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Barton Street Pump Station upgrade

King County upgraded the aging Barton Street Pump Station to accommodate West Seattle’s growing population and ensure its safe and reliable operation for the next 50 years. The pump station is an underground facility located next to the Fauntleroy ferry landing in West Seattle. The pump station pumps wastewater to the Murray Avenue Pump Station which then sends flows to the county’s regional treatment plant at West Point in Seattle.

Completed – Summer 2015

Major changes to pump station

The pump station was first constructed in 1958. The following improvements were made:

  • Replaced outdated electrical equipment, pumps, and associated equipment.
  • Increased capacity from 22 million gallons per day (mgd) to 33 mgd
  • Upgraded heating, ventilation and air conditioning Constructed a new underground vault to house a new backup generator system and a new odor control system
  • Constructed a new underground valve room and installed new valves for the two 24-inch force mains that were installed as part of a 2006 emergency repair project

Interpretive signage at the facility

July 18, 2015 ribbon cutting ceremony and facility tour

View more photos on our Flickr site.