Collaboration in Civic Spheres

Gas station pollution fix-it work from Seattle to Bellingham

by June 28th, 2012

Last year, Washington state and a Dutch corporation signed a contract to take care of leaking underground gasoline storage tanks at 40 former and current gas stations in King, Snohomish, Skagit and Whatcom counties. The work is tentatively expected to be completed by 2018. Washington’s Department of Ecology yesterday released an interactive map of the 40 sites. It allows users to drill down into details for each site including extent and type of pollutants released into the environment, clean-up project status, project documents, and name and address of site. (See our screen captures and navigation tips, below). Overall, the state has roughly 2,700 leaking underground storage tanks of all kinds.

Arcadis – a 124-year-old international engineering, consulting and design corporation based in Amsterdam with an American headquarters in a Denver suburb – is in charge of removing the tanks and contaminated soil for the gas station sites, which are owned by at least four corporations. Arcadis declined to comment on the individual contracts, their costs and names of its clients, citing confidentiality clauses in its contracts. However, the interactive map shows most of the sites belong to ARCO, with few owned by BP, the AM/PM convenience store chain and ConocoPhillips. Bundling numerous gas stations into one project makes the work more efficient for the clients and Washington to deal with, said Arcadis spokeswoman Debra Havins and ecology department spokesman Larry Altose

Arcadis will perform the cleanup of those sites under a voluntary state program in which the Ecology Department provides some technical assistance. The individual deadlines are more like guidelines and not etched in stone, Altose said. Havin said Arcadis is aiming to finish all the projects by 2018.

The Department of Ecology’s project map site provides a gateway into further information on each site. See our navigation tips below.


In the upper left-hand corner of the map’s start page, click on a county, for instance, Snohomish. That will take you to a section of the map for that county, where you can click on individual purple squares.

When clicked upon, each purple square goes to a project landing page for the associated pollution clean-up site, such as Arco 5377.

There, you can:

1) click on the “Facility Site ID number” in the upper right hand corner of the page for an aerial map view and the name and address of the site.

2) On the right side of the landing page you can also click on “View Electronic Documents” for any environmental reports on the site, and/or;

3) Click on “ISIS Site Summary Report.” That takes you to a new page which provides name and address of the site, owner’s name, project status, and at bottom under “Affected Media and Contaminants,” the names and relative degree of penetration of the chemical pollutants released to earth, water and air from the site’s leaking underground gas tanks.

Public Data Ferret’s Data Visualization+Environment archive

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