Water treatment is expensive. It uses a lot of energy and produces its own waste that gets disposed of at a hefty price.

Lake Oroville hit capacity for the third year in a row this spring, marking a first-ever milestone for the lake.

What happened: The Senate voted 22-12 to approve SB 601, a bill meant to protect state waterways from federal rollbacks ...

Charter fishing crews in California harbors are preparing for recreational salmon fishing to reopen after a two-year shutdown ...

California officials sent water flowing to create new wetlands along the shores of the shrinking Salton Sea. The project is ...

Appliances that are among the leading causes of smog could be phased out in Southern California after regulators vote on Friday. The South Coast Air Quality Management District Governing Board ...

Dangerous ocean conditions could prove fatal at some California beaches, sparking warnings to stay out of the water.

Columnist Teri Sforza writes that new goals may involve shorter showers, recycled water and more conservation. Prepare!

The settlement agreement opens up the San Diego County Water Authority to cut deals with other water agencies to offload ...

For months now dolphins, whales, sea lions and pelicans have been found sick and disoriented on our local beaches because of domoic acid. That's now changing ...

San Diego County Water Authority and Metropolitan Water District announced the end of a 15-year legal battle on Monday.

California Water Service Group looks undervalued despite a weak Q1, backed by steady growth, low payout, and 58 years of ...