Coastal Plain of Orange County
Statistics
- Basin Name
- Coastal Plain of Orange County
- Basin Number
- 8-001
- SGMA Basin Priority
- Medium
- Critically Overdrafted
- No
- Hydrologic Region Name
- South Coast
- Counties
- Orange
- Adjacent Basins
Basin Notes
2003: Bulletin 118 basin description
2016: Basin border modification with Coastal Plain of Los Angeles approved
Revised basin boundary description
Analysis of basin conditions for an alternative to GSP
2017: Orange County Water District alternative GSP proposal (approved) and SGMA portal
2018: Final basin prioritization: Medium.
2019: June 17 – Alternative plan to GSP approved by DWR
2024: June 27 – GSP alternative reviewed, approved.
At-A-Glance
California Water Library Documents About This Basin
Municipal Service Review and Sphere of Influence Update for the Orange County Water District Including a Feasibility Analysis of the Potential Consolidation of Orange County Water District and Municipal Water District of Orange County
Local Agency Formation Commission of Orange County | November 15th, 2024
Statement of Findings regarding the Periodic Review and Approval of the Coastal Plain of Orange County Basin Alternative Groundwater Sustainability Plan
California Department of Water Resources (DWR) | June 27th, 2024
2022-2023 Engineer’s Report on the Groundwater Conditions, Water Supply and Basin Utilization in the Orange County Water District
Orange County Water District (OCWD) | February 21st, 2024
Total water demands within Orange County Water District (OCWD) were 351,719 acre feet (AF) for the 2022-23 water year (beginning on July 1, 2022 and ending on June 30, 20
Talbert Seawater Intrusion Barrier Operations & Maintenance Manual
Orange County Water District (OCWD) | March 15th, 2023
OCWD’s Talbert Seawater Barrier (Talbert Barrier, Barrier) has been in operation since 1976. Since 1976 the Barrier has undergone many changes including new well design
Water Surplus and Drought Management Update - Conditions as of 11/29/2022
Metropolitan Water District of Southern California (MWD) | December 13th, 2022
Development of a Groundwater-Simulation Model in the Los Angeles Coastal Plain, Los Angeles County, California
U.S. Geological Survey (USGS) | September 28th, 2021
The Los Angeles Coastal Plain (LACP) covers about 580 square miles and is the largest coastal plain of semiarid southern California. The LACP is heavily developed with mo
Achievements in Conservation, Recycling, and Groundwater Recharge Covering Fiscal Year July 2018-June 2019
Metropolitan Water District of Southern California (MWD) | March 1st, 2020
Statement of Findings regarding the Approval of the Coastal Plain of Orange County Alternative Groundwater Sustainability Plan
California Department of Water Resources (DWR) | June 17th, 2019
Coastal Plain of Orange County, Basin 8-001 Alternative to a Groundwater Sustainability Plan
Orange County Water District (OCWD) | January 1st, 2017
Sea-level rise and coastal groundwater inundation and shoaling at select sites in California, USA
Journal of Hydrology: Regional Studies (Elsevier) | January 5th, 2016
Study region: The study region spans coastal California, USA, and focuses on three primary sites: Arcata, Stinson Beach, and Malibu Lagoon. Study focus: 1m and 2m sea-
Second Report of Recharge Parties Pursuant to RWQCB Resolution No. R8-2008-0019 Cooperative Agreement to Protect Water Quality and Encourage the Conjunctive Uses of Imported Water in the Santa Ana River Basin, Yucaipa and San Timoteo Management Zones
San Bernardino Valley Municipal Water District | July 18th, 2012
The importation of water (i.e., State Water Project (SWP) water, Colorado River water, and imported groundwater) to groundwater basins within the Santa Ana River Region
Final Groundwater Assessment Study: A Status Report on the Use of Groundwater in the Service Area of the Metropolitan Water District of Southern California
Metropolitan Water District of Southern California (MWD) | September 3rd, 2007
Bulletin No. 39-59, Water Supply Conditions in Southern California during 1958-1959, Volume III, Water Level Data Lahontan, Colorado River Basin, Santa Ana, and San Diego Regions
California Department of Water Resources (DWR) | May 1st, 1961
Bulletin No. 39-58, Water Supply Conditions in Southern California during 1957-1958, Volume III, Precipitation and Water Level Data, Lahontan, Colorado River Basin, Santa Ana, and San Diego Regions
California Department of Water Resources (DWR) | August 1st, 1960
Bulletin No. 39-57, Water Supply Conditions in Southern California during 1956-1957, Volume III, Precipitation and Water Level Data Lahontan, Colorado River Basin, Santa Ana, and San Diego Regions
California Department of Water Resources (DWR) | June 16th, 1958
Bulletin No. 39-57 Volume I Bulletin No. 39-57 Volume II Bulletin No. 39-57 Volume IV
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