Shasta Valley

Source: CA DWR

Shasta Valley


  • Basin Name
  • Shasta Valley
  • Basin Number
  • 1-004
  • SGMA Basin Priority
  • Medium
  • Critically Overdrafted
  • No
  • Status
  • Subject to SGMA
  • DWR Region & POC
  • Northern Region Office
    Pat Vellines
    (530) 529-7344

  • Number of Wells
  • 650
  • Hydrologic Region Name
  • North Coast Hydrologic Region
  • Counties
  • Siskiyou
  • Adjacent Basins
  • No items found


Located in California’s hydrologic region, the Shasta Valley is 52,630 acres in size. This Medium priority basin is home to an estimated 5,331 people (2010 value), which have been at a rate of 22.92. Shasta Valley is a(n) basin with approximately 650 wells, of which approximately 6 are water supply wells. Groundwater accounts for approximately 39.32 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

1960: Geology and Ground- Water Features of Shasta Valley, Siskiyou County California  by Seymour Mack, U.S. Geological Survey

2003: Bulletin 118 basin description

2018: Noted on Draft SGMA Prioritization: “Complex GW management issues internally and externally involving the basin hydrology, contributing volcanic aquifers, surface water with fisheries dependence.”

GSA Information

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