As an irrigation consultant/designer, there are many methods we can use to minimize landscape water usage. Product selection, sprinkler spacing, plant specific zoning, and smart technologies to name a few. What we, as irrigation professions, do not have control of is the plant species and site layout. A plant species will require a certain amount of water regardless of an irrigation design. It may not be feasible to zone a lone shrub with a group of other shrubs that are on the other side of the property.
Recently ANSI/ASABE S623 "Determining Landscape Plan Water Demands" has been published. It is a total of 14 pages, with cover sheet. This is an excellent read for any Landscape Architect or designer, who would like to reduce the water needed to keep their designed landscape aesthetically pleasing.
Feel free to post comments or questions about this standard!
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