Houghton Beach reopened for swimming, wading, and other water activities as of 3:40 p.m. on Sept. 1, 2026, following King County Public Health recommendations. The closure, which began Aug. 18, was due to elevated bacteria levels in the water.
King County Water and Land Resources Division staff tested the water this week and confirmed it was safe for recreational use. The county will continue weekly testing through the summer to monitor water quality. Residents can check current beach conditions via King County's Lake Swimming Beach Data webpage.
The closure was part of routine weekly testing by King County's Department of Natural Resources and Parks, which closes beaches when bacteria levels exceed safety thresholds. Weekly testing ensures public safety and helps identify potential issues before they impact residents.