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Drinking Water Program
About Our Water Program
The basis for the Beaverton Water Program is the Water System Facility Plan (master plan), maintenance history maintained by the Engineering Division, and City participation in Joint Water Commission (JWC) projects.

Like the other water purveyor agency programs, the City of Beaverton’s Drinking Water Program includes both increased-capacity projects and replacement projects. The City’s water system is comprised of approximately 262 miles of piping ranging in size from 2-36 inches. The City’s ongoing replacement of old system components and expansion of the water infrastructure system will provide improved water service and fire protection to existing City water customers and increased water supply to ensure public health and accommodate expected growth.

System Capacities
The City of Beaverton maintains a total of 28.25 million gallons of stored water in five reservoirs, which is distributed by gravity from City reservoirs to customers. In addition, the City uses a natural storage system called aquifer storage and recovery (ASR) to store up to an additional 450 million gallons of treated water. ASR involves pumping drinking water from the City’s water treatment plant (the same water we drink every day) into natural underground basalt formations, or aquifers, where it is stored for later use.

ASR is a tool the City is using as an alternative means to increase the water supply by up to 6 million gallons per day during the summer months. With the current average City water demand of 8-9 million gallons per day, the City has more than a four-day supply of stored water in reservoirs and ASR wells.

Drinking water sources