Santa Rosa Valley – Santa Rosa Plain
Statistics
- Basin Name
- Santa Rosa Valley – Santa Rosa Plain
- Basin Number
- 1-055.01
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- North Coast Hydrologic Region
- Counties
- Sonoma
At-A-Glance
Located in California’s North Coast hydrologic region, the Santa Rosa Valley – Santa Rosa Plain is 80,124 acres in size. This High priority basin is home to an estimated 250,016 people (2010 value), which have been at a rate of 16.95.
Santa Rosa Valley – Santa Rosa Plain is a(n) basin with approximately 6943 wells, of which approximately 158 are water supply wells. Groundwater accounts for approximately 50.03 percent of the basin’s water supply.
Basin Notes
2003: Bulletin 118 basin description
2014: Santa Rosa Plain Watershed Groundwater Management Plan
May 2018: basin proposed for high priority status
2019: basin boundary modification approved changing a portion of the e boundary between the Santa Rosa Plain subbasin and the Wilson Grove Formation Highlands basin consolidating the City of Sebastopol, Belmont Terrace Mutual Water Company (MWC), Fircrest MWC, and Kelly MWC within the Santa Rosa Plain subbasin. Phase 2 Draft basin priority: medium.
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