The Certified Irrigation Designer engages in the preparation of professional irrigation designs. The CID evaluates site conditions and determines net irrigation requirements based on the needs of the project. The designer is then responsible for the selection of the most effective irrigation equipment and design methods. The objective of a CID is to establish specifications and design drawings for the construction of an irrigation project.


The Certified Landscape Irrigation Auditor is involved in the analysis of landscape irrigation water use. Auditors collect site data, make maintenance recommendations and perform water audits. Through their analytical work at the site, these irrigation professionals develop irrigation base schedules.


An efficient landscape irrigation system requires not only water-efficient products, but also proper design, installation, maintenance, and auditing. EPA's new partnership program, WaterSense, recognized the importance of water-efficient irrigation practices and in October 2006 released three separate irrigation certification program specifications. These specifications cover programs for irrigation system designers, auditors, and installation/maintenance professionals. WaterSense labeled programs must meet the criteria set out by EPA and include water efficiency as a key component.

Once a certification program has been labeled by WaterSense, irrigation professionals that earn that certification may sign a partnership agreement with WaterSense, irrigation professionals that earn that certification may sign a partnership agreement with WaterSense and join as a program partner. Professionals who hold a valid certification from a WaterSense labeled program may sign a partnership agreement with EPA upon receipt or renewal of their certification.
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