According to a study, various parts of the state have levels of arsenic in drinking water at higher than 5 micrograms per ...

Almost 400 water systems serving nearly a million Californians don't meet state requirements for safe and reliable drinking water supplies — and fixing them would cost billions of dollars. More ...

“Restoring drinking water service is one of the most vital steps in any disaster recovery,” said State Water Board Chair E. Joaquin Esquivel.