Upper Santa Ana Valley – Temescal
Statistics
- Basin Name
- Upper Santa Ana Valley – Temescal
- Basin Number
- 8-002.09
- SGMA Basin Priority
- Medium
- Critically Overdrafted
- No
- Hydrologic Region Name
- South Coast
- Counties
- Riverside
Basin Notes
2003: Bulletin 118 basin description
2014: CASGEM basin prioritization – medium. Comment: Groundwater quality impaired by nitrates and inorganics in some wells (B‐118).
2016: Basin boundary modification with Elsinore 8-004, which partitioned the Elsinore Basin in two basins and aligned the boundaries.
2018: Draft basin priority – Medium
Fnal basin priority: Medium.
2022: January 27 – GSP submitted to DWR
2024: January 18 – GSP approved by DWR
At-A-Glance
California Water Library Documents About This Basin
Statement of Findings regarding the Approval of the Upper Santa Ana Valley - Temescal Subbasin Groundwater Sustainability Plan
California Department of Water Resources (DWR) | January 18th, 2024
The Department of Water Resources (Department) is required to evaluate whether a submitted groundwater sustainability plan (GSP or Plan) conforms to specific requirements
Temescal Basin Groundwater Sustainability Plan
Temescal Basin Groundwater Sustainability Agency | January 27th, 2022
Wishing to provide a framework for cooperative groundwater management and SGMA compliance, the City of Corona (Corona), City of Norco (Norco), and the Home Gardens Coun
Bulletin No. 39-W, Southern California Area Investigation, Ground Water Levels and Precipitation Records in Los Angeles, San Gabriel and Santa Ana River Basins and Antelope Valley and Water Supply Summary for Southern Portion of California 1954
California Department of Water Resources (DWR) | June 1st, 1956
Bulletin No. 39-U, Southern California Area Investigation, Ground Water Levels and Precipitation Records in Los Angeles, San Gabriel, and Santa Ana River Basins and Antelope Valley and Water Supply Summary for Southern Portion of California 1952
California Department of Water Resources (DWR) | August 1st, 1955
Bulletin No. 39-V, Southern California Area Investigation, Ground Water Levels and Precipitation Records in Los Angeles, San Gabriel, and Santa Ana River Basins and Antelope Valley and Water Supply Summary for Southern Portion of California 1953
California Department of Water Resources (DWR) | August 1st, 1955
Bulletin No. 39-T, Southern California Area Investigation, Ground Water Levels and Precipitation Records in Los Angeles, San Gabriel, and Santa Ana River Basins and Antelope Valley, Water Supply Summary for Southern Portion of California 1951
California Department of Water Resources (DWR) | June 1st, 1955
Bulletin No. 39-S, Southern California Area Investigation, Ground Water Levels and Precipitation Records in Los angeles, San Gabriel, and Santa Ana River Basins and Antelope Valley and Water Supply Summary for Southern Portion of California 1950
California Department of Water Resources (DWR) | April 1st, 1955
Bulletin No. 39-R, Southern California Area Investigation, Ground Water Levels and Precipitation Records in Los Angeles, San Gabriel, and Santa Ana River Basins and Antelope Valley
California Department of Water Resources (DWR) | July 1st, 1954
Bulletin No. 39-Q, South Coastal Basin Investigation, Ground Water Levels and Precipitation Records in Los Angeles, San Gabriel and Santa Ana River Basins and Antelope Valley and Water Supply Summary for Southern Portion of California 1948
California Department of Water Resources (DWR) | July 1st, 1953
Bulletin No. 39-B, South Coastal Basin Investigation, Records of Ground Water Levels at Wells for the Year 1933, Precipitation Records for the Season 1932-33
California Department of Water Resources (DWR) | January 1st, 1934
Wells of Southern California
Scientific American | March 22nd, 1902
In the Series of Water Supply Irrigation Papers, the United States Geological Survey has in press, but not yet published, the “Wells of Southern California" (Nos. 59