San Pasqual Valley
Statistics
- Basin Name
- San Pasqual Valley
- Basin Number
- 9-010
- SGMA Basin Priority
- Medium
- Critically Overdrafted
- No
- Hydrologic Region Name
- South Coast
- Counties
- San Diego
- Adjacent Basins
At-A-Glance
Located in California’s South Coast hydrologic region, the San Pasqual Valley is 3,498 acres in size. This Medium priority basin is home to an estimated 121 people (2010 value). It has approximately 61 wells, of which approximately 3 are water supply wells. Groundwater accounts for approximately 100 percent of the basin’s water supply.
Basin Notes
2003: Bulletin 118 basin description
2014: CASGEM basin prioritization – medium. Comments: Nitrate problems are widespread (B‐118). TDS is also knownto be high in places. During dry years, the basin has experienced water level declines up to 20 feet in one year per GWMP. 2006 Farmland Mapping Data indicate irrigated acreage is 2,691 and quick GIS estimate by SRO indicates irrigated acreage is at least 2,100 acres.
2015: San Pasqual Groundwater Management State of the Basin Report Update
2018: Draft basin priority – medium Note: San Diego County basin page
Final basin prioritization: Medium.
2022: Groundwater Sustainability Plan submitted to the California Department of Water Resources (DWR)
2023: GSP approved by DWR