Juanita Bay Pump Station Replacement Project
The King County Wastewater Treatment Division is replacing the Juanita Bay Pump Station, at 9290 N.E. Juanita Drive,
to increase capacity and ensure safe and reliable operations. The existing
site is too small, so the new pump station will be moved across 93rd Avenue
Northeast (see map).
Construction
is expected to run from fall 2005 through summer 2008.

Existing Juanita Bay Pump Station at 9290 N.E. Juanita
Drive
Need for Project
- Replace aging pump station to ensure safe and reliable operations.
- Address critical capacity needs by increasing the pumping capacity
from 14.2 million gallons per day (mgd) to a peak capacity of 30.6 mgd.
- Meet current design standards, including odor and noise control.
Proposed Work
- Replace the Juanita Bay Pump Station at 9290 N.E. Juanita Drive
- Build a new pump station across 93rd Avenue Northeast from the existing
pump station.
- Leave existing pump station in service while the new station is built.
- Design the building and landscaping to fit the neighborhood.
- Choose equipment to enhance safe system operation and reduce odors
and noise.
>> back to top Project Schedule
- Construction started: September 2005
- Construction ends: summer 2008

Click on schedule for larger view.
What will be done to minimize impacts?
King County works hard to ease the impacts of construction on the community. Here are some examples:
- Most construction noise and activity will take place weekdays between 7 a.m. and 6 p.m.
- Limited work may be required at night, when wastewater flows are lowest,
to complete certain tasks.
- The pump station site and construction staging area will be fenced.
- Sound walls will be built on two sides of the pump station site, near
adjacent apartments and condominiums.
- Access to residences and Juanita Beach Park will be provided at all times.
- Traffic will be directed and controlled to ensure safe travel around the
construction area.
- Work will be done safely and as quickly as possible.
- County staff will be available 24 hours a day to respond to questions and concerns.
- The contractor will restore the staging area and landscape the pump station site after work is complete.
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>> back to top Background
- The existing pump station was built in late1960s.
- Pump station serves 7,650 acres in north Kirkland and part of the Northshore Utility
District.
- Station pumps wastewater east through two pipes to the main conveyance pipe
that follows the Burlington Northern and Santa Fe Railway to the South
Treatment Plant in Renton
- News Release, June 27, 2008 -- Worker injured in construction accident at Juanita pump station project
- News Release, Feb. 12, 2008 -- Infrastructure investments, environmental improvements top clean-water agency priorities in 2008
- News Release, March 6, 2007 --
Wastewater infrastructure investments a major priority in 2007
- News Release, March 8, 2006 --
King County's commitment to 24/7 service continues with sewer system improvements in 2006
- News Release, Jan. 24, 2005 --
Concrete examples of wastewater treatment planned for 2005
- News Release, Nov. 25, 2003 -- Community
meeting Dec. 11 on plans to replace Juanita Bay Pump Station
>> back to top For more information
- Call the 24-hour construction hotline at 206-205-3898. A staff person will be paged and will respond promptly.
- Contact Doug Marsano about King County's project at
206-684-1235
or doug.marsano@kingcounty.gov. Ask to be added to the project mailing list or e-mail list.
- Refer to Project Library for project and construction updates, planning and environmental documents.
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