Tex. Water Code § 49.509
(a) Subject to Subsection (d), the Rio Grande Regional Water Authority annually at its January meeting shall calculate the current market value by using the average price per acre-foot of municipal use water after conversion from irrigation use water to municipal use water with a municipal priority of allocation under commission rules of the last three purchases involving:
(c) The Rio Grande Regional Water Authority shall make the calculation:
(d) For purposes of this subsection, "outer boundaries of a district" means a district's boundaries without considering any exclusion of land from inside the district. The Rio Grande Regional Water Authority shall exclude from the calculation of current market value under Subsection (a) any sale between a municipal water supplier and a district if any territory inside the outer boundaries of the district is:
Added by Acts 2007, 80th Leg., R.S., Ch. 1430 (S.B. 3), Sec. 2.24, eff. September 1, 2007.
Acts 2009, 81st Leg., R.S., Ch. 438 (H.B. 2208), Sec. 1, eff. September 1, 2009.