Tex. Natural Resources Code § 131.303: INJUNCTIVE RELIEF AND CIVIL PENALTY.

If a person violates or threatens to violate a rule, order, or permit issued by the commission under this subchapter, the commission may request the attorney general to institute an action to obtain a permanent or temporary injunction, temporary restraining order, or other appropriate order enjoining the violation or threatened violation, or to recover a civil penalty of not more than $10,000 a day for each violation or threatened violation, or for both injunctive relief and civil penalty. The action shall be brought in a court of competent jurisdiction in Travis County, in the county in which the violation occurred, or in the county of residence of any defendant.

Added by Acts 1985, 69th Leg., ch. 921, Sec. 7, eff. June 15, 1985.