San Fernando Valley
Statistics
- Basin Name
- San Fernando Valley
- Basin Number
- 4-012
- SGMA Basin Priority
- Very Low
- Critically Overdrafted
- No
- Hydrologic Region Name
- South Coast Hydrologic Region
- Counties
- Los Angeles
- Adjacent Basins
At-A-Glance
Located in California’s hydrologic region, the San Fernando Valley is 144,837 acres in size. This Very Low priority basin is home to an estimated 1,743,187 people (2010 value), which have been at a rate of 18.89.
San Fernando Valley is a(n) basin with approximately 475 wells, of which approximately 101 are water supply wells. Groundwater accounts for approximately 19.08 percent of the basin’s water supply.
Basin Notes
2003: Bulletin 118 basin description
2014: CASGEM basin prioritization – medium. Comments: Some public supply wells have shown contamination per B118
2016: Watermaster report, annual ULARA Watermaster reports
2018: Draft basin prioritization – very low. Comments:
- 1) CASGEM/WDL/GWIDS: Longterm hydrographs show groundwater level decline. Source: DWR
- 2) Upper Los Angeles River Area Watermaster notes decline
Basin is 98.98% adjudicated
2018 Final Basin Prioritization: Basin priority is changed from medium priority to very low priority.
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