Groundwater is one of the main sources of freshwater on Earth — it provides almost half of all drinking water, and about 40% of global irrigation. Person flies a drone into a deep fissure in ...

Phoenix gets its water from five main sources: the Colorado, Salt and Verde rivers, groundwater and reclaimed water. The vast majority comes from the rivers: the Salt and Verde contribute 52%, and ...

Additionally, groundwater may not always be clean enough for human use. Human activities carried out on the surface, such as sewage disposal and the overuse of pesticides and fertilizers, including ...

Groundwater supplies 90 percent of the nation’s drinking-water systems, ... State governments have traditionally been the main source of regulation for groundwater use.

No groundwater, no new homes, as Arizona severely restricts new housing Cities, developers will have to turn to costly sources to build new homes.

What’s new — In a study published Wednesday in the journal Science, researchers report that up to 20 percent of groundwater wells are at risk of running dry.This is based on an evaluation of ...

Researchers say holes in the clay that overlays the Memphis aquifer could have let pollutants from as early as the 1940s into the groundwater.

The Arizona Department of Environmental Quality will monitor four new water pollutants and enforce stricter limits on three others as part of a new set of rules. The rules are intended to ensure safe ...

The latest report compiles 2,870 open cases of groundwater contamination, some of which date back decades. Nearly every county in Texas is impacted by the problem. During 2023, Texas regulators ...