(a) This chapter applies to any person who operates a wastewater dispersal system that:(1) injects processed commercial, industrial, or municipal wastewater effluent into the ground at a depth of not more than 48 inches; and(2) spreads the wastewater over the area so that the soil hydrologic absorption rate and crop/plant root absorption rate are not exceeded.(b) This chapter does not apply to:(1) wastewater disposal systems authorized under Chapter 285 of this title (relating to On-Site Sewage Facilities) and Texas Health and Safety Code (THSC), Chapter 366;(2) disposal systems for oil and gas waste, tar sands, sulfur, brine from desalination plants, and hazardous waste as defined by THSC, §361.003;(3) drainfields, leaching chambers, or other gravity trench systems;(4) subsurface drip irrigation systems that do not meet the definition of "Subsurface area drip dispersal systems," as defined in §222.5 of this title (relating to Definitions); or(5) systems regulated in §331.8 of this title (relating to Prohibition of Motor Vehicle Waste Disposal Wells and Large Capacity Cesspools).