Groundwater

As climate change and overuse reduce water supplies, the gap between “paper water” (the legal right to use water) and “actual water” (what’s available) is widening.

In Diamond Valley, Nevada, farmers are looking to protect their future — and testing the limits of the state’s water laws.

A fen-restoration project aims to enhance the wetland’s ability to provide habitat, store and filter groundwater, and sequester carbon.

Colorado's top water regulator is warning that a decision on whether hundreds of farm wells will be shut off to help save the Rio Grande River could come much sooner than expected.

Environmental correspondent Laura Paskus revisits the Gold King Mine spill and the destructive impact of the toxic orange plume that went flowing down the Animas and San Juan rivers five years ago.

A synthetic chemical’s appearance in public water supply wells raises questions of how to protect the public from unknown health hazards.

The combination of groundwater pumping and warmer temperatures is shrinking aquifers and lowering water tables in Arizona.