Santa Clara River Valley – Santa Clara River Valley East
Statistics
- Basin Name
- Santa Clara River Valley – Santa Clara River Valley East
- Basin Number
- 4-004.07
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- South Coast
- Counties
- Los Angeles, Ventura
- Adjacent Basins
Basin Notes
2003: Bulletin 118 basin description
2014: CASGEM Basin Prioritization: High
2016: Basin boundary modification approved to better align with the Saugus formation Revised basin boundary description
2017: Santa Clarita Valley Water Report
2018: Draft basin prioritization: High. Comments:
- Groundwater level declines: 1) CASGEM/WDL/GWIDS: Longterm hydrographs show groundwater level decline. Source: DWR 2) However, 2013 Santa Clarita Valley Water Report, page ES-1, says no indication of overdraft.
2018 Basin Final Prioritization: High.
2024: GSP approved by DWR
Groundwater quality near the Placerita Oil Field, California, 2018, US Geological Survey, Sept, 26, 2024
At-A-Glance

California Water Library Documents About This Basin
Groundwater quality near the Placerita Oil Field, California, 2018
U.S. Geological Survey (USGS) | September 26th, 2024
Groundwater-quality data and potential fluid-migration pathways near the Placerita Oil Field in Los Angeles County, California, were examined by the U.S. Geological Surve
Establishing ecological thresholds and targets for groundwater management
Nature Portfolio (Springer Nature) | April 3rd, 2024
Groundwater is critical for many ecosystems, yet groundwater requirements for dependent ecosystems are rarely accounted for during water and conservation planning. Here w
Santa Clara River Valley East Groundwater Sustainability Plan
Santa Clarita Valley Groundwater Sustainability Agency | January 3rd, 2022
This Santa Clara River Valley East Groundwater Subbasin GSP provides information about the area affected by this plan, the basin setting, the quantitative methods (sustai
Status and Understanding of Groundwater Quality in the Santa Clara River Valley, 2007: California GAMA Priority Basin Project
U.S. Geological Survey (USGS) | September 26th, 2011
Groundwater quality in the approximately 460-square-mile Santa Clara River Valley study unit was investigated from April through June 2007 as part of the Priority Basin P
Bulletin No. 122, Ventura County and Upper Santa Clara River Drainage Area Land and Water Use Survey, 1961
California Department of Water Resources (DWR) | April 1st, 1965
Water Supply Conditions in Southern California during 1958-1959, Volume II, Water Level Data, Central Coastal and Los Angeles Regions
California Department of Water Resources (DWR) | May 1st, 1961