Click here to view the Watershed Sanitary Survey 2021

YUBA/BEAR RIVER WATERSHED SANITARY SURVEY

• Report prepared by Starr Consulting and Palencia Consulting Engineers
• Conducted jointly with Placer County Water Agency
• Study period was January 2016 through December 2020
• Surface Water Treatment Rules require public water systems to conduct update to watershed sanitary survey of all surface water supplies every five years, this is a regulatory compliance document
• Last update was completed in January 2017

Objectives of 2021 Update:

• Fulfill SWTR and IESWTR (required every five years); identify significant changes in past five years and comment on appropriate level of treatment for pathogens at the water treatment plants
• Review and evaluate selected water quality constituents of interest in raw and treated water to assess ability to meet current and future standards at each water treatment plant (WTP)
• Review and evaluate selected potential contaminating activities to identify potential impacts on source water quality
• Develop practical and feasible recommendations to protect and possibly improve source water quality and treatment