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Laundry to Landscape Graywater Systems for Homeowners and DIYers   

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

   

With supply shortages on the horizon, water conservation and water efficiency are more vital than ever to continue preserving such a precious resource. This class will cover the basics on how to build and operate a single family home, laundry-to-landscape (L2L) graywater system from your clothes washer to irrigate your outdoor landscaping. This course is intended for residents of single family homes interested in designing and installing 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 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 subsidized by the Denver Department of Public Health & Environment and the Colorado Water Conservation Board.

Section information for section 001 of Laundry to Landscape Graywater Systems for Homeowners and DIYers
Section Campus/Location Start Date End Date Day(s) of Week # of Sessions CEUs Fee
001 Rocky Mountain Education Center (opens in new tab) 5/7/2026 5/7/2026 Th 1 0.4 $25.00
 

 

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