The attribute data for this point dataset come from the U.S. Energy Information Administration, Refinery Capacity Report, Table 3, Capacity of Operable Petroleum Refineries by State report, which is sourced from U.S. Energy Information Administration, Form EIA-820, Annual Refinery Report. The geographic area the report covers is the 50 States, the District of Columbia, Puerto Rico, the U.S. Virgin Islands, Guam, and other U.S. possessions.

The facility location data represent the approximate location based on research of publicly available information from sources such as Federal agencies, company websites, and satellite images on public websites.