Shell Oil Co Willbridge Plt is a superfund site located at 5880 N.w. St Helens Rd, Portland, OR 97210. The Environmental Protection Agency (EPA) identifies sites such as Shell Oil Co Willbridge Plt because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Shell Oil Co Willbridge Plt is currently registered as an Active superfund site by the EPA. Because it is part of a site that's on the NPL (National Priorities List), Shell Oil Co Willbridge Plt is considered a mid-level risk hazardous waster site identified by the EPA.