Valley Water protects and replenishes local groundwater supplies to ensure water supply reliability for Santa Clara County. Management of the sustainable groundwater supply is funded by groundwater charges, which are applied to groundwater pumpers within zones benefiting from Valley Water activities. These activities include replenishing groundwater with local and imported surface water, monitoring and protecting groundwater from pollutants, and constructing, operating, and maintaining facilities that help sustain groundwater supplies.
Valley Water conducted a study to evaluate the extent of these benefit zones to ensure they accurately reflect the areas receiving benefit from Valley Water activities to protect and replenish groundwater. The study did not evaluate the rates that are charged within the benefit zone. This study provided Valley Water with a scientific, transparent basis for proposing changes to the current benefit zones, if necessary.
Groundwater Benefit Zone Map Web App
To better understand the potential changes to your area, please use the Groundwater Benefit Zone Map Web App.
How to participate
The community is invited to provide input into the Groundwater Benefit Zone Study throughout the process. Feedback received will be provided to the Valley Water Board of Directors.
Contact: George Cook, [email protected], 408-630-2964
Read the study
- Preliminary Groundwater Benefit Zone Study, Santa Clara County, California - October 2017
- Preliminary Groundwater Benefit Zone Study, Santa Clara County, California - October 2017 - Appendices
Learn more about groundwater and Valley Water activities