Pasco Increases Water Utility Rates to Fund $260 Million Treatment Plant Replacement
Pasco, Washington, plans to raise water utility rates to fund a new $260 million water treatment plant to replace the aging Butterfield facility. Rate increases will occur from 2026 to 2029, with a projected increase of up to $22 in 2026 and a total increase of up to $71 by the final year. The city is seeking $80 million in low-interest loans while also aiming for enhanced water quality and sustainable practices.

Pasco, Washington, is raising water utility rates to finance a new water treatment plant, estimated to cost $260 million. The aging Butterfield Water Treatment Plant, built in the 1940s and operating at near-maximum capacity, necessitates replacement.
The city plans to increase combined monthly water and sewer bills by up to $22 in 2026 and a total of up to $71 by 2029. Pasco officials are pursuing $80 million in low-interest loans and are focused on improving water quality and sustainability as they enter the design phase of the project.




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