Upper Santa Ana Valley – Chino
Statistics
- Basin Name
- Upper Santa Ana Valley – Chino
- Basin Number
- 8-002.01
- SGMA Basin Priority
- Very Low
- Critically Overdrafted
- No
- Hydrologic Region Name
- South Coast
- Counties
- Los Angeles, Riverside, San Bernardino
Basin Notes
1978-present: Watermaster reports
Mainly adjudicated basin with 2,553 unadjudicated acres
2003: Bulletin 118 basin description
2016 Basin boundary modification Santa Ana Watershed Project Authority
Revised basin boundary description
2018: Final prioritization: Very Low.
At-A-Glance

California Water Library Documents About This Basin
Evidence for faulting and fluid-driven earthquake processes from seismic attenuation variations beneath metropolitan Los Angeles
Nature Portfolio (Springer Nature) | July 30th, 2024
Pulse Flows Component of the Water Storage Investment Program Groundwater Projects Supplemental Environmental Impact Report
California Department of Water Resources (DWR) | July 30th, 2024
This final supplemental environmental impact report (Final SEIR) has been prepared for the Pulse Flows Component of the Water Storage Investment Program (WSIP) Groundwate
Chino Basin Municipal Water District v. City of Chino et al
Superior Court of California, County of San Bernardino | August 25th, 2014
From "An Evaluation of California's Adjudicated Groundwater Basins" by Langridge et al: "Chino Basin is one of the largest groundwater basins in Southern California. It a
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