Water Quality Monitoring

Search Results

Browse All Documents

  • Type

  • Topic

  • Keywords

  • Publication Year

  • Hydrologic Region

  • Reset
  • Index By

  • 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...

    View Document

    Become a member to access this feature

    Download Now

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

    $0.00

    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....

    View Document

    Become a member to access this feature

    Download Now

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

    $0.00

    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,...

    View Document

    Become a member to access this feature

    Download Now

  • Adapting to Change: Utility Systems and Declining Flows

    Adapting to Change: Utility Systems and Declining Flows

    California Water Urban Agencies | November 1, 2017...
    Summary

    During the recent historic drought, Californians responded to the call for emergency statewide water use reductions, which the state has recognized as a...

    View Document

    Become a member to access this feature

    Download Now

  • Advancement of Salinity and Flow Monitoring in the San Francisco Bay Delta, San Francisco Bay Delta Action Plan Implementation Support, FINAL REPORT

    Advancement of Salinity and Flow Monitoring in the San Francisco Bay Delta, San Francisco Bay Delta Action Plan Implementation Support, FINAL REPORT

    U.S. Geological Survey, U.S. Environmental Protection Agency | February 1, 2017...
    Summary

    This report evaluates the cost and utility of adding coupled surface and near-bottom salinity monitors along the axis of the San Francisco Estuary,...

    View Document

    Become a member to access this feature

    Download Now

  • An Index of Biotic Integrity (IBI) for Perennial Streams in California’s Central Valley

    An Index of Biotic Integrity (IBI) for Perennial Streams in California’s Central Valley

    California State Water Resources Control Board | December 1, 2008...
    Summary

    Bioassessment is the science of using aquatic organisms as indicators of ecological condition in streams in rivers. Many types of organisms can be...

    View Document

    Become a member to access this feature

    Download Now

  • Benthic Invertebrate and Deposited Sediment TMDL Guidance for the Pajaro River Watershed

    Benthic Invertebrate and Deposited Sediment TMDL Guidance for the Pajaro River Watershed

    California State Water Resources Control Board | March 1, 2016...
    Summary

    The Pajaro River and its tributaries are exposed to sediments from a variety of sources. To establish limits for regulating this pollutant, it...

    View Document

    Become a member to access this feature

    Download Now

  • Bioaccumulation of Pollutants in California Waters: A Review of Historic Data and Assessment of Impacts on Fishing and Aquatic Life

    Bioaccumulation of Pollutants in California Waters: A Review of Historic Data and Assessment of Impacts on Fishing and Aquatic Life

    California State Water Resources Control Board, San Francisco Estuary Institute | October 24, 2007...
    Summary

    This report was written for the State Water Resources Control Board’s Surface Water Ambient Monitoring Program (SWAMP) as a step toward the development...

    View Document

    Become a member to access this feature

    Download Now

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

    $0.00

    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...

    View Document

    Become a member to access this feature

    Download Now

  • Biology-based Stressor Thresholds

    Biology-based Stressor Thresholds

    California State Water Resources Control Board, Non-point Source Program | October 1, 2011...
    Summary

    The objective of this memo is to describe how biological assessment data (such as those collected using Surface Water Ambient Monitoring Program (SWAMP)...

    View Document

    Become a member to access this feature

    Download Now

  • Bulletin No. 52-B Salinas Basin Investigation Summary Report

    $0.00

    Bulletin No. 52-B Salinas Basin Investigation Summary Report

    California Department of Water Resources, formerly State Department of Public Works Division of Water Resources | December 13, 1946...
    Summary

    The Board of Supervisors and the Flood Control and Water Conservation Conmittee of the County of Monterey became concerned in April 1944 over...

    View Document

    Become a member to access this feature

    Download Now

  • 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...

    View Document

    Become a member to access this feature

    Download Now

  • Comparison of the Performance of Different Bioassessment Methods: Similar Evaluations of Biotic Integrity from Separate Programs and Procedures

    Comparison of the Performance of Different Bioassessment Methods: Similar Evaluations of Biotic Integrity from Separate Programs and Procedures

    Journal of the North American Benthological Society | January 16, 2006...
    Summary

    Regional bioassessment programs of states, various federal agencies, and other governmental and private groups often use different methods to collect and analyze stream...

    View Document

    Become a member to access this feature

    Download Now

  • Comparisons of Targeted-riffle and Reach-wide Benthic Macroinvertebrate Samples: Implications for Data Sharing in Stream-condition Assessments

    Comparisons of Targeted-riffle and Reach-wide Benthic Macroinvertebrate Samples: Implications for Data Sharing in Stream-condition Assessments

    Journal of the North American Benthological Society | January 1, 2007...
    Summary

    Recent comparisons of benthic macroinvertebrate (BMI) sampling protocols have shown that samples collected from different habitat types generally produce consistent stream classifications and...

    View Document

    Become a member to access this feature

    Download Now

  • Condition of California Perennial, Wadeable Streams Based on Algal Indicators

    Condition of California Perennial, Wadeable Streams Based on Algal Indicators

    Southern California Coastal Water Research Project, San Diego Regional Water Quality Control Board | October 1, 2013...
    Summary

    Algae can serve as indicators of stream ecological condition in two ways. Information about algal community composition can be used for bioassessment analogous...

    View Document

    Become a member to access this feature

    Download Now

  • Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015

    Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015

    U.S. Geological Survey (USGS), Central Valley Regional Water Quality Control Board | July 27, 2018...
    Summary

    Surface water samples were collected by the U.S. Geological Survey and multiple cooperators during base flow/irrigation runoff and storm runoff conditions from 12...

    View Document

    Become a member to access this feature

    Download Now

  • DRERIP Ecosystem Conceptual Model: Chemical stressors

    $0.00

    DRERIP Ecosystem Conceptual Model: Chemical stressors

    California Department of Fish and Wildlife | February 5, 2008...
    Summary

    The Sacramento-San Joaquin Delta ecosystem comprises many different habitat types, and is home to a large number of species. Thousands of chemical contaminants...

    View Document

    Become a member to access this feature

    Download Now

  • Effects of wildfire on benthic macroinvertebrate assemblages in Southern California streams and implications for bioassessment monitoring programs

    $0.00

    Effects of wildfire on benthic macroinvertebrate assemblages in Southern California streams and implications for bioassessment monitoring programs

    California State Water Resources Control Board | June 13, 2012...
    Summary

    Wildfires are common in arid regions of southern California, sometimes burning as much as half a million acres in a season. These fires...

    View Document

    Become a member to access this feature

    Download Now

  • Estimating Exposure of Piscivorous Birds and Sport Fish to Mercury in California Lakes Using Prey Fish Monitoring—A Predictive Tool for Managers

    Estimating Exposure of Piscivorous Birds and Sport Fish to Mercury in California Lakes Using Prey Fish Monitoring—A Predictive Tool for Managers

    U.S. Geological Survey (USGS) | May 22, 2015...
    Summary

    Numerous water bodies in California are listed under the Clean Water Act as being impaired due to mercury (Hg) contamination. The Surface Water...

    View Document

    Become a member to access this feature

    Download Now

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

    $0.00

    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...

    View Document

    Become a member to access this feature

    Download Now