Tex. Gov't Code § 481.129

The permit office shall consult and cooperate with the Natural Resource Conservation Commission in conducting any studies on permits issued by the Natural Resource Conservation Commission. The Natural Resource Conservation Commission shall cooperate fully in the study and analysis of the procedures involving the issuance of permits by that commission and shall, in any report issued, evaluate all alternatives for improving the process pursuant to the permit office's responsibilities under Section 481.123. The permit office and the Natural Resource Conservation Commission shall jointly submit any report required under Section 481.123.