groundwater contamination

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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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  • California Hydrogeologically Vulnerable Areas Map

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    California Hydrogeologically Vulnerable Areas Map

    California State Water Resources Control Board | January 31, 2012...
    Summary

    In response to Executive Order D-5-99, State Water Board staff created a map where published hydrogeologic information indicates soil or rock conditions that...

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  • California Non-point Source Program Implementation Plan 2014 – 2020

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    California Non-point Source Program Implementation Plan 2014 – 2020

    California State Water Resources Control Board | August 5, 2015...
    Summary

    The 2014 - 2020 California Nonpoint Source (NPS) Program Implementation Plan (NPS Program Implementation Plan) describes how the State will be using its...

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  • Californians Without Safe Water and Sanitation

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    Californians Without Safe Water and Sanitation

    Department of Water Resources | October 30, 2014...
    Summary

    While most Californians enjoy access to safe drinking water and adequate sanitation, some residents live in communities or areas that do not have...

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  • Central Valley Salinity Alternatives for Long-Term Sustainability (CV-SALTS)

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    Central Valley Salinity Alternatives for Long-Term Sustainability (CV-SALTS)

    Central Valley Salinity Coalition (CVSC) | January 19, 2017...
    Summary

    Elevated salinity and nitrates in surface water and groundwater are increasing problems affecting much of California, other western states, and arid regions throughout...

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  • Characterizing Nitrates in Central Coast Groundwater

    Characterizing Nitrates in Central Coast Groundwater

    Central Coast Groundwater Coalition (CCGC) | April 1, 2016...
    Summary

    The Central Coast Groundwater Coalition (CCGC) is a third-party cooperative groundwater monitoring program that was established for landowners/operators in the Central Coast region...

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  • Communities that rely on a contaminated groundwater source for drinking water

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    Communities that rely on a contaminated groundwater source for drinking water

    California State Water Resources Control Board | January 1, 2013...
    Summary

    AB 2222 (Caballero, Chapter 670, Statutes of 2008) requires the State Water Resources Control Board to submit a report to the Legislature that...

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  • Comparing Groundwater Quality in Public-Supply and Shallow Aquifers in the Monterey Bay and Salinas Valley Basins, California

    Comparing Groundwater Quality in Public-Supply and Shallow Aquifers in the Monterey Bay and Salinas Valley Basins, California

    U.S. Geological Survey (USGS) | December 17, 2018...
    Summary

    Groundwater quality in the Monterey–Salinas Valley Public-Supply and Shallow Aquifer Systems was investigated by the GAMA-PBP. The Monterey–Salinas Valley Public-Supply Aquifer System study...

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  • Data from Exploratory Sampling of Groundwater in Selected Oil and Gas Areas of Coastal Los Angeles County and Kern and Kings Counties in Southern San Joaquin Valley, 2014–15

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    Data from Exploratory Sampling of Groundwater in Selected Oil and Gas Areas of Coastal Los Angeles County and Kern and Kings Counties in Southern San Joaquin Valley, 2014–15

    U.S. Geological Survey (USGS) | December 9, 2016...
    Summary

    Exploratory sampling of groundwater in coastal Los Angeles County and Kern and Kings Counties of the southern San Joaquin Valley was done by...

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  • Evaluation of Processes Affecting 1,2-Dibromo-3-Chloropropane (DBCP) Concentrations in Ground Water in the Eastern San Joaquin Valley, California: Analysis of Chemical Data and Ground-Water Flow and Transport Simulations

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    Evaluation of Processes Affecting 1,2-Dibromo-3-Chloropropane (DBCP) Concentrations in Ground Water in the Eastern San Joaquin Valley, California: Analysis of Chemical Data and Ground-Water Flow and Transport Simulations

    U.S. Geological Survey (USGS), University of California Davis | December 17, 1999...
    Summary

    Future use of the sole-source aquifer near Fresno in the eastern San Joaquin Valley, California, will depend, in part, on how long 1,2-dibromo-3-chloropropane...

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