Ventura River Valley – Upper Ventura River

Statistics

  • Basin Name
  • Ventura River Valley – Upper Ventura River
  • Basin Number
  • 4-003.01
  • SGMA Basin Priority
  • Medium
  • Critically Overdrafted
  • No
  • Hydrologic Region Name
  • South Coast
  • Counties
  • Ventura
  • Adjacent Basins
  • Ventura River Valley - Lower Ventura River 4-003.02, Ojai Valley 4-002,

At-A-Glance

Located in California’s South Coast hydrologic region, the Ventura River Valley – Upper Ventura River subbasin is 5,278 acres. This Medium priority basin is home to an estimated 10,307 people (2010 value). It has approximately 55 wells, of which approximately 17 are water supply wells. Groundwater accounts for approximately 41.86 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

2003: Bulletin 118 basin description

2014CASGEM Basin Prioritization: Medium

2016: Basin boundary modification  approved

Revised basin boundary description

2018: Basin prioritization – medium. Comment: Key well hyhdrograph from groundwater budget management plan shows stable groundwater levels. Source: Groundwater Budget and Approach to a groundwater Management Plan Upper and Lower Ventura River Basin, Ventura County Watershed Protection District, 12/30/2010 To Consolidate or Coordinate: Status of the Formation of Groundwater Sustainability Agencies in California, Stanford University / Water in the West / Stanford Law School Martin Daniel Gould Center for Conflict Resolution case study, November 2016

2018: Final Basin Prioritization: Unchanged at Medium.

2022: January 24 – GSP submitted to DWR

2023: April 27 – DWR approved GSP

GSA Information