Gilroy-Hollister Valley – Llagas Area
Statistics
- Basin Name
- Gilroy-Hollister Valley – Llagas Area
- Basin Number
- 3-003.01
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- Central Coast
- Counties
- Santa Clara
At-A-Glance
Located in California’s Central Coast hydrologic region, the Gilroy-Hollister Valley – Llagas Area is 47,371 acres in size. This High priority basin is home to an estimated 88,905 people (2010 value). It has approximately 2178 wells, of which approximately 92 are water supply wells. Groundwater accounts for approximately 40.22 percent of the basin’s water supply.
Basin Notes
2003: Bulletin 118 basin description
2016: Basin boundary modification approved
Revised basin boundary description
December 21: Alternative Groundwater Management Plan (approved by DWR)
2018: Basin prioritization groundwater level comment – [Santa Clara Valley Water District ]Annual Report shows stable longterm hydrographs for the most part. Source: 2018 Final Basin Prioritization: Basin status remains unchanged at high priority.