MUSKOGEE — The city of Hugo sued the state today, seeking to overturn Oklahoma 's moratorium on selling water to Texas .

Hugo's impetus: A contract approved Thursday for the Choctaw County city to sell vast amounts of water to Irving , Texas.

The lawsuit, filed in Muskogee's federal courthouse, claims the moratorium violates the Commerce Clause of the U.S. Constitution.

A similar lawsuit, filed...