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Public Alert – All City facilities, playgrounds, sports courts, and recreation equipment are closed through April 28 in an effort to mitigate the spread of COVID-19 in our community.

Get the latest coronavirus updates, cancellations, and information on our COVID-19 webpage.

Para actualizaciones sobre el coronavirus en español, visite a nuestra página de noticias.

Fluoridated Area Maps

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The City of Hillsboro Water Department does not add fluoride to the drinking water. However, Hillsboro Water Department customers living in the South Hillsboro Butternut Creek neighborhood will temporarily be served fluoridated water from the Tualatin Valley Water District while construction is completed on the Hillsboro Water Department’s water pipeline in South Hillsboro.

City of Hillsboro Fluoridated and Nonfluoridated Water Service Area
(Click on Map for Zoomable PDF)

  • The blue area is served non-fluoridated water by the Hillsboro Water Department.
  • The orange area (South Hillsboro Butternut Creek neighborhood) will temporarily be served fluoridated water from the Tualatin Valley Water District (TVWD). 
  • The tan area is served fluoridated water by the Tualatin Valley Water District.

City of Hillsboro Fluoridation Map. For accessibility assistance or questions, call the Water Department at 503-615-6702.

 
City of Hillsboro Western Washington County Nonfluoridated Water Service Area
(Click on Map for Zoomable PDF)

  • The blue area shows the area in rural Washington County served non-fluoridated water by the Hillsboro Water Department. 

Country Customers Fluoridation Map. For accessibility assistance or questions, call the Water Department at 503-615-6702. 

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