San Diego River Valley

Statistics

  • Basin Name
  • San Diego River Valley
  • Basin Number
  • 9-015
  • SGMA Basin Priority
  • Very Low
  • Critically Overdrafted
  • No
  • Hydrologic Region Name
  • South Coast
  • Counties
  • San Diego
  • Adjacent Basins

Basin Notes

2004: Bulletin 118 basin description

2014: CASGEM basin prioritization – medium. Comments: High nitrates, iron and manganese treatment is required. High TDS ( >3,000 mg/l) in western portion of basin

2018: Draft basin priority – very low. Comments: no documentation available on groundwater levels/declines. Salt intrusion –

2019: Basin boundary modification. Per DWR: It “follows geologic contacts on a 1:100,000 scale qualified map, which is a more detailed mapping scale than the 1:250,000 scale maps used in 2016. Colluvium deposits are excluded from the upper reaches of the proposed basin. These deposits are thin, dry layers above non-permeable, consolidated deposits.” Phase 2 draft priority: Very Low

At-A-Glance

Source: CA DWR

California Water Library Documents About This Basin

San Diego Basin Study

U.S. Bureau of Reclamation (USBR) | August 15th, 2017

The purpose of the San Diego Basin Study (Basin Study) is to determine potential climate change impacts on water supplies and demands within the San Diego region and to i

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GSA Information