Groundwater

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  • 2017 Salinas Valley Groundwater Level Contours & Seawater Intrusion Maps

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    2017 Salinas Valley Groundwater Level Contours & Seawater Intrusion Maps

    Monterey County Water Resources Agency (MCWRA) | April 24, 2018...
    Summary

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  • 2017 SGMA Annual Report South American Subbasin (5-021.65) Sacramento Central Groundwater Authority

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    2017 SGMA Annual Report South American Subbasin (5-021.65) Sacramento Central Groundwater Authority

    Sacramento Central Groundwater Authority, GEI Consultants Inc. | April 1, 2018...
    Summary

    The Sacramento Central Groundwater Authority (SCGA) has prepared an Annual Report describing groundwater conditions in the South American Subbasin for the 2017 Water...

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  • A Guide for Using the Transient Ground-Water Flow Model of the Death Valley Regional Ground-Water Flow System, Nevada and California

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    A Guide for Using the Transient Ground-Water Flow Model of the Death Valley Regional Ground-Water Flow System, Nevada and California

    U.S. Geological Survey, U.S. Department of Energy Office of Environmental Management | November 4, 2006...
    Summary

    This report is a guide for executing numerical simulations with the transient ground-water flow model of the Death Valley regional ground-water flow system,...

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  • A hybrid machine learning model to predict and visualize nitrate concentration throughout the Central Valley aquifer, California, USA

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    A hybrid machine learning model to predict and visualize nitrate concentration throughout the Central Valley aquifer, California, USA

    Science of the Total Environment | June 9, 2017...
    Summary

    Intense demand forwater in the Central Valley of California and related increases in groundwater nitrate concentration threaten the sustainability of the groundwater resource....

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  • A National Framework for Groundwater Monitoring in the United States

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    A National Framework for Groundwater Monitoring in the United States

    USGS | July 1, 2013...
    Summary

    The establishment and management of a National Ground-Water Monitoring Network (NGWMN) in the United States would represent a significant achievement in water-resource management....

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  • A Water Resources Data Network Evaluation for Monterey County, California; Phase 1; South County

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    A Water Resources Data Network Evaluation for Monterey County, California; Phase 1; South County

    U..S. Geological Survey, Monterey County Flood Control and Water Conservation District | July 12, 1986...
    Summary

    An evaluation made of rainfall, surface water, groundwater, and water quality monitoring networks in Salinas River basin in southern Monterey County, California, proposed...

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  • A Water Resources Data Network Evaluation for Monterey County, California; Phase 3, Northern Salinas River Drainage Basin

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    A Water Resources Data Network Evaluation for Monterey County, California; Phase 3, Northern Salinas River Drainage Basin

    U.S. Geological Survey, Monterey County Flood Control and Water Conservation District | December 13, 1990...
    Summary

    Continuing data collection and analysis are vital to efficient development and management of water resources. To insure that water managers have adequate information...

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  • A Water Resources Data-Network Evaluation for Monterey County, California, Phase 3: Northern Salinas River Drainage Basin

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    A Water Resources Data-Network Evaluation for Monterey County, California, Phase 3: Northern Salinas River Drainage Basin

    U.S. Geological Survey, Monterey County Flood Control and Water Conservation District | December 15, 1990...
    Summary

    This report presents an evaluation of water resources data collection networks in the northern Salinas River drainage basin, Monterey County, California. The evaluation,...

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  • Agricultural Irrigation in This Drought: Where is the Water and Where Is It Going?

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    Agricultural Irrigation in This Drought: Where is the Water and Where Is It Going?

    University of California Giannini Foundation of Agricultural Economics | May 14, 2015...
    Summary

    In the midst of its fourth year of drought, California now faces an estimated reduction in surface-water availability of 8.8 million acre-feet (maf)...

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  • Alamitos Barrier Project: Annual Report on the Control of Seawater Intrusion 2016-2017

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    Alamitos Barrier Project: Annual Report on the Control of Seawater Intrusion 2016-2017

    Los Angeles County Department of Public Works | June 30, 2017...
    Summary

    The Alamitos Barrier Project (ABP) was designed and constructed to protect the groundwater supplies of the Central/Orange County Basin of the Coastal Plain...

