30 Tex. Admin. Code § 217.201
This subchapter establishes the minimum design requirements for Imhoff tanks, constructed wetlands, facultative lagoons, aerated and partially aerated lagoons, stabilization lagoons, treated effluent storage lagoons, evaporative lagoon systems, and overland flow processes.
Source Note:The provisions of this §217.201 adopted to be effective August 28, 2008, 33 TexReg 6843.