Is pollution at old mill site reaching the Snohomish River?

EVERETT — There’s not enough data to show if contamination from a former Weyerhaeuser mill site in Everett is leaking into the Snohomish River, according to the state Department of Ecology.

The state made that call in 2016, but just this week announced a plan to take a closer look at the 9 acres just southeast of the Highway 529 bridge between Everett and Marysville.

“Due to workload issues and various other issues we haven’t pursued any more active cleanup activities,” said Ron Timm, cleanup project manager with the Department of Ecology.

The land was first cleaned up by former owners in 1999. Since then, Ecology has reviewed the site every five years on top of annual monitoring.

Now Ecology is calling for a year-long study to determine if arsenic in the soil is at risk of reaching the Snohomish River.

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