Washington Aqueduct

Future Treatment Alternatives Study

Treatment Process Overview Fact Sheet

Study Objectives:  To determine whether additional treatment should be provided to improve public health protection and/or to meet the expectations of drinking water consumers in the service area

• Identify current and future drinking water quality challenges (e.g., aesthetic quality, pathogens, disinfection byproducts, corrosiveness, contaminants of emerging concern such as endocrine disruptors, etc.)
• Develop objectives for any new treatment or non-treatment strategies needed to address these challenges
• Estimate the costs of these strategies
• Use a transparent approach that appropriately involves technical experts and the community at large in identification of challenges and solutions

Project Overview Fact Sheet

Approach:

• Expert Panel: Efficiently draw upon the subject matter expertise of technical experts from public health, environmental, water quality and treatment, energy, and other relevant fields in the form of an Expert Panel to provide guidance, direction and independent review of the project.
  
  

  • Expert Panel Members

  • Additional Panel Experts

Stakeholders:  Elicit constructive input, at strategic points, from major Stakeholders

• Invited Stakeholders

  • Observers:  Invite representatives of wholesale customer and regulators as Observers to ensure understanding and continuity of the project development.

Schedule:

• Phase I:  Identify Water Quality Challenges and Water Quality Objectives (December 2009)

• Phase II:  Screen Treatment and Non-Treatment Alternatives (Scheduled to be complete in November 2010)

• Phase III:  Pilot Testing of Treatment Alternatives and Implementation Development for Non Treatment Alternatives (TBD)

• Phase IV:  Construction/Implementation (TBD)

Workshop 1: 

Conducted October 14, 2009. It provided an overview of the project, summary of water treatment, and discussion of issues that should be considered during the project. 

• Workshop 1 – Meeting Minutes

Workshop 2: 

Conducted March 3, 2010. It presented a sustainability framework for analysis of issues related to selection of treatment / non-treatment alternatives and obtained feedback from stakeholders on their prioritization of water quality issues and criteria for the alternative selection process.

• Workshop 2 – Meeting Minutes

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