application sites, industries and wastewater treatment plants, and analyzes samples in one of several labs including trace metals, organics, conventionals, microbiology and aquatic toxicology labs.

Metropolitan Water Pollution Abatement Advisory Committee (MWPAAC)
Created by state law, the MWPAAC advises the King County Executive and Council on reducing water pollution.

Climate change

2015 King County Strategic Climate Action Plan
How King County seeks to reduce greenhouse gas emissions, adapt to projected climate change impacts, and embed mitigation and adaptation into county policy decisions. The plan incorporates issues, goals and actions related to coastal areas.

Marine shorelines

Shoreline Master Program
Learn about King County's program to protect shorelines on Puget Sound, large lakes and major rivers.

Saltwater shorelines, Life on the Edge video series
Watch a video that describes what affects Puget Sound beaches and their habitat, with ideas that beachgoers and shoreline property owners may like to apply to help preserve the quality of saltwater beaches and their ecosystems.

Beyond the beach : Learn about the nearshore environment and what you can do to help protect it from damage.

Learn about the Puget Sound nearshore environment from this illustrated presentation:

Learn about the Puget Sound nearshore environment


Central Puget Sound Watershed
Info in King County about Puget Sound and the creek drainages that drain directly to it.

News and announcements

» Archived Puget Sound marine news and announcements