1. (a) Filter backwash disposal for new and existing pools and spas. Filter backwash water and pool or spa drainage water from new and existing pools and spas shall be discharged or disposed of in accordance with the requirements of TNRCC or local regulatory authority.
2. (b) No direct physical connection between a sewer and a new and existing pools or spas. There shall be no direct physical connection between a wastewater disposal system and a drain or recirculation system of a new or existing pool or spa. Backwash water or pool and spa draining water, shall be discharged through an air gap formed by positioning the discharge pipe opening at least two pipe diameters above the overflow level of any confining barriers which could cause flooding and submergence of the discharge opening, in the event that the disposal system should fail or by other means in accordance with TNRCC or other regulatory authority. Splash screening barriers are permitted as long as they do not destroy air gap effectiveness.
3. (c) Location of on-site sewage facility wastewater disposal lines for new and existing pools and spas. The location of on-site sewage facility wastewater disposal lines at a new or existing pool or spa shall be in compliance with 30 TAC, Chapter 285, On-site Sewage Facilities, Subchapter D, Planning, Construction and Installation Standards for OSSF's, §285.31 (relating to Setback and Separation Requirements) or other local regulatory requirements.
4. (d) Location of other wastewater disposal facilities or lines for new and existing pools and spas. The location of other wastewater disposal facilities or lines at a new and existing pool or spa shall meet applicable standards of the TNRCC or local regulatory authority.

Source Note:The provisions of this §265.196 adopted to be effective June 17, 1999, 24 TexReg 4365.