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The City of Portland, Oregon

Portland Water Bureau

From forest to faucet, we deliver the best drinking water in the world.

Customer Service: 503-823-7770


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Population & Service Area

  • Columbia South Shore Well Field Portland is fortunate to have a reliable and high quality supplemental source of water.

  • Seasonal Water Supply Planning The Water Bureau plans for seasonal changes in weather and long term supply planning.

  • Portland's Regional Water System Map Communities outside the city boundary are wholesale customers.

  • Portland's Water Demand goes Beyond City Limits The Water Bureau's service area includes several suburb cities who are wholesale customers.

Portland's service area covers parts of Multnomah, Washington, and Clackamas counties in Oregon.

The Portland water system serves drinking water to more than 955,800 Oregonians, almost one-quarter of the population of Oregon. The Portland Water Bureau’s retail and wholesale service area is approximately 225 square miles. Of that, Portland’s current retail service area is approximately 143.3 square miles.

In FY 2019-20, the Water Bureau directly served a population of more than 645,500 people in 153,900 residential households (both single and multi-family residences) and 20,000 commercial and industrial customers.

Portland's wholesale customers served an estimated population of more than 350,300 in FY 2019-20.

Seasonal Water Supply Planning

Seasonal and regional water supply planning and current water supply

Wholesale & Regional Partners

Wholesale customers & Regional Water Providers Consortium