QWEL Certification Program   

This in-person dual certification course combines QWEL Irrigation Auditor and QWEL Graywater Installer training into a single, streamlined program. Designed for efficiency, this course allows participants to complete both certifications in one week—earning two industry-recognized QWEL credentials in one registration.

Participants will attend Irrigation Auditor training in the mornings and Graywater Installer training in the afternoons, completing all required coursework, hands-on activities, and exams for both programs, totalling 64 learning hours.

• Certification: Successful completion of this course fulfills the requirements for both the QWEL Irrigation Auditor and QWEL Graywater Installer certifications. 
• Hands-on Requirement: Installation of a greywater system and a live overhead spray irrigation audit.
• Exam Date: March 13th, 2026 (In-person).
• Format: In-person, lecture-based instruction with required hands-on components.

Note: This registration includes both QWEL courses at a bundled rate. Individual courses are also available separately.

This professional certification program is designed for landscape and irrigation professionals seeking to expand their expertise in on-site water reuse. This in-person course covers the QWEL Graywater reference materials, equipping participants with the knowledge and skills needed to design, install, and maintain safe, code-compliant graywater systems for residential landscapes.

• Key Topics: Water sources, sustainable landscaping, types of greywater systems, collection plumbing, feild sizing, distribution to lanscape, codes and permitting, future of graywater

• Hands-on Requirement: Installation of a graywater system

• Certification: To earn the QWEL Graywater certificate, you must complete the installation and pass the exam.
• Exam Date: March 13th (In-person).

Note: This registration is for the Graywater Certification portion only. To earn the Irrigation certification as well, please see our Dual Certification option.

Denver residence or Employed in Denver Registration fee is $50

This professional certification program is designed for landscape professionals looking to provide high-level water management services. This in-person course covers the full QWEL reference manual, providing you with the skills to design and maintain water-efficient landscapes that meet modern sustainability standards.

• Key Topics: Sustainable design, soil health, plant water needs, system troubleshooting, and controller programming.

• Hands-on Requirement: Participants must perform a live overhead spray irrigation audit.

• Certification: To earn the QWEL Irrigation Auditor certificate, you must complete the audit and pass the exam.
• Exam Date: March 13th (In-person). 

Note: This registration is for the Irrigation Auditor portion only. To earn the Graywater certification as well, please see our Dual Certification option