This subchapter establishes the minimum requirements for Imhoff tanks, constructed wetlands, and all lagoons used to store treated, untreated, or partially treated domestic wastewater, including facultative lagoons, aerated and partially aerated lagoons, stabilization lagoons, raw influent storage lagoons, treated effluent storage lagoons, evaporative lagoon systems, and overland flow processes, except that lagoons used for reclaimed water under Chapter 210 of this title (relating to Use of Reclaimed Water) must comply with the requirements of that chapter.
30 Tex. Admin. Code § 217.201