GIS Data
Data
Water-Quality Data
Groundwater-quality data and ancillary data for selected wells in the San Joaquin Valley, California, 1900-2015
Hansen, J.A., Jurgens B.C., and Fram, M.S., 2018, U.S. Geological Survey data release
Related Study Unit(s): Central Eastside San Joaquin Basin Groundwater Resources Used for Public Supply, Eastern Sacramento Valley and Foothills Groundwater Resources Used for Domestic Supply, Kern County Sub-Basin Groundwater Resources Used for Public Supply, Madera-Chowchilla and Kings Sub-basins Groundwater Resources Used for Domestic Supply, Madera-Chowchilla Basin Groundwater Resources Used for Public Supply, Modesto, Turlock, and Merced Subbasins of the San Joaquin Valley Groundwater Resources Used for Domestic Supply, Northern San Joaquin Valley Groundwater Resources Used for Public Supply, Southeast San Joaquin Valley Groundwater Resources Used for Public Supply, Tule-Tulare-Kaweah and Associated Highlands Groundwater Resources Used for Domestic Supply, Western San Joaquin Valley Groundwater Resources Used for Public Supply
ABSTRACT
This report provides a full digitization of historic groundwater-quality and depth-to-water data from Mendenhall and others (1916) Water Supply Paper 398, “Ground Water in San Joaquin Valley, California†in a modern format suitable for further analysis of California’s water supply resources. Included are geochemical data for over 400 wells collected by Mendenhall in the fall of 1910, as well as depth-to-water and well construction information from over 4000 wells compiled by his team from over 15 years of well surveys throughout the San Joaquin Valley. Additionally, these data provide geospatial and geochemical data for sampled wells in California's San Joaquin Valley (SJV) in support of the publication: Jeffrey A. Hansen, Bryant C. Jurgens, Miranda S. Fram, Quantifying anthropogenic contributions to century-scale groundwater salinity changes, San Joaquin Valley, California, USA, Science of The Total Environment, Volume 642, 15 November 2018, Pages 125-136, ISSN 0048-9697, https://doi.org/10.1016/j.scitotenv.2018.05.333.