New Estimate Finds Less Fresh Groundwater in U.S. Than Previously Assumed

photo: drilling rig and drilling for water

Photo: Well drillers for Hydro Resources drill a well near Sublette, Kansas. Photo © Brian Lehmann / Circle of Blue By Brett Walton, Circle of Blue

Drilling deeper not a long-term strategy, authors say.

When a severe drought enveloped California a few years ago and rivers shriveled, farmers in the Central Valley punched wells deeper underground, seeking to tap water reserves that were untouched by aridity on the surface.

In … [more…]

US groundwater in peril: potable water supply less than thought

photo: a private, potable groundwater well in New Mexico, USA

Photo: A groundwater well near Estancia, New Mexico. Credit: Debra Perrone

The U.S. groundwater supply is smaller than originally thought, according to a new research study that includes a University of Arizona hydrologist.

The study provides important insights into the depths of underground fresh and brackish water in some of the most prominent sedimentary basins across the U.S.

The research by scientists from the University of Saskatchewan, the UA and … [more…]

Pipeline firm found guilty of criminal charges in Santa Barbara oil spill

Photo: cleaning oil-contaminated wildlife. Pipeline firm found guilty of criminal charges in Santa Barbara oil spill

Santa Barbara residents walk the oil-coated shore at Refugio State Beach looking for wildlife to rescue after a ruptured pipeline spilled barrels of crude oil in 2015. A jury returned guilty verdicts Friday against Plains All American Pipeline (Al Seib / Los Angeles Times)

For the record: An earlier version of this story, published Sept. 7 at 9:25 p.m., contained multiple errors, which have now been corrected. It said that … [more…]

Opinion: Desalination plant in Southern California is important to water security

Opinion: Desalination plant in Southern California is important to water security

Photo: Workers prepare a desalination plant for service at the Charles Meyer Desalination Facility in Santa Barbara this year. (Jim Gensheimer/Bay Area News Group)

Climate change is all around us. Extreme weather conditions including recent Hurricanes Harvey, Irma and Maria demonstrate the intensity and impact of climate change on our environment. We’ve seen California and other parts of the West Coast fight large, uncontrollable wildfires and our neighbors in Mexico … [more…]