A new binational study maps how groundwater moves, recharges and changes beneath the Santa Cruz region of Arizona and Sonora.
Tag: groundwater monitoring
A major international study found groundwater levels declining across many regions, raising concerns about farming, drinking water, and long-term water security.
Video: From Drought to Deluge, The West’s Wild Week of Extremes
The West swings from drought to floods as new data, tech, and laws reshape water use across the region.
Good news below ground: Pesticides are fading from U.S. aquifers
A new USGS report shows pesticide contamination in U.S. groundwater has fallen sharply over three decades, improving drinking-water safety.