Ukiah Valley
Statistics
- Basin Name
- Ukiah Valley
- Basin Number
- 1-052
- SGMA Basin Priority
- Medium
- Critically Overdrafted
- No
- Hydrologic Region Name
- North Coast
- Counties
- Mendocino
- Adjacent Basins
Basin Notes
2003: Bulletin 118 basin description
2010: Ukiah Valley Water Supply Assessment expresses concerns regarding SWRCB assertion that all or most of the “groundwater” in the basin is, for legal purposes, underflow from the Russian River and associated tributaries…which support endangered fishery. (Per 2014 Basin prioritization)
2014: CASGEM groundwater basin prioritization process ranked the Ukiah Valley Groundwater Basin medium priority. 2018 Basin Prioritization: Status remains unchanged. Basin is Medium Priority.
2022: January 28 – Groundwater Sustainability Plan (GSP) submitted to Department of Water Resources (DWR)
2023: GSP approved by DWR
At-A-Glance
California Water Library Documents About This Basin
Three-Dimensional Hydrogeologic Framework Model of the Russian River Watershed, California
U.S. Geological Survey (USGS) | December 19th, 2024
The U.S. Geological Survey (USGS) was invited by the California State Water Resources Control Board and Sonoma County Water Agency to cooperate on a scientific investigat
Statement of Findings regarding the Approval of the Ukiah Valley Basin Groundwater Sustainability Plan
California Department of Water Resources (DWR) | July 27th, 2023
Ukiah Valley Groundwater Sustainability Plan
Ukiah Valley Groundwater Sustainability Agency (UVGSA) | January 12th, 2022
The Sustainable Groundwater Management Act (SGMA), passed by the California legislature in 2014, requires local entities to jointly assess groundwater conditions in thei