The last time Henderson and the Las Vegas Valley Water District conducted testing was 2022, so the latest report reflects old ...

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 ...

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 ...

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

A new study published in the journal Environmental Science & Technology and led by researchers at Columbia University Mailman ...

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

Stage 3 water restrictions are triggered by the combined capacities of Lake Corpus Christi and Choke Canyon — the city’s main sources of water — dropping below 20%.

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 ...