Is Hillsboro Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Yes. Tap water in Hillsboro, Oregon, is treated and regulated under Oregon and U.S. drinking water standards, and it is considered safe to drink.
The city’s water supply comes from regional surface-water sources and undergoes treatment and testing before distribution. If your home has older plumbing, run cold water briefly after it has been sitting to reduce potential lead exposure.
Last checked: 2026-08-31
United States is ranked as number 9 globally with a score of 96.4% in the water quality EPI research conducted by Yale University.
Source of Water in Hillsboro, United States
Hillsboro tap water comes from two primary regional sources: Portland’s Bull Run watershed and the Joint Water Commission system. The Joint Water Commission uses water from the Tualatin River, Hagg Lake, and Barney Reservoir.
The City of Hillsboro receives treated water through regional water supply agreements and distributes it through the city’s water system. The blend of sources varies depending on season, demand, and regional operating conditions.
Hillsboro Drinking Fountains
Public drinking fountains in Hillsboro are generally safe to use because they are typically supplied by regulated municipal drinking water that meets state and federal quality standards. Use fountains that are operating normally and appear clean.
Avoid any fountain marked out of service, damaged, or visibly dirty, and let the water run briefly before drinking. People with weakened immune systems may prefer bottled or filtered water if a fountain’s maintenance is uncertain.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Hillsboro. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.
Nearby Places
About the Author
Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.
I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.
Safe, clean tap water isn't just my job, it's something I truly care about.