Modeling the dynamic penetration depth of post-1950s water in unconfined aquifers using environmental tracers: Central Valley, California

Effects of Imported Recharge on Fluoride Trends in Groundwater Used for Public Supply in California

Trends in Arsenic Concentrations in the San Joaquin Valley

Increased Pumping in California's Central Valley During Drought Worsens Groundwater Quality

Irrigation Causes Naturally Occurring Uranium to Dissolve Into Groundwater in the Eastern San Joaquin Valley

Perchlorate and Chromium--Constituents with Both Natural and Anthropogenic Sources

Pharmaceuticals and Chemicals of Emerging Concern in California's Groundwater

Volatile Organic Compounds in California's Groundwater

Changing Analytical Suites, Benchmarks, and Assessments--GAMA Program Response to Emerging Contaminants and Non-Regulatory Benchmarks

Nothing Happens Right Away--Predicting Decreases in Nitrate Concentrations After Zero Loading is Achieved

Where are People Using Domestic Wells and What Portion of the Aquifer Supplies Those Wells?

Denitrification Only Removes Minor Amounts of Nitrate in Eastern San Joaquin Valley Groundwater