Water Quality Reports

Protection of public health is the City of Hillsboro Water Department’s number one priority. The water customers drink and use every day is tested regularly to ensure every drop is safe and of the highest quality.

Each year, Hillsboro Water publishes Water Quality Reports - also referred to as Consumer Confidence Reports (CCRs) - for Hillsboro's three community water systems:

  • In-town Water System customers located west of Cornelius Pass Road and south of Highway 26 (Sunset Highway), as well as the area to the west between Hillsboro and Cornelius.
  • Upper-system Water System customers located in western Washington County along Hillsboro’s original water service line, from the community of Dilley, along Highway 47, then up to the community Cherry Grove.
  • Butternut Creek Water System customers located off SE Butternut Creek Parkway.

The reports detail: 

  • The outstanding quality, value, and reliability of Hillsboro's drinking water 
  • Information about drinking water sources
  • Levels of any contaminants found
  • Potential health effects of any contaminant detected at levels higher than the health standard
  • Contacts for additional information

Reports are prepared in accordance with the Environmental Protection Agency’s (EPA) Federal Safe Drinking Water Act and the Oregon Public Health Division requirements

2024 Reports
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