Original designs for living better, cheaper, & more ecologically since 1980

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Laundry to Mulch Basins the simplest, least expensive, lowest effort way to irrigate with residential greywater. Complete instructions for DIY and installing them as a business. Free.

The New Create an Oasis with Grey Water(book) How to choose, build, and use twenty different types of greywater systems. Revised and expanded 5th edition of the world's best-selling greywater book. $20.95

Flow splitters Fittings for automated greywater distribution to multiple outlets without filtration, pumping, or a surge tank. $12/ $15

Ecological design gallery
Nature and balance gallery
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"THANK YOU! What an awesome person you are and amazing community resource...its like drinking fresh water meeting someone like you! But why oh why aren't you the one that's in charge of watershed restoration????" —Understanding Water workshop participant

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Oasis Design is a wellspring of decades worth of original designs and content which you won't find elsewhere.

We specialize in the nuts and bolts of sustainability—practical systems for living well, in harmony with nature and each other. These include designs for managing water, wastewater, energy, money and other resources.

Our goal is to live really well, on a small amount of well-managed resources, and help others do the same.

There are several hundred pages of free information here on our web site, as well as an additional several hundred in our books and articles. Besides the hundreds of interlinked pages below, there are dozens of "easter eggs" which serve as hidden portals to our site, each baited with uniquely useful content on this or that obscure topic.

...and all this is the published 5% or 10% tip of a much larger unpublished iceberg. (If you'd like to help us publish more of this useful info...see Employment).

We hope you enjoy your visit, and find something which helps you thrive.

Yours, The Oