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Laundry to Landscape Graywater Systems for Homeowners & DIYers   

Designing and Building a Residential Laundry-to-Landscape Graywater System

As water conservation becomes increasingly critical due to supply shortages, this course teaches you how to design and build a residential laundry-to-landscape (L2L) graywater system that complies with Denver and Colorado regulations.

This class is ideal for single-family homeowners interested in using graywater from their clothes washer to irrigate outdoor landscaping efficiently and sustainably.

Red Rocks Community College is a Professional Certifying Organization (PCO) for the EPA’s WaterSense program, committed to promoting water-efficient products and smart water use.

Additional Information:

  • Course Duration: 4 hours

  • Cost: Free (tuition covered by the Denver Department of Public Health & Environment and the Colorado Water Conservation Board)

  • Certification: Successful completers are eligible for QWEL Certification.
  • Laundry to Landscape Graywater Systems for Homeowners & DIYers
  • Cost: $25.00
    Dates: 10/27/2025 - 10/27/2025
    Times: 12:00 PM - 4:00 PM
    CEUs: 0.4
    Days: M
    Sessions: 1
    Seats: 40
    Building: Environmental Training Center at RRCC
    Room: 5102/5103
    Instructor: Doug Pushard

    Designing and Building a Residential Laundry-to-Landscape Graywater System

    As water conservation becomes increasingly critical due to supply shortages, this course teaches you how to design and build a residential laundry-to-landscape (L2L) graywater system that complies with Denver and Colorado regulations.

    This class is ideal for single-family homeowners interested in using graywater from their clothes washer to irrigate outdoor landscaping efficiently and sustainably.

    Red Rocks Community College is a Professional Certifying Organization (PCO) for the EPA’s WaterSense program, committed to promoting water-efficient products and smart water use.

    Additional Information:

    • Course Duration: 4 hours

    • Cost: Free (tuition covered by the Denver Department of Public Health & Environment and the Colorado Water Conservation Board)

    • Certification: Successful completers are eligible for QWEL Certification.


    Learn how to design and build a residential laundry-to-landscape graywater system compliant with Denver and Colorado regulations.

    With supply shortages on the horizon, water conservation, and efficiency are more vital than ever to continue preserving such a precious resource. This class will cover the basics of building and operating a single-family home, laundry-to-landscape (L2L) graywater system from your clotheswasher to irrigate your outdoor landscaping. This course is intended for residents of single-family homes interested in designing and installing a L2L system.

    You will learn:

    · Colorado Graywater codes and regulations for L2L systems
    · Estimating graywater supply of L2L systems
    · Correctly sizing the distribution system
    · Plants appropriate for your graywater
    · How to plumb your clothes washer to divert graywater outside the house

    Red Rocks Community College is a Professional Certifying Organization (PCO) for EPA's WaterSense program. WaterSense and its partners are committed to bringing water-efficient products to market, labeling new homes, and spreading the word about the need for smart water use.

    This is a four-hour course. Tuition will be covered by the Denver Department of Public Health & Environment and the Colorado Water Conservation Board. This class is free to enroll in and successful completers are eligible to earn QWEL Certification 
 

 

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