(a) The district may impound storm and flood waters and the unappropriated flow waters at one or more places and in an amount approved by the Texas Commission on Environmental Quality by constructing one or more dams inside or outside the district in Wise County. In exercising its powers under this subsection, the district shall comply with Subchapters A-D, Chapter 11, and Subchapter B, Chapter 12, Water Code.
(b) A dam or other works for the impounding of water under this section may not be constructed until the plans for the dam or other works are approved by the Texas Commission on Environmental Quality.