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Conveyance System Improvement Program

this image depicts the relationship of the CSI Program with local agency collection and regional treatment.

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Of interest

CSI Program Update, June 2007. This update identifies projects needed for increasing capacity in the conveyance system to accommodate population growth; and, also provides a status on the County’s asset management program for replacing or substantially rehabilitating deteriorated portions of the system. It then lays out a schedule and budget for these projects. More...

 

Sept. 5, 2007 -- Letter of Recommendation to King County Excutive and Council by MWPAAC.

The Metropolitan Water Pollution Abatement Advisory Committee (MWPAAC) is writing this letter to support the proposed ordinance that would update conveyance policies in the Regional Wastewater Services Plan (RWSP); and, to provide its perspective on the Conveyance System Improvement (CSI) Program Update. More...

Did you know?

The county's regional wastewater conveyance system consists of more than 335 miles of pipes and 42 pump stations that moves wastewater from local communities to the county's two regional secondary treatment plants.

The CSI program looks at ways to improve the system and address public health concerns, while ensuring that the system has sufficient capacity to respond to regional growth.

Since 1999 the Conveyance System Improvement (CSI) program has focused on upgrades and improvements to King County-owned regional wastewater facilities in three important areas:

  • Providing a consistent approach to conveyance planning throughout the service area.
  • Incorporating population growth and current operational and environmental considerations in the planning process
  • Providing opportunities to address common issues, leverage resources, and minimize customer disruption.

King County's Wastewater Treatment Division completed the planning process for the initial phase (five-year program) in 2003 and recently issued a program update (June 2007).

This Web site is where you will find completed planning studies and information about conveyance system planning focused on upgrading the existing regional conveyance system level of service provided to the 34 local sewer agencies in King and Snohomish Counties.

One of the highlights of this program is its integration with other system programs, including:

 

For questions about the King County Conveyance System Improvement (CSI) Program, please contact Mark Lampard.

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

Department of Natural Resources and Parks
 Wastewater Treatment Division
201 S. Jackson St., Suite 505
Seattle, WA 98104-3855
Phone: 206-684-1280
Fax: 206-684-1741
Telecommunication device for the deaf (TTY): 711

Updated: Aug. 1, 2008

 

Related Information:

Infiltration and Inflow (I/I) Control Program
Regional Wastewater Services Plan
Combined Sewer Overflow Control Program
Brightwater Project
Construction Projects
Planning for the Future

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