Modesto, Turlock, and Merced Subbasins of the San Joaquin Valley Groundwater Resources Used for Domestic Supply

Study Unit

  • Study Area: Modesto Basin, Uplands Terrace, Turlock Basin, Merced Basin
  • Counties Covered: Stanislaus and Merced

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

Modesto, Turlock, and Merced Subbasins of the San Joaquin Valley Groundwater Resources Used for Domestic Supply

Products

Reports

Quality of groundwater used for domestic supply in the Modesto, Turlock, and Merced Subbasins of the San Joaquin Valley, California

Levy, Z.F., Balkan, M., and Shelton, J.L., 2023, U.S. Geological Survey Open-File Report 2022-1116, 13 p.

Data

Groundwater-quality data in the Modesto-Turlock-Merced Domestic-Supply Aquifer Study Unit, 2020-2021: Results from the California GAMA Priority Basin Project

Balkan, M., Levy, Z.F., Dupuy, D.I., Shelton, J.L., Johnson, T.D., and Watson, E., 2022, U.S. Geological Survey data release

Photos

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

Orchards in California's Central Valley

Credit: USGS, 2005

Dormant fruit trees in orchard with mustard groundcover blooming

Credit: USGS, 2005

Grain silos behind a green farm field

Credit: USGS, 2008

Orchard, hills, and charred land in Fresno

Credit: USGS, 2005

Farm surrounded by old wooden fence and trees

Credit: USGS, 2008

Irrigation canal along a green farm field with fields being irrigated in the distance

Credit: USGS, 2006