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Motiva, the largest crude oil refinery in the United States, can be seen in the distance from Port Arthur on Wednesday, Sept. 20, 2017. Flood-damaged debris is piled outside of homes in the foreground.

Motiva, the largest crude oil refinery in the United States, can be seen in the distance from Port Arthur. Flood-damaged debris is piled outside of homes in the foreground. Credit: Michael Stravato for The Texas Tribune

Motiva, the largest crude oil refinery in the United States, can be seen in the distance from Port Arthur on Wednesday, Sept. 20, 2017. Flood-damaged debris is piled outside of homes in the foreground.