Frequently Asked Questions - General Questions
Questions that don't fit one of the more specific categories.
The Portland Harbor Superfund Site study area is the Willamette River between Sauvies Island (River Mile 1.9) and the Broadway Bridge (River Mile 11.8).
The Lower Willamette Group (LWG) is composed of the ten parties who signed a legal agreement with EPA to conduct the remedial investigation and feasibility study of the Portland Harbor Superfund Site and four other parties who have contributed financially to teh project. The LWG is a small subset of potentially responsible parties identified by EPA.
The LWG has paid the costs of the Remedial Investigation and is conducting the development of the Feasibility Study.
Members of the LWG are:
- Arkema Inc.
- Bayer CropScience, Inc.
- BNSF Railway Company
- Chevron USA Inc.
- City of Portland
- ConocoPhillips Company
- Gunderson LLC
- Kinder Morgan Liquids Terminals
- NW Natural
- Evraz Inc. NA, dba Evraz Oregon Steel
- Port of Portland
- Siltronic Coproration
- TOC Holdings Co.
- Union Pacific Railroad Company