Certified Landscape Water Manager
Certification gives you a competitive edge. Become a certified landscape water manager and
- add instant credibility with customers and employers.
- increase job opportunities.
- demonstrate your commitment to efficient water management.
CLWMs evaluate, operate, manage and improve landscape irrigation systems to achieve the highest level of water conservation possible. CLWMs
- evaluate site conditions and determine water availability and use requirements.
- have working knowledge of general irrigation theory, including hydraulics, soil-plant-water relationships, water requirements and electricity principles.
- understand irrigation equipment selection, use, restrictions and installation methods.
- identify and implement system upgrades and modifications, and manage the control system to provide the most efficient irrigation possible.
- provide direction to the end users on system use, scheduling, maintenance and water conservation.
Becoming a CLWM
To become a CLWM, you must:
- Register for the exam. Recommended three years of work experience in an irrigation-related field.
- Be a CLIA or CGIA in good standing.
- Pass the landscape water manager exam. The four-hour exam includes 150 equally weighted, multiple-choice questions on estimating water requirements and use, soil-plant-water relationships, water sources, hydraulics, sprinkler layout and zoning, scheduling, auditing, system maintenance and economics.
- Comply with the Code of Ethics.
- Remain in good standing. CLWMs must submit 20 continuing education units per two-year cycle.
CLWM Exam Fees
Landscape Water Manager Exam Fee — $250 (Member), $495 (Nonmember)
Exam Retake Fee — $200 (Member), $325 (Nonmember)
Annual Renewal Fee (one certification) — $50 (Member), $100 (Nonmember)
Annual Renewal Fee (two or more certifications) — $100 (Member), $150 (Nonmember)
See the Certification Candidate Handbook for exam policies, procedures and fees outside of North America.