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Comment sought on groundwater cleanup for Bothell site

The Department of Ecology (Ecology) seeks public comment on a second amendment to an agreed order with the City of Bothell outlining plans to clean up groundwater contamination at a property acquired by the city acquired by the city for its Bothell Crossroads State Route 522 realignment project.

The city plans to realign SR 522 one block to the south to improve flow for vehicle, pedestrian and bicycle traffic.

The two-acre parcel, a former gas station purchased by the city in the 1990s, is located at N.E. 180th Street and Woodinville Drive.

Tests in 2008 indicated that petroleum contamination remained in soil and dry-cleaning solvents were present in groundwater from off-property sources. The city removed contaminated soil in 2010 under a work plan and an amendment to the agreed order approved by Ecology.

Ecology now proposes to approve a plan to install four wells to extract contaminated groundwater and discharge it into the sanitary sewer. The city would sample and test the groundwater until solvents remain within state cleanup standards for at least a year.

A public comment period on a second amendment to the agreed order, the cleanup plan, and an environmental determination of non-significance concludes on April 1. Comments may be sent to Sunny Becker, Site Manager, Dept. of Ecology, 3190 160th Ave. S.E., Bellevue WA 98008 or sunny.becker@ecy.wa.gov.

For more information and background on this proposal, please see Ecology's fact sheet at https://fortress.wa.gov/ecy/gsp/DocViewer.ashx?did=18919.

For details on the site, including website links to the amendment to the agreed order, work plan and determination of non-significance, please see:

https://fortress.wa.gov/ecy/gsp/Sitepage.aspx?csid=6240

For details on Bothell’s municipal campus expansion:

http://futureofbothell.com/projects/park-at-bothell-landing

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