Vashon - Maury Island environment
The Vashon-Maury Island page provides environmental information and services from King County and its partners related specifically to the island.
For more information about Vashon-Maury Island or to get involved in Water and Land activities, please call Greg Rabourn, Vashon/Maury Island Watershed Steward, at 206-477-4805. Related information can be found for the Central Puget Sound Watershed, of which Vashon-Maury Island is a part.
Basin Steward Program
Find out what Water and Land Resources' Basin Steward Program does and how to contact Basin Stewards.
Proposed Sea Level Rise Risk Area
King County’s Comprehensive Plan update proposes policy and regulatory changes to prepare for sea level rise affecting bluff setbacks, wellhead protection, home elevation and bulkheads.
Dockton Bulkhead Removal Project
Learn about King County's work to remove a bulkhead to restore the Quartermaster Harbor shoreline at Dockton, on Vashon-Maury Island.
Cove Creek Restoration Project
King County is replacing a culvert with a 12-foot-wide box culvert to improve fish access to Cove Creek and associated wetlands, and is placing gravel on the beach to replicate a more natural shoreline.
Maury Island Natural Area Fill Removal Project
Project to remove fill and to restore habitat at the Maury Island Natural Area.
Maury Island Aquatic Reserve Armoring Removal
Project to acquire marine shoreline and remove shoreline armoring to improve nearshore habitat quality and to create recreational access and amenities.
WRIA 9 Salmon Recovery (includes Vashon-Maury Island)
For the purposes of salmon conservation planning, Vashon-Maury Island was transferred from WRIA 15 (Kitsap County) to WRIA 9, the Green/Duwamish and Central Puget Sound drainage area. The salmon recovery site provides status and actions about the recovery of threatened salmon species in WRIA 9, including an overview of the planning process, scientific information, and meeting records. We welcome your participation.
- Watershed Ecosystem Forum for Salmon Habitat Recovery
- Salmon Habitat Plan
- Implementation Progress Report
- Plans, Studies and Maps
- Puget Sound Nearshore Subwatershed Local Activities and Partners in Watershed Health and Salmon Habitat Recovery
Surface water, groundwater, and drinking water
Protecting Our Liquid Assets - informational mailer describing Vashon-Maury Island's valuable water resources.
Vashon-Maury Island Watershed Plan
Plan assessing the water resources on Vashon and Maury Islands and to help resolve surface water issues.
Ongoing water quality sampling in Vashon-Maury Island streams. Water quality data are available online for:
- Christensen Creek
- Fisher Creek
- Gorsuch Creek
- Judd Creek
- Mileta Creek
- Shinglemill Creek
- Tahlequah Creek
Vashon-Maury Island Rapid Rural Reconnaissance - Draft Report
Inventory of the island's surface water needs. This report lists priority drainage and water quality projects, acquisitions, studies and programs that would receive funding through surface water management fees.
King County's surface water management fee for unincorporated King County & Vashon Island
Provides a history of King County's surface water management program, its services and fees, and contacts for more information.
Vashon - Maury Island Water Resources Evaluation
Read about this long-term project to understand what affects the quality and quantity of the island's groundwater, and update it's drinking water budget based on new knowledge.
Vashon-Maury Island Groundwater Management Area
Read the groundwater sampling and analysis plan, an interactive map, and learn about the area's groundwater protection committee.
Rain barrel information and sources for the Pacific Northwest
How to design a rain barrel or cistern system and where to buy them.
Vashon wastewater treatment plant
Learn about this treatment plant including details about a project to upgrade it. This page provides notices of public meetings, news releases, contact information and a map showing where the plant is located.
Beaches, nearshore and marine environment
Vashon-Maury Island nearby tide graphs, courtesy of NOAA
Marine monitoring data
- Conductivity, temperature, depth (CTD) sampling sites map
- Offshore water column sampling sites map
- Beach water sampling sites map
- Subtidal sediment sampling sites map
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.
Quartermaster Harbor Nitrogen Management Study
This study will evaluate the role of nitrogen in the risk of lethal, low-level dissolved oxygen events in Quartermaster Harbor, a sensitive marine embayment of Vashon-Maury Island in Puget Sound.
Juvenile Salmonid Composition, Timing, Distribution, and Diet in Marine Nearshore Waters of Central Puget Sound in 2001-2002
Scientific report essential to protect and recover Puget Sound salmon stocks.
Prioritization of Marine Shorelines of WRIA 9 for Juvenile Salmonid Habitat Protection and Restoration (2006)
Identifies Puget Sound shoreline habitats in southern King County that should be preserved or restored to help salmon.
Puget Sound Shoreline Stewardship Guidebook
Provides info and contacts for residents of beach and bluff shorelines to learn about natural shoreline protection, manage runoff, use native plants, control aggressive non-native plants, and maintain septic systems in an ecologically friendly way.
Puget Sound marine life photos
A photo collection of Puget Sound fish, invertebrates, and algae to aid the identification of marine species.
Puget Sound Nearshore Environment
The Puget Sound Nearshore Environment. An illustrated presentation.
Beyond the Beach:
Learn about the Nearshore Environment and what you can do to help protect it from damage.
Summary and assessment of the state of our current knowledge of ecological processes and conditions, natural resources, and ecosystem health in nearshore portions of Central Puget Sound. Intended to provide a foundation for future environmental work and decision making.
Recreation and appreciation
Vashon–Maury Island parks & natural lands map and guide
Places for residents and visitors to get outside across Vashon-Maury Island.
Island Center Forest
363-acre working forest and ecological lands in the middle of Vashon Island.
Noxious weed infestation map
Interactive map showing location of regulated noxious weed infestations.
Quality assurance project plan for regulatory effectiveness monitoring for developing rural areas
Framework to monitor and evaluate land use regulations to help ensure their effectiveness, using indicators for hydrology, water quality, biology, and stream complexity.
Maury Island Ecological Economic Evaluation
Report describing the island's ecological assets and estimating their economic value to help inform decisions related to resource conservation, land use planning and sustainable practices.
- Dept. of Natural Resources and Parks
- Water and Land Resources Division
- Wastewater Treatment Division
News and announcements
Sign up Unincorporated News:
Oct. 30, 2020
External article, Seattle Times
Shellfish toxin forces closure of Vashon Island beaches
Jan. 15, 2020
External feature, Seattle Times
We have the know-how and no time to waste to save Puget Sound
Oct. 26, 2019
External report, KUOW
Rising Northwest waters bring tough choice: fight or flight
Oct. 23, 2019
External article, Vashon-Maury Island Beachcomber
Islanders, geologists consider landslide risks