Turning on the tap may seem harmless, but communities throughout the San Joaquin Valley are seeing unhealthy levels of toxins turn up in the water.

Kingsburg City Leaders say most residents could not tell anything was wrong with the drinking water, but years of testing showed unregulated chemicals were found.

“It’s not a sight or a taste or a smell thing,’ says Kingsburg City Manager Alex Henderson. “What it is is that we have to test for a number of chemicals and have for a very long time.”