Voluntary testing and long timelines hinder consolidation and remediation. Private wells unregulated; consolidation and cleanup likely years to decades away. Kathleen Quinn reported this story while ...

Sanford Hess and Michelle Jett answer two reader questions this week: on how the county board can address the effects of climate change at a local level, and how they'd ...

Beneath the surface of nearly every inhabited continent, vast stores of freshwater have been accumulating for thousands, sometimes millions, of years. These underground reservoirs, known as aquifers, ...

Newer groundwater, created by precipitation that has fallen within the past 70 to 75 years, has been exposed to more pollutants,” said Krzyzanowski.

In California's greatest farming region, there's a water crisis from overpumping groundwater. The state passed a law in 2014 to restrict overdrawing the aquifers, and the limits are going into effect.