Water utilities in Altadena and Pacific Palisades are undertaking an arduous process of repressurizing their underground pipelines, testing for contaminants and attempting to flush them out.

The Santa Clara Valley Water District says after the dry start to the year, water levels at their reservoirs went from 70% of normal in mid-January to 82% by mid-February.

It’s been a slow start to the rainy season. The first major storm of the season is bringing much needed rain as San Diego County deals with the driest start to any winter in more than 170 ...

Along with much-needed water to the state’s reservoirs, the precipitation also brings dangerous driving conditions and the threat of local flooding.

Researchers at Stanford University developed a new method to measure water levels in the state’s aquifers using readily available seismic data.

Seismic measurement of Los Angeles’s depleted aquifers show a year of heavy precipitation hasn’t been enough to refill them ...

The greater Los Angeles area has long been the subject of intense seismographic monitoring. A network of highly sensitive ...

After an unusually dry January where most of Northern California went without rain for 27 days in a row, the storms have come ...

The Los Angeles area’s groundwater remained depleted even after a series of historic atmospheric rivers struck the region in ...

Forecasters said it is expected to deliver about 2 inches of rain to most Bay Area cities Thursday and Friday, 3 to 5 inches ...

California’s public school enrollment has been on a decline. After peaking at 6.4 million in 2004, enrollment tumbled to 5.8 million in 2023, in part because […] ...

First, President Donald Trump’s order to release water from two California dams raised expert concerns about flooding. Then ...