Kirkland

Kirkland, WA receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Kirkland's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Kirkland's score of 100 is 6 points above the Washington state average of 94, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and prospective homebuyers looking at this mid-size city in Washington, the local drinking water offers exceptional regulatory reliability. Fed by the naturally clean source waters characteristic of the Pacific Northwest's forested mountains and Puget Sound coastline, the single water system serving Kirkland achieves a flawless evaluation. This outstanding quality performance indicates that the household taps throughout the community receive highly reliable and clean water. Such results align perfectly with the region's overall environmental health, providing newcomers and long-term locals alike with dependable utility performance.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Washington water quality rankings report →