LITTLE ROCK, Ark. - A federal judge in Arkansas on June 9 denied ExxonMobil Pipeline Co.'s motion to dismiss a lawsuit brought by the federal government and State of Arkansas over an oil spill by the Pegasus Pipeline in Mayflower, Ark., in March 2013, finding that the plaintiffs sufficiently stated claims under the Clean Water Act and state pollution laws (United States of America, et al. v. ExxonMobil Pipeline Company, et al., No. 13-cv-00355-KGB, E.D. Ark.).