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  • An Update of the Death Valley Regional Groundwater Flow System Transient Model, Nevada and California

    An Update of the Death Valley Regional Groundwater Flow System Transient Model, Nevada and California

    U.S. Geological Survey | October 31, 2016...
    Summary

    The U.S. Geological Survey (USGS) has revised the regional-scale Death Valley regional groundwater flow system (DVRFS) numerical model with new data and interpretations...

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  • Analysis of Groundwater Basin Yield, Upper Santa Clara River Groundwater Basin, East Subbasin, Los Angeles County, California

    Analysis of Groundwater Basin Yield, Upper Santa Clara River Groundwater Basin, East Subbasin, Los Angeles County, California

    Castaic Lake Water Agency, Newhall County Water District, Santa Clarita Water | August 15, 2005...
    Summary

    This report presents an evaluation of the long-term sustainability of existing groundwater management practices in the Santa Clarita Valley, located in northwestern Los Angeles County,...

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  • Analysis of Potential Water-Supply Management Options, 2010-60, and Documentation of Revisions to the Model of the Irwin Basin Aquifer System, Fort Irwin National Training Center, California

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    Analysis of Potential Water-Supply Management Options, 2010-60, and Documentation of Revisions to the Model of the Irwin Basin Aquifer System, Fort Irwin National Training Center, California

    U.S. Geological Survey, Fort Irwin National Training Area | October 31, 2014...
    Summary

    The Fort Irwin National Training Center is considering several alternatives to manage their limited water-supply sources in the Irwin Basin. An existing three-dimensional,...

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  • Applying the Connectivity Approach: Groundwater management in California’s Kings Basin

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    Applying the Connectivity Approach: Groundwater management in California’s Kings Basin

    California Roundtable on Water and Food Supply | March 27, 2015...
    Summary

    The California Roundtable on Water and Food Supply (CRWFS) studied the processes used in the Kings Groundwater Subbasin (Kings Basin) of California’s San...

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  • Assessing the effectiveness of drywells as tools for stormwater management and aquifer recharge and their groundwater contamination potential

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    Assessing the effectiveness of drywells as tools for stormwater management and aquifer recharge and their groundwater contamination potential

    Science Direct | May 24, 2016...
    Summary

    Drywells are gravity-fed, excavated pits with perforated casings used to facilitate stormwater infiltration and groundwater recharge in areas where drainage and diversion of...

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  • Assessment of Interconnected Subbasins

    Assessment of Interconnected Subbasins

    Butte County | June 30, 2017...
    Summary

    The Sustainable Groundwater Management Act (SGMA) requires groundwater sustainability agencies (GSAs) to develop groundwater sustainability plans (GSPs) that achieve sustainable groundwater management within...

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  • Assessment of Interconnected Subbasins: Regional Collaboration and Model Selection Process

    Assessment of Interconnected Subbasins: Regional Collaboration and Model Selection Process

    Groundwater Resources Association of California | October 3, 2017...
    Summary

    In basins with complex spatial and temporal variations in water budget components, integrated groundwater-surface water modeling is the best approach to quantify and...

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  • Availability of high-magnitude streamflow for groundwater banking in the Central Valley, California

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    Availability of high-magnitude streamflow for groundwater banking in the Central Valley, California

    Environmental Research Letters | July 31, 2017...
    Summary

    California’s climate is characterized by the largest precipitation and streamflow variability observed within the conterminous US This, combined with chronic groundwater overdraft of...

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  • Basin Boundary Adjustment Regulation Fact Sheet

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    Basin Boundary Adjustment Regulation Fact Sheet

    Department of Water Resources | October 16, 2015...
    Summary

    In September 2014, the Governor signed into law the Sustainable Groundwater Management Act (SGMA). The Department has developed a program and is currently...

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  • Basin Framework for a Multi-benefit Groundwater Replenishment and Water Trading Program: Groundwater Sustainability Plan Chapter Template

    Basin Framework for a Multi-benefit Groundwater Replenishment and Water Trading Program: Groundwater Sustainability Plan Chapter Template

    Environmental Defense Fund | October 1, 2018...
    Summary

    The following Groundwater Sustainability Plan (GSP) chapter templates were developed by Environmental Defense Fund and New Current Water and Land, LLC to assist...

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