Tex. Spec. Dist. Code § 8506.114
(a) Notwithstanding any right or permit to use the water of the Colorado River and its tributaries for the generation of hydroelectric power that was issued by the former State Board of Water Engineers, was in existence as of May 2, 1935, and is acquired by the authority, the impounding and use of the floodwaters of the Colorado River and its tributaries for the generation of hydroelectric power by the authority or a person who succeeds to the rights and privileges conferred on the authority by this chapter are subject to the rights of any other person who before May 2, 1935, was impounding or as of that date was putting to beneficial use any water for the purposes described by Sections 11.024(1) and (2), Water Code, if the person:
(b) This chapter may not be construed to subject to condemnation by the authority or any successor of the authority, or by any person who succeeds to the rights and privileges conferred on the authority by this chapter, any water:
(d) The rights of the authority to impound, use, or sell the water of the Colorado River and its tributaries for the generation of hydroelectric power are subordinate and inferior to the rights of:
Added by Acts 2015, 84th Leg., R.S., Ch. 855 (S.B. 1162), Sec. 1.05, eff. April 1, 2017.