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Vashon-Maury Island Groundwater Monitoring
Vashon-Maury Island ground and surface waters provide all of the water needed for residential, commercial and agricultural needs. Water quality on Vashon-Maury Island is generally excellent. All drinking water sources on the island (springs, surface water, and groundwater) are supplied by local precipitation.
On-going water resource monitoring on Vashon-Maury Island is currently being done with the support of the Groundwater Protection Committee and their sustainability indicators.
Learn more about King County and Groundwater Protection Committee efforts to help Vashon Island residents learn about their water resources:
Recent Report
Vashon-Maury Island Water Resources - A Retrospective of Contributions & Highlights
This report summarizes precipitation, stream flow and groundwater monitoring results and activities on the Island since the 1980‘s. In addition, a section is dedicated to summarizing key challenges in moving forward with maintaining the water resources on the Island.
The Water Resources Evaluation (WRE) was a project designed to describe and assess the water resources of the island from 2004-2010. This project provided a better understanding of how different activities can adversely affect the island's water quality and quantity and led to an updated, more accurate water supply budget for the island.
Care to join us?
Groundwater Protection Committee meetings are open to the public and held quarterly on the 4th Wednesday of the month (Jan/Apr/Jul/Oct).
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This page is produced by the King County Groundwater Protection Program. To learn more about this group and its responsibilities, please read about the Groundwater Protection Program.