Yes, if the septic system is sanitary and meets the standards of the Texas Commission on Environmental Quality, including any routine inspections required by law.
Source Note: The provisions of this §747.3229 adopted to be effective September 1, 2003, 28 TexReg 1462; transferred effective March 9, 2018, as published in the Texas Register February 16, 2018, 43 TexReg 909