Santa Clara River Valley – Santa Clara River Valley East
Statistics
- Basin Name
- Santa Clara River Valley – Santa Clara River Valley East
- Basin Number
- 4-004.07
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- South Coast
- Counties
- Los Angeles, Ventura
- Adjacent Basins
At-A-Glance
Located in California’s South Coast hydrologic region, the Santa Clara River Valley – Santa Clara River Valley East is 67,688 acres in size. This High priority basin is home to an estimated 229,689 people (2010 value). It has approximately 328 wells, of which approximately 60 are water supply wells. Groundwater accounts for approximately 48 percent of the basin’s water supply.
Source: CA DWR
Basin Notes
2003: Bulletin 118 basin description
2014: CASGEM Basin Prioritization: High
2016: Basin boundary modification approved to better align with the Saugus formation Revised basin boundary description
2017: Santa Clarita Valley Water Report
2018: Draft basin prioritization: High. Comments:
- Groundwater level declines: 1) CASGEM/WDL/GWIDS: Longterm hydrographs show groundwater level decline. Source: DWR 2) However, 2013 Santa Clarita Valley Water Report, page ES-1, says no indication of overdraft.
2018 Basin Final Prioritization: High.
2024: GSP approved by DWR