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| 21 Zones |
The irrigation plan showing the actual installation of the irrigation system is provided to the irrigation system owner or the owner’s representative as part of the final walk through. The irrigator must maintain a copy of the plan for a period of three years.
All irrigation systems must be designed, installed, maintained, altered, repaired, serviced, and operated in a manner that promotes water conservation.
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| Drip Irrigation in All Garden Beds |
A rain or moisture shut-off device or similar technology is required on (1) all new irrigation systems that have an automatic controller and (2) all replacements of automatic controllers at existing irrigation systems.
Irrigation in Texas is regulated by the Texas Commission on Environmental Quality (TCEQ) (MC-178), P.O. Box 13087, Austin, Texas 78711-3087. TCEQ’s web site is: www.tceq.state.tx.us.

