Much of the cancer risk was driven by arsenic contamination. These systems were some of the smallest systems in the state, serving 10,000 residents or less, and relied heavily on groundwater.

“Arsenic is going to be an issue with groundwater in certain …

H2 oh no.

Sipping water from the tap in California over the course of a lifetime could increase the risk of cancer, according to a new study that found a variety of contaminants in drinks.

Scientists with the Environmental Working Group took an unfiltere…

LAKE TAHOE, Calif. —

Scientists have detected microplastic pollution in Lake Tahoe’s deep blue waters for the first time. Now they are trying to determine its source and potential harm to the lake’s flora and fauna.

Preliminary analyses of water samples …

Water Quality

The United States has one of the safest water supplies in the world. Over 90 percent of Americans get their tap water from community water systems, which are subject to safe drinking water standards.

Drinking water quality varies from plac…