Colorado River

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  • A Field Guide to the Identification of the Ordinary High Water Mark (OHWM) in the Arid West Region of the Western United States: A Delineation Manual

    A Field Guide to the Identification of the Ordinary High Water Mark (OHWM) in the Arid West Region of the Western United States: A Delineation Manual

    U.S. Army Corps of Engineers, Cold Regions Research and Engineering Laboratory | August 1, 2008...
    Summary

    The Ordinary High Water Mark (OHWM) is an approach for identifying the lateral limits of non-wetland waters. However, determining whether any non-wetland water...

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  • Biological Condition of Non-Perennial Streams and Spring-Fed Oases in the Colorado River Basin Region

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    Biological Condition of Non-Perennial Streams and Spring-Fed Oases in the Colorado River Basin Region

    State Water Resources Control Board | August 22, 2014...
    Summary

    The Colorado River Basin Regional Water Board conducted bioassessment sampling at high-quality (i.e., “reference”) streams in their region during 2013-2015. The purpose of...

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  • California Water Plan 2013: Colorado River Hydrologic Region Report

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    California Water Plan 2013: Colorado River Hydrologic Region Report

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

    Despite the subtropical desert climate, reliable water supplies for the Colorado River Hydrologic Region have made it possible to establish, maintain, and even...

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  • California’s Severe Drought Has Only Marginal Impacts on Food Prices

    California’s Severe Drought Has Only Marginal Impacts on Food Prices

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

    The extreme drought that has gripped California over the past several years is causing onerous adjustments in the natural and human environments. Agriculture,...

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  • California’s Water: The Colorado River

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    California’s Water: The Colorado River

    Public Policy Institute of California | October 1, 2016...
    Summary

    The Colorado River—a major water source for Southern California’s cities and farms—is shared among seven states and Mexico. Water use now outstrips supply....

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  • Colorado River Basin Water Supply and Demand Study

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    Colorado River Basin Water Supply and Demand Study

    Bureau of Reclamation | December 1, 2012...
    Summary

    The Colorado River Basin Water Supply and Demand Study (Study), initiated in January 2010, was conducted by the Bureau of Reclamation’s (Reclamation) Upper...

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  • Colorado River Hydrologic Region Groundwater Update

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    Colorado River Hydrologic Region Groundwater Update

    Department of Water Resources | April 1, 2015...
    Summary

    The primary goal of the Colorado River Hydrologic Region (Colorado River region) groundwater update is to expand information about region-specific groundwater conditions for...

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  • Colorado River Water: Challenges for California

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    Colorado River Water: Challenges for California

    Legislative Analyst's Office | October 16, 1997...
    Summary

    The Secretary of the Interior has directed California to come up with a plan to live within its entitlement of 4.4 million acre-feet of...

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  • Evaluation of a Ground-Water Flow and Transport Model of the Upper Coachella Valley, California

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    Evaluation of a Ground-Water Flow and Transport Model of the Upper Coachella Valley, California

    U.S. Geological Survey; California Regional Water Quality Control Board, Colorado River Basin Region | June 25, 1992...
    Summary

    A geohydrologic data base was compiled to evaluate the changes in ground-water conditions in the upper Coachella Valley, California, since 1978, when the...

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  • Evaluation of Geohydrologic Framework, Recharge Estimates, and Ground-Water Flow of the Joshua Tree Area, San Bernardino County, California

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    Evaluation of Geohydrologic Framework, Recharge Estimates, and Ground-Water Flow of the Joshua Tree Area, San Bernardino County, California

    U.S. Geological Survey, Joshua Basin Water District | February 7, 2005...
    Summary

    Ground water historically has been the sole source of water supply for the community of Joshua Tree in the Joshua Tree ground-water subbasin...

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  • Evaluation of the Source and Transport of High Nitrate Concentrations in Ground Water, Warren Subbasin, California

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    Evaluation of the Source and Transport of High Nitrate Concentrations in Ground Water, Warren Subbasin, California

    U.S. Geological Survey, Hi-Desert Water Agency, Mojave Water Agency | December 13, 2003...
    Summary

    From early 1995 through 2001, nitrate (NO3) concentrations in ground water in the Warren subbasin, California, increased from a background concentration of 10...

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  • Federal Reserved Water Rights and Groundwater: Quantity, Quality, and Pore Space

    Federal Reserved Water Rights and Groundwater: Quantity, Quality, and Pore Space

    Congressional Research Service, Library of Congress | February 8, 2018...
    Summary

    Tribal rights to groundwater have not been legally established to the same extent as rights to other natural resources (e.g., surface water, timber, minerals)....

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  • Geohydrology, Simulation of Regional Groundwater Flow, and Assessment of Water-Management Strategies, Twentynine Palms Area, California

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    Geohydrology, Simulation of Regional Groundwater Flow, and Assessment of Water-Management Strategies, Twentynine Palms Area, California

    U.S. Geological Survey, U.S. Marine Corps | December 14, 2010...
    Summary

    The Marine Corps Air Ground Combat Center (MCAGCC) Twentynine Palms, California, overlies the Surprise Spring, Deadman, Mesquite, and Mainside subbasins of the Morongo...

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  • Geology, Ground-Water Hydrology, Geochemistry, and Ground-Water Simulation of the Beaumont and Banning Storage Units, San Gorgonio Pass Area, Riverside County, California

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    Geology, Ground-Water Hydrology, Geochemistry, and Ground-Water Simulation of the Beaumont and Banning Storage Units, San Gorgonio Pass Area, Riverside County, California

    U.S. Geological Survey, San Gorgonio Pass Water Agency | December 14, 2006...
    Summary

    Ground-water has been the only source of potable water supply for residential, industrial, and agricultural users in the Beaumont and Banning storage units...

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  • Groundwater Dynamics in the Colorado River Limitrophe

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    Groundwater Dynamics in the Colorado River Limitrophe

    Pacific Institute | May 23, 2013...
    Summary

    The Colorado River, diverted and channelized and intensively managed, only rarely has enough water to flow even 20 miles past Morelos Dam, the...

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  • Groundwater Quality in Coachella Valley, California

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    Groundwater Quality in Coachella Valley, California

    U.S. Geological Survey (USGS), California State Water Resources Control Board | January 9, 2013...
    Summary

    Groundwater provides more than 40 percent of California’s drinking water. To protect this vital resource, the State of California created the Groundwater Ambient...

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  • Groundwater Quality in the Colorado River Basins, California

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    Groundwater Quality in the Colorado River Basins, California

    U.S. Geological Survey (USGS), California State Water Resources Control Board | January 9, 2013...
    Summary

    Groundwater provides more than 40 percent of California’s drinking water. To protect this vital resource, the State of California created the Groundwater Ambient...

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  • Hidden Oasis: Water Conservation and Efficiency in Las Vegas

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    Hidden Oasis: Water Conservation and Efficiency in Las Vegas

    Pacific Institute | November 20, 2007...
    Summary

    Two of the West’s preeminent water organizations report Las Vegas Valley is sitting on an oasis of water and money savings. In their...

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  • History of the All-American Canal: Boulder Canyon Project

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    History of the All-American Canal: Boulder Canyon Project

    Bureau of Reclamation | December 1, 2009...
    Summary

    A narrative history of the construction of the All American Canal, Imperial Dam, and the Coachella Canal.

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  • How are Western water districts managing groundwater basins?

    How are Western water districts managing groundwater basins?

    California Agriculture | March 13, 2018...
    Summary

    Making the transition from open-access groundwater rights to sustainable groundwater management is a formidable task for newly formed groundwater sustainability agencies in California....

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