- Public Works
- Backflow Information
Irrigation Backflow Requirement Updates
New Rule TAC 344.51 (D)
(d) If an irrigation system is designed or installed on a property that is served by an on-site sewage facility, as defined in Chapter 285 of this title (relating to On-Site Sewage Facilities), then:
(1) all irrigation piping and valves shall meet the separation distances from the On-Site Sewage Facilities system as required for a private water line in §285.91(10) of this title (relating to Tables), concerning the minimum required separation distances for on-site sewage facilities;
(2) the irrigation system is designated a health hazard and any connections using a private or public potable water source shall be connected to the water source through a reduced pressure principle backflow prevention assembly as defined in §344.50 of this title (relating to Backflow Prevention Methods); and
(3) any water from the irrigation system that is applied to the surface of the area utilized by the On-Site Sewage Facility system shall be controlled on a separate irrigation zone or zones so as to allow complete control of any irrigation to that area so that there will not be excess water that would prevent the On-Site Sewage Facilities system from operating effectively.
Rule TAC 344.52 (A)
(a) If an irrigation system is connected to a potable water supply and requires major maintenance, alteration, repair, or service, the system shall be connected to the potable water supply through an approved, properly installed backflow prevention method as defined in this title before any major maintenance, alteration, repair, or service is performed.