Holiday closure Monday May 28: Most county offices will be closed in observance of Memorial Day.

For questions about the Wastewater Treatment Division website, please send an e-mail message or contact us at:

King Street Center
201 S. Jackson St., Suite 500
Seattle, WA 98104-3855
Phone: 206-684-1280
Fax: 206-684-1741
Telecommunication device for the deaf (TTY): 711

Get Directions to our office location in Seattle, Washington.

Staff Contacts
Puget Sound shoreline next to the West Point Treatment Plant, Seattle

North Beach force main maintenance

Library

Documents on this page require a PDF reader to be viewed.

Project updates

Force main inspection reports

  • North Beach Force Main Inspection Report, August 2011
    The King County Wastewater Treatment Division retained the services of Pure Technologies (Pure) to perform a SmartBall survey of the North Beach Force Main on Tuesday August 23, 2011. The purpose of the SmartBall survey is to identify and locate leaks and/or pockets of trapped gas.
  • North Beach Force Main Report, May 1989
    This report covers excavation and evaluation made during the months of April and May 1989 of the METRO (King County) North Beach Force Main located on Puget Sound in northwest Seattle, Washington.

Related information

The acoustic listening device (ALD) used was a SmartBall. Learn more by viewing video (external link, Pure Technologies).
Learn how an acoustic listening device (ALD) works in a pipeline. External link, Pure Technologies.

Related project

For more information