Customer Service: 503-823-7770
GENERAL INFORMATION: 503-823-7404
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.