MARTIN-MARIETTA ALUMINUM CO.
THE DALLES, OR
Superfund Site Profile
Announcements and Key Topics
Over the past five years, several improvements have been made to the site:
- The scrubber sludge ponds had additional clean fill brought in, improving the soil cover over the contaminants
- Leachate from the CERCLA landfill is now treated using an ion exchange media with the cleaned water discharged to the City of The Dalles wastewater treatment system
- Air monitoring confirmed that the CERCLA ...
The 305-acre Martin-Marietta Aluminum Co. site is located in The Dalles, Oregon. Smelting operations took place at the site between 1958 and 1987. Site activities and years of improper waste ...
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