Customer Service: 503-823-7770
GENERAL INFORMATION: 503-823-7404
We've moved! Find our updated water quality information on our new site.
Find Cryptosporidium test results and information about treatment and risk reduction.
Where Portland's drinking water comes from and how the Portland Water Bureau treats your drinking water.
Portland’s test results from over 11,000 water samples collected each year.
Learn more about water quality concerns that may happen in the home and what you can do about them.
The flushing of water mains is part of the Water Bureau’s on-going water quality and system maintenance work.