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QWEL Graywater Certification

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 and October 22nd (In-person).

Note: This registration is for the QWEL Graywater certification. To earn the QWEL Irrigation Auditor certification please register for that course separately. Course fees are subsidized by the Denver Department of Public Health & Environment. Participants who live or work in the City and County of Denver are eligible for a discount.

Email graywater@denvergov.org to receive a promo code reducing the course fee to $50.

QWEL Graywater Certification
Cost: $295.00
Dates: 3/9/2026 - 3/13/2026
Times: 1:00 PM - 4:30 PM
CEUs: 3.2
Days: Daily
Sessions: 5
Seats: 19
Building: Environmental Training Center at RRCC
Room: 5102/5103
Instructor: Doug Pushard
REGISTRATION FOR THIS CLASS IS CLOSED. This class is already in session.
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 and October 22nd (In-person).
Note: This registration is for the QWEL Graywater certification. To earn the QWEL Irrigation Auditor certification please register for that course separately. Course fees are subsidized by the Denver Department of Public Health & Environment. Participants who live or work in the City and County of Denver are eligible for a discount.

Email graywater@denvergov.org to receive a promo code reducing the course fee to $50.
Graywater Course Only

QWEL Graywater Certification | 10/19/2026 | Drew Elmore | In-Person
Cost: $495.00
Dates: 10/19/2026 - 10/22/2026
Times: 9:00 AM - 4:00 PM
CEUs: 3.2
Days: M Tu W Th
Sessions: 4
Seats: 20
Building: Rocky Mountain Education Center
Room:
Instructor: Drew Elmore
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 and October 22nd (In-person).
Note: This registration is for the QWEL Graywater certification. To earn the QWEL Irrigation Auditor certification please register for that course separately. Course fees are subsidized by the Denver Department of Public Health & Environment. Participants who live or work in the City and County of Denver are eligible for a discount.

Email graywater@denvergov.org to receive a promo code reducing the course fee to $50.

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