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Oil transportation risk assessments and studies

Washington is experiencing rapid changes in the types of crude oils that are moving through the state, the methods used for oil transportation, and the locations where crude is moved. A major oil spill or fire could have severe consequences to public safety, the environment, local economies, and overall quality of life.

Container ship on the Salish Sea, mountains and city in the background.

Our risk assessments help prepare and plan for response to oil-related incidents that could impact major waterways. By evaluating when and how oil moves through the state and the associated risks, we can make recommendations for cost-effective spill prevention measures while protecting public health and safety, the state's economy, and the environment.

2014 study

2014 Marine and Rail Oil Transportation Study

We received one-time funding in 2014 to conduct a Marine and Rail Oil Transportation Study. The study analyzed the risks to public health and safety, and the environmental impacts associated with the transport of oil in Washington state.

We worked with several partners to complete the study, including Washington Utilities and Transportation Commission; Emergency Management Division; tribes; other federal, state, and local agencies; informal and formal public and private committees; organizations; industry; and the public.

More information

Columbia River Grays Harbor Salish Sea