Trust the Tap

May 06, 2021

The San Diego County Water Authority and its 24 member agencies are committed to providing safe and reliable drinking water to all of their customers. The water that is delivered to homes and businesses is rigorously treated and continuously monitored to ensure that it is pure and of the highest quality.

When you turn on the faucet, you can trust that your drinking water:

  • Is clean, safe and affordable 
  • Is treated to eliminate viruses, including coronaviruses and bacteria
  • Is tested to meet strict government standards

To learn more about the quality of your water, go to:

To learn more about your local water provider, go to:

Water is a precious resource, please use it wisely.


Jon Foreman visits the Olivenhain Reservoir and talks with Senior Systems Operator Javier Chavez about how the Water Authority tests samples from the reservoir to provide data to multiple member agencies and ensure that regional drinking water is safe and reliable.
Jon Foreman visits the Twin Oaks Valley Water Treatment Plant and talks with Water Authority Operations and Maintenance Manager Chris Castaing about how the plant uses a multi-barrier treatment process to remove and kill viruses and bacteria.
Jon Foreman visits a Vista Irrigation District lab to talk with Water Distribution Supervisor Dean Farris about how water is tested around the clock with the latest technology to ensure that they deliver the highest quality water possible.