• Administrative Framework
• Treatment Plants
  • Salmon Creek Wastewater Treatment Plant
  • Ridgefield Wastewater Treatment Plant
• Projects
  • Salmon Creek Treatment Plant Odor Control and Existing Facilities Improvements
  • Columbia River Outfall and Effluent Pipeline Project
  • Salmon Creek Treatment Plant Secondary Treatment Process Improvements
  • Construction Activities and Possible Impacts
• Consultant Opportunities
• About
  • Board Meeting Materials
  • Documents & Links
  • Calendar
  • Pollution Prevention
• Contact Us
  • Tour the Salmon Creek Treatment Plant
  • Public Records Request Form

About the Alliance