After finding forever chemicals in its drinking water, this Eastern Oregon city stopped testing for them

By Antonio Sierra (OPB)
Oct. 14, 2025
It’s been two years since Hermiston officials revealed Eastern Oregon’s largest city had “forever chemicals” in its water supply. It may be years more before Hermiston residents get more information about the discovery.

Without federal rules, Lay said local and state governments could still take some action by collecting more data and identifying potential polluters. A definitive source of PFAS in Hermiston has yet to be identified. Lay said the chemicals found in the water have been linked to agriculture and data centers, two growth industries in the region.

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