Tex. Water Code § 12.014

The commission shall make use of surveys, studies, and investigations conducted by the staff of the commission in order to ascertain the character of the principal requirements of the district regional division of the watershed areas of the state for beneficial uses of water, to the end that distribution of the right to take and use state water may be more equitably administered in the public interest, that privileges granted for recognized uses may be economically coordinated so as to achieve the maximum of public value from the state's water resources, and that the distinct regional necessities for water control and conservation and for control of harmful floods may be recognized.