As between appropriators, the first in time is the first in right.
Official text of the Texas Water Code as published by the Texas Legislative Council.
Water Code › Title 2 › Chapter 11 › Subchapter B
Texas Water Code § 11.027
Rights Between Appropriators
Water Rights · Rights in State Water
Legislative history
Amended by Acts 1977, 65th Leg., p. 2207, ch. 870, Sec. 1, eff. Sept. 1, 1977.