The River Mile 11 East (RM11E) project area, located along the east bank of the Willamette River just south of the Fremont Bridge, is part of the Portland Harbor Superfund Site. It is in the historic Albina area where historically a wide variety of industrial facilities and overwater operations, along with many current industrial and marine operations, have done business for more than 100 years.
Data collected for the larger Portland Harbor Superfund site indicates that there is potential for unacceptable risk from eating fish taken from the RM11E project area. Chemicals of concern identified in environmental samples include polychlorinated biphenyls (PCBs), pesticides, and polycyclic aromatic hydrocarbons (PAHs).
An Agreement and Order on Consent (AOC) between the U.S. Environmental Protection Agency (EPA) and the RM11E Group was finalized on April 15, 2013. The RM 11E Group includes a few of the entities, including the City of Portland, that either have in the past or currently own property and or have business operations in or near the project area. Members of the RM11E Group are:
- Cargill, Inc.
- CBS Corporation
- City of Portland
- DIL Trust
- Glacier Northwest, Inc.
These parties recognize the potential human and ecological health risks contamination poses at the site and have stepped forward to work with EPA and its partners to develop additional information needed to select and implement a cleanup remedy.
The RM11E Group is collecting additional data that will focus on implementability and recontamination:
- The Implementability Study will look at how physical site features, river dynamics, existing structures and ongoing business operations in this area will impact, and be impacted by, potential remedies such as dredging and capping.
- The Recontamination Study will assess whether potential sources of contamination such as chemicals in groundwater, stormwater and riverbank erosion have been adequately controlled to prevent future recontamination.
The additional work at RM11E will allow design and construction of the final remedy for the RM11E project area to begin quickly after EPA issues a final Record of Decision (ROD) for the Portland Harbor Superfund Site cleanup.
Go to the EPA’s RM11E web site to view the River Mile 11 E AOC and a scope of work.
The group is collecting additional data that will focus on implementability and recontamination.