Coastal Plain of Orange County

Statistics

At-A-Glance

Source: CA DWR
Source: CA DWR

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

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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

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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

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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

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Water Surplus and Drought Management Update - Conditions as of 11/29/2022

Metropolitan Water District of Southern California (MWD) | December 13th, 2022

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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

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Achievements in Conservation, Recycling, and Groundwater Recharge Covering Fiscal Year July 2018-June 2019

Metropolitan Water District of Southern California (MWD) | March 1st, 2020

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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

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Coastal Plain of Orange County, Basin 8-001 Alternative to a Groundwater Sustainability Plan

Orange County Water District (OCWD) | January 1st, 2017

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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-

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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GSA Information