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
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.
2019: June 17 – Alternative plan to GSP approved by DWR
2024: June 27 – Alternative Plan review successful; re-approval
At-A-Glance
California Water Library Documents About This Basin
Statement of Findings regarding the Periodic Review and Approval of the Gilroy-Hollister Valley - LLagas Area Subbasin Alternative Groundwater Sustainability Plan
California Department of Water Resources (DWR) | June 27th, 2024
Continuous water-quality and suspended-sediment transport monitoring in the San Francisco Bay, California, water years 2016–17
U.S. Geological Survey (USGS) | April 28th, 2020
The U.S. Geological Survey (USGS) monitors water quality and suspended-sediment transport in the San Francisco Bay (Bay) as part of a multi-agency effort to add
Statement of Findings regarding the Approval of the Llagas Subbasin Alternative Groundwater Sustainability Plan
California Department of Water Resources (DWR) | July 17th, 2019
Status and Understanding of Groundwater Quality in the South Coast Interior Groundwater Basins, 2008: California GAMA Priority Basin Project
U.S. Geological Survey (USGS) | May 14th, 2014
Groundwater quality in the approximately 653-square-mile (1,691-square-kilometer) South Coast Interior Basins (SCI) study unit was investigated as part of the Priority Ba
Bulletin 118: California's Groundwater (1980)
California Department of Water Resources (DWR) | January 1st, 1980
Ground water management is a major issue in California. The Governor's Commission to Review California Water Rights Law, in its December 1978 report, recommends a new g
Ground-Water Hydrology of the Hollister and San Juan Valleys San Benito County, California, 1913-68
U.S. Geological Survey (USGS) | August 31st, 1972
The Hollister and San Juan Valleys are within the Gilroy-Hollister ground-water basin. That part of the ground-water basin underlying the valleys consists of three subbas