It’s been more than a decade since California became the first state in the nation to declare that clean, safe and affordable drinking water was a human right.

Yet nearly a million of its residents remain without access to potable water, many of them consuming contaminants from failed water systems, and facing a high risk of health issues.

Ironically, the richest state in the nation is also home to some of the latest technology around water desalination.

CGTN’s Ediz Tiyansan reports from Los Angeles.