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Eastside Interceptor Section 14 joint rehabilitation
Repairs are underway to a sewer pipe that runs along the Cross Kirkland Corridor (CKC) Trail north of 108th Avenue NE.
Eastside Interceptor Section 14 (ESI 14) sewer pipe is a 7-foot diameter pipe, which carries 10 million gallons of wastewater a day on average during dry weather. In late July 2025, King County and City of Kirkland crews detected a leak from the County’s ESI 14 sewer pipe that was entering Kirkland’s piped stream. King County coordinated with Public Health – Seattle & King County, and no public health risk was identified.
In September 2025, King County Department of Natural Resources and Parks issued a Declaration of Urgency to expedite the repair efforts. The City of Kirkland also issued a Proclamation of Emergency to aid in repairs.
Project update
Cross Kirkland Corridor Trail to temporarily open as early as December 11
The CKC trail section under repair will open for approximately 2 weeks.
December 11, 2025
Starting as early as December 11 the Cross Kirkland Corridor (CKC) Trail between NE 52 Street and 108 Avenue NE will open to the public for approximately two weeks.
Crews were able to find a natural pause in construction to allow for the scheduled 12K's of Christmas run and for community members to safely access the trail.
For your safety, avoid entering the trail along west trail access points (see map) and keep your distance from construction equipment and materials on the side of the trail. The temporary 3,000-foot long above-ground diversion pipe is currently along the west side of the trail and community members should stay away from the pipe.
Crews will close the trail again in approximately 2 weeks to complete repairs to the ESI 14 pipe. We will notify you in advance of the trail closing again. View construction notification for more information.
Past project updates
- Cross Kirkland Corridor Trail to temporarily open as early as December 11, December 11, 2025
- Eastside Interceptor Section 14 joint rehabilitation underway, October 15, 2025
Project background
The Eastside Interceptor (ESI), which consists of 14 pipe sections, is a large and critical component of King County’s wastewater conveyance system. The ESI collects and carries untreated wastewater from homes and businesses in Kirkland and sends it to South Treatment Plant in Renton, where it is cleaned and disinfected before the water is released into Puget Sound.
Project location
