Colorado River Basins Groundwater Resources Used for Public Supply

Study Unit

  • Study Area: Needles Valley, Palo Verde Valley, Yuma Valley
  • Counties Covered: San Bernardino, Riverside and Imperial

Click on the study area below to see a list of products.

Colorado River Basins Groundwater Resources Used for Public Supply Colorado River Basins Groundwater Resources Used for Public Supply Colorado River Basins Groundwater Resources Used for Public Supply

Products

Reports

Geochemical Conditions and the Occurrence of Selected Trace Elements in Groundwater Basins Used for Public Drinking-Water Supply, Desert and Basin and Range Hydrogeologic Provinces, 2006-11: California GAMA Priority Basin Project

Wright, M.T., Fram, M.S., and Belitz, K., 2015, U.S. Geological Survey Scientific Investigations Report 2014-5173, 48 p.

Groundwater quality in the Colorado River Basins, California

Dawson, B.J.M., and Belitz, K., 2012, U.S. Geological Survey Fact Sheet 2012-3034, 4 p.

Status of Groundwater Quality in the California Desert Region, 2006-2008: California GAMA Priority Basin Project

Dawson, B.J.M., and Belitz, K., 2012, U.S. Geological Survey Scientific Investigations Report 2012-5040, 110 p.

Data

Blank results for trace-element data collected for the California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project, October 2009-October 2018

Bennett, G.L., 2020, U.S. Geological Survey data release

Groundwater-quality data in the Colorado River study unit, 2007: Results from the California GAMA program

Goldrath, D.A., Wright, M.T., and Belitz, Kenneth, 2009, U.S. Geological Survey Data Series 474, 66 p.

Pesticide Constituent Data from the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP), 2004 - 2018

Lor, V., Balkan, M., and Stork, S.V., 2019, U.S. Geological Survey data release

Water use information for sites sampled by the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP), 2004-2021 (ver. 3.0, October 2023)

Stork, S.V., and Fram, M.S., 2021, U.S. Geological Survey data release

Photos

Click on a photo to see the full-size image.

All American Canal

All American Canal

Credit: Michael T. Land, USGS, 2018

Desert buttes with desert vegetation in the foreground

Desert buttes with desert vegetation in the foreground

Credit: USGS, 2007

Colorado River with desert hills in the background

Colorado River with desert hills in the background

Credit: USGS, 2007

Looking across a canal to green fields, Imperial Valley

Looking across a canal to green fields, Imperial Valley

Credit: USGS, 2007