City considers adoption of revised water rate structure, future rate increases

The Wilsonville City Council has scheduled a public hearing on Dec. 2 at 7:30 p.m. at Wilsonville City Hall, 29799 SW Town Center Loop East, to consider adoption of a revised water-rate structure and future rate increases.

The current effort stems from a new look at the rate structure for various classes of water users — residential, commercial and industrial — along with capital and operational needs for maintaining the water utility system.

According to the city, the current water rates are based on an outdated cost-of-service analysis that was completed more than 15 years ago — prior to the city’s Willamette River Water Treatment Plant coming online.

The council is considering revising the rate structure that would be more equitable among user categories based on the recent cost-of-service analysis. Depending on the class of customer and other factors such as meter size and usage for domestic use or irrigation, rates would be adjusted up or down. However, the overall effect of the restructuring is be revenue neutral — meaning that the city will neither increase nor decrease overall water-rate revenue. If adopted, the new structure will take effect in January.

Simultaneously, the council will consider a resolution for a series of three annual rate increases of 2.25 percent that would go into effect starting January 2015 to cover capital and operations and maintenance costs. The cost to fund the expansion and additional capacity of the water system is not borne by ratepayers, but instead is financed by new development through the payment of systems development charges.

For more information, see the city’s website at

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