Vashon-Maury Island data
stream flow, water quality and precipitation

The Water Resources Evaluation Project and the Quartermaster Harbor Nitrogen Mangement Study are collecting data on Vashon-Maury Island as part of their work. Below is a summary of stream flow, stream water quality and precipitation sites.

The data are presented by water year (Oct - Sep).  This interactive map shows all King County gage locations.

VMI stream flow

VMI stream water quality

Nutrients: Total Phosphorus; TN/TP;Ortho Phosphate; Ammonia; Nitrate Nitrite; Total Nitrogen

Bacteria: Fecal Coliform

Conventionals: Temperature; pH; Dissolved Oxygen; Turdity; Conductivity

VMI precipitation

A figure of on-going gauge locations for the Water Resource Evaluation Project and a map of King County gaging locations

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.