Kennewick Advances Water and Wastewater Projects Amid PFAS Concerns

Kennewick is upgrading its Ranney collector in Columbia Park to address PFAS contamination, having secured grant funding but needing tens of millions more for the project. Construction is also underway on a new wastewater treatment plant, including a greenhouse facility, to support future growth and maintain reliable service.

Published Mar 28, 2026

Kennewick is progressing on significant water and wastewater infrastructure projects to enhance water quality and treatment capacity. Upgrades to the Ranney collector in Columbia Park aim to address detected PFAS contamination, with the project requiring tens of millions in additional funding despite existing grants.

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Concurrently, construction on a new wastewater treatment plant is underway, featuring a greenhouse facility to support community growth. Both initiatives are critical for ensuring safe drinking water and effective wastewater management as Kennewick expands.