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Graywater Best Management Practices - Residential

Common Graywater Mistakes and Preferred Practices (Webpage)

Art Ludwig, Oasis Design, 2009


Graywater: The Next Wave (2004, 80 pp, Book)

Curtis McLamb, Graywater Resource, Inc.

This book is a complete guide to conserving laundry and bath water-graywater-for use in landscape watering. A step-by-step guide and photographs teach you how to install a near-surface drainfield at a fraction of the cost of the methods employed in conventional graywater systems. Newly researched methods of graywater disinfectant are also detailed, which have less impact on plants and the environment. It also includes a complete guide for homeowners with septic systems, which covers the primary reasons for their failure, and steps for preventing their failure.


Greywater 101: How to Replumb your Bathroom (Webvideo)

FairCompanies - Community and access to tools on sustainable culture.



Greywater Information Central (Webpage)

Art Ludwig, Oasis Design, 2009

All aspects of greywater systems. Why to use them, how to choose, build and use them, regulations, studies, and examples. Includes greywater irrigation, greywater treatment, greywater filters, and indoor greywater reuse.


Greywater.  What it is . . . how to treat it . . . how to use it  (2000, Website)

Carl Lindstrom

This website provides an overview, treatment options, sample installations, and references.



Greywater Technical Resources (Webpage)

Greywater Action – For a sustainable water culture.


Laundry to Landscape Grey Water System  (Webpage, PDF and DVD)

Art Ludwig, Oasis Design, 2009

Compilation of current best management practices for building your own Laundry to Landscape System


The New Create an Oasis with Greywater  - Choosing, Building and Using Greywater Systems — Includes Branched Drains  Revised and Expanded 5th Edition (2006, Book)

Art Ludwig, Oasis Design

This book describes how to quickly and easily choose, build, and use a simple greywater system. Some can be completed in an afternoon for under $30.  It also provides complete instructions for more complex installations, how to deal with freezing, flooding, drought, failing septics, low perk soil, non-industrialized world conditions, coordinating a team of professionals to get optimum results on high-end projects, and “radical plumbing” that uses 90% less resources.


Reclaimed Water Conservation System For Flushing Toilets (Standard #IAPMO IGC 207) (PDF)

International Association of Plumbing and Mechanical Officials (IAPMO)

The purpose of this standard is to establish a generally acceptable standard for a reclaimed water conservation system for flushing toilets.The State of Oregon references this standard allowing “IAPMO IGC 207” listed equipment to treat graywater for toilet flushing.



Safe Use of Household Greywater (Webpage, 1994)

New Mexico State University


Water Reuse Standards and Verification Protocol (2005, PDF)

Canada Mortgage and Housing Corporation

This report documents the results of an international survey of residential water reuse standards with respect to types of application and appropriate biological, biochemical and physical water quality parameters. Specific to municipal and residential application, the report also features a review of existing technology verification protocols for water treatment systems with potential for reuse, discussing such issues as monitoring and sampling parameters.


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