Today, U.S. Sen. John Barrasso (R-Wyo.) and Sen. David Vitter (R-La.), top Republican on the Environment and Public Works Committee, led a group of Senators in a Dear Colleague letter, regarding the nomination of Kenneth Kopocis to be the Assistant Administrator for EPA's Office of Water. The letter states the Senators' concern surrounding Kopocis' involvement in EPA's attempt to significantly expand its authority under the CWA.

"Both Congress and the U.S. Supreme Court have made it clear that there are limits to federal authority under the Clean Water Act, yet EPA refuses to listen," wrote the Senators. "The upcoming vote on Kenneth Kopocis to lead EPA's Office of Water is an opportunity to make clear that you are not simply rubberstamping the President's policies when it comes to expanding EPA's reach over our nation's waters."

Signing today's letter are Sens. Barrasso, Vitter, James Inhofe (R-Okla.), Mike Crapo (R-Idaho), Roger Wicker (R-Miss.), and Deb Fischer (R-Neb.).

Click here to read today's Dear Colleague letter.