Tex. Nat. Res. Code § 91.456

If a person is operating a saltwater disposal pit in violation of this subchapter or the commission's rules, standards, or specifications, the commission may have the attorney general institute a suit in a district court in the county in which the saltwater disposal pit is located for injunctive relief to restrain the person from continuing to operate the pit in violation of this subchapter or the rules, standards, or specifications of the commission.