PATROL Act

Preventing Aliens Through Rivers or Land Act or the PATROL Act This bill prohibits the Department of Justice (DOJ) from bringing certain civil actions against a state for building a physical structure impacting navigable waters along the U.S. border for security purposes. Specifically, the DOJ is prohibited from bringing an action for (1) the construction of a bridge, causeway, dam, dike, or other structure over or in a port, harbor, or other navigable water of the United States without federal approval; or (2) the creation of any obstruction to the navigable capacity of waters of the United States without federal approval.

Source: Congressional Research Service (CRS).