top of page


Union Hill Water Association is a 501(c)12, non-profit member-owned, water utility originally incorporated in April 1966 to distribute drinking and domestic water in rural King County, east of the City of Redmond.


Today, UHWA is a Group A water system as defined by Washington Administrative Code (WAC), Chapter 246-290.  We produce around 90,000,000 gallons of water a year from groundwater production wells.  UHWA maintains over 52 miles of pipe and four storage tanks with a combined capacity of 6,650,000 gallons.

We currently serve over 2,100 members within our service area.

Management and Operations

A five-member Board of Trustees, elected by the Members, governs the Association. UHWA employs a Water Operator certified by the Washington Department of Health who maintains the water system and a General Manager who oversees day-to-day operations.

The Board meets on the second Tuesday of each month.

The street address is:
5020 – 236th Ave NE
Redmond, WA 98053

[Click here to view a map of this location.]


All Members of the Association are invited to attend monthly Board meetings held on the second Tuesday of each month, as well as, the annual meeting held the second Wednesday in February.

Related Links


Board Minutes

bottom of page