Alexander Valley – Alexander Area
Statistics
- Basin Name
- Alexander Valley – Alexander Area
- Basin Number
- 1-054.01
- SGMA Basin Priority
- Very Low
- Critically Overdrafted
- No
- Hydrologic Region Name
- North Coast
- Counties
- Sonoma
At-A-Glance
Located in California’s North Coast hydrologic region, the Alexander Valley – Alexander Area subbasin is 24,500 acres in size. This Very Low priority basin is home to an estimated 1,793 people (2010 value). It has approximately 817 wells, of which approximately 46 are water supply wells. Groundwater accounts for approximately 80 percent of the basin’s water supply.
Basin Notes
1983: Evaluation of Ground Water Resources – Sonoma County, Volume 5: Alexander Valley and Healdsburg, Department of Water Resources and Sonoma County Water Agency
2003: Bulletin 118 basin description
2018: Change to medium priority subjected the Alexander Valley – Alexander Area to SGMA August 20, 2018 comment from Petaluma Valley, Sonoma Valley & Santa Rosa Plain Groundwater Sustainability Agencies and Sonoma Water on the reprioritization
2018: Basin Prioritzation: Basin remains at very low priority