Water Quality

Westside Water is required to comply with drinking water regulations specified by the state Department of Health. As with all water utilities, our information is in the public record.

For a complete record of required testing results, please visit the following website: https://fortress.wa.gov/doh/eh/portal/odw/si/Intro.aspx
Our system ID number is 94950.

Monthly Arsenic Levels               2015  |  2014

Because of ongoing issues with arsenic concentrations in the summer months, we continue to pursue new sources.

Serving the northwest side of Vashon Island, WA