Redding Area – Bowman Subbasin

Source: CA DWR

Redding Area – Bowman Subbasin


  • Basin Name
  • Redding Area – Bowman Subbasin
  • Basin Number
  • 5-006.01
  • SGMA Basin Priority
  • Very Low
  • Critically Overdrafted
  • No
  • Status
  • Not Subject to SGMA
  • DWR Region & POC
  • Northern Region Office
    Michelle Dooley
    (530) 529-7380

  • Number of Wells
  • 1510
  • Hydrologic Region Name
  • Sacramento River Hydrologic Region
  • Counties
  • Tehama


Located in California’s Sacramento River hydrologic region, the Redding Area – Bowman Subbasin is 122,533.80 acres in size. This Very Low priority basin is home to an estimated 7,937 people (2010 value), which have been at a rate of 49. Redding Area – Bowman Subbasin is a(n) basin with approximately 1510 wells, of which approximately 12 are water supply wells. Groundwater accounts for approximately 51 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

Bulletin 118 2003 Basin Description

2014 Basin Prioritization Notes:
Some localized high boron.
GW Use on Tehama Co GW Inventory data

2018: basin priority dropped from medium to low

Basin boundary modification request reflecting consolidation of management of Redding Area basins before DWR.

2019: Basin boundary modification. Per DWR: It “removes the shared boundary between Bowman and Rosewood subbasins and consolidates them into a single subbasin. The requesting agency is the exclusive Groundwater Sustainability Agency in both subbasins.”

GSA Information

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