Contract Review Subcommittee
January 25, 2023

Cooperative Agreement for the Transfer
of Raw and Partially Treated Well
Water Between Sonoma County Water
Agency and the City of Santa Rosa
Board of Public Utilities – Contract Review Subcommittee January 25, 2023
1 Reason for Agreement
2 • Sonoma Water is rehabilitating three wells in the Santa Rosa Plain to help support water supplies in times of drought
• Increased potable water and recycled water
• All three wells will require discharging well water as a condition of operating a municipal drinking water well
• Purge water
• Filter backflush water
• Flushing treatment system
• There are no accessible sewer systems nearby
• The City’s reclamation system is nearby all three well sites 3 City
Reclamation
System
Sonoma
Water Well
Sites
Occidental Road Well
4 City
Reclamation
System
Sonoma
Water Well
Site
5 Sebastopol Road Well
City
Reclamation
System
Sonoma
Water Well
Site
6 Todd Road Well
City
Reclamation
System
Sonoma
Water Well
Site
Agreement Terms
• Sonoma Water is responsible for the infrastructure improvements, including CEQA compliance
• Sonoma Water will coordinate with City before initiating all discharges • All discharges into the system will be at flow rates approved by the City • The City will only take water from sources that are approved by our regulators
• Waters not accepted into the reclamation system may be trucked to the City’s Laguna Treatment Plant
• Agreement is for 5 years with automatic one-year renewals • Authority for changes to the agreement by written amendment signed by Sonoma Water General Manager and Santa Rosa Water Director 7 Recommendation
It is recommended by Santa Rosa Water that the Contract Review Subcommittee recommend approval of this contract by the Board of Public Utilities.
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