Greywater Webinar Recordings

Greywater Webinar Recordings View the recording and download the pdfs for any of the 11 public webinars Greywater Action hosted in 2015/2016 here. 2015 Webinar List Greywater 101 Plumbing 101 for Greywater Installers Design and Install Your Own Laundry-to-Landscape System Gravity-Flow, Branched Drain Systems and Greywater Irrigation in Arid Climates Southern CA Fruit Trees 101- […]

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Commercial Scale Greywater Systems

Commercial Scale Greywater Systems Apartments, businesses, schools, and other situations with more water, more people, and more public exposure to the greywater will require a more complex and sophisticated system for reuse. These systems typically collect greywater in a large temporary tank, filter and disinfect it, and then pump it back to either flush toilets, or supply a […]

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Residential Greywater System Study

Residential Greywater System Study We have completed the report on the results of our study on residential greywater systems in Central California. (Download links below.) We studied 83 systems in the San Francisco Bay area, Monterrey Bay area, and the Santa Rosa area. We conducted interviews, collected and tested greywater and soil samples (analyzed at a […]

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Greywater Resources

1. Presentations and Webinars View the recordings and download the pdfs of Greywater Action’s past webinars here. Greywater 101 Plumbing 101 for Greywater Installers Design and Install Your Own Laundry-to-Landscape System Gravity-Flow, Branched Drain Systems and Greywater Irrigation in Arid Climates Southern CA Fruit Trees 101- How to Irrigate Your Home Orchard with Greywater Installing […]

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Greywater Codes and Policy

Greywater Codes and Policy Quick reference for state codes: Arizona, California, New Mexico, Oregon, Washington (Text on this page is an excerpt from © The Water Wise Home: How to Conserve, Capture, and Reuse Water in Your Home and Landscape, by Laura Allen ) Codes and Regulations Understanding your local greywater codes is important for a few reasons. […]

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Greywater System Examples

Greywater System Examples Laundry-to-landscape System: Exterior walled laundry roomA greywater irrigated landscape.Laundry-to-landscape System- Interior walled laundry roomGreywater going through floor to crawl spaceGreywater Systems in Freezing ClimatesEvergreen Lodge recycles nearly a million gallons of greywater a year. Kitchen Sink System- Branched Drain.3-way diverter valveLaundry DrumShower system with electronically controlled diverter valveActuator allows for electronic switchingBranched Drain […]

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Business Directory

This directory lists people and companies who’ve attended Greywater Action’s 5 day training for installers and existing greywater businesses in Greywater Action’s extended network. If you don’t see someone in your area, please visit this page for advice. Greywater Action Associates: After completing the 5 day course, these people have gone on to complete, install, and document […]

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Greywater Installer’s Course 5 Day




Greywater Action’s 5 day "Greywater design and installation course for installers"

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Laundry to Landscape

This is a low-tech system that provides easy  distribution of greywater to many plants. It is relatively low cost, and easy to install. The washing machine’s internal pump slightly pressurizes the greywater, so this system can irrigate plants that are slightly uphill or further away along flat ground.

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