Greywater and human nutrient recycling

US$ 6.00

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Chapter 9

PDF download from the book

RetroSuburbia

Closing the loop on water and nutrients isn’t fringe behavior — it’s the foundation of resilient, self-reliant suburban living.

This 10-page chapter delivers hard-won greywater and nutrient-cycling wisdom covering:

  • Turning waste into fertility: Practical ways to capture the balanced nutrients in human waste and greywater to feed soil, reduce fertiliser dependence, and cut reliance on fragile centralised systems.
  • Safe humanure management: Simple bucket and wheelie-bin compost toilet systems, with clear steps for pathogen control, odour prevention, and safe application to trees and non-raw crops.
  • Greywater habits that matter: Everyday kitchen and bathroom practices — from minimising fats and detergents to rethinking soap and shampoo — that make greywater usable rather than toxic to soil life.
  • Low-tech treatment systems: Real examples including Melliodora’s stepped-bath system (worm farm → reed bed → pond) and branching pipe networks that distribute water safely to perennial food trees.
  • Regulation, reality & resilience: Why approval barriers persist, when diversion is allowed, and how households can still build systems that outperform expensive centralized infrastructure.

Examples from Melliodora, Abdallah House, and Milkwood show decades of safe, effective nutrient recycling — proving households can reclaim water, close the fertility loop, and restore soil health with simple, robust systems.

Description

This is a standalone chapter from David Holmgren’s RetroSuburbia book, available as a downloadable PDF.

As part of your purchase you’ll be added to the RetroSuburbia mailing list and receive regular updates and ongoing guidance from the RetroSuburbia team.

More RetroSuburbia chapters available here


About the Author

David Holmgren is best known as the co-originator with Bill Mollison of the permaculture concept following the publication of Permaculture One in 1978. Within the growing and international permaculture movement, David is respected for his commitment to presenting permaculture ideas through practical projects and teaching by personal example, that a sustainable lifestyle is a realistic, attractive and powerful alternative to dependent consumerism. As well as constant involvement in the practical side of permaculture, David is passionate about the philosophical and conceptual foundations for sustainability, which he explored in Future Scenarios: How Communities Can Adapt to Peak Oil and Climate Change (2009), and Permaculture: Principles and Pathways Beyond Sustainability (2002). RetroSuburbia: the downshifter’s guide to a resilient future (2018) is his manual for practical action. With an increasingly high profile as a public speaker, David Holmgren provides leadership with his refreshing and unorthodox approach to the environmental issues of our time. David lives with his partner Su Dennett at “Melliodora”, a one-hectare (2.5 acre) permaculture demonstration site at Hepburn Springs, Central Victoria, Australia. Visit his web site at holmgren.com.au.
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