FILE - This July 1, 2014 file photo shows the dry banks of La Plata River in Naranjito in central Puerto Rico. The island has plunged further into a drought that has forced new rationing measures across the U.S. territory. The U.S. Drought Monitor said Thursday, Aug. 13, 2015 that 25 percent of the island is now in an extreme drought, and another 45 percent is experiencing a severe drought. (AP Photo/Ricardo Arduengo, File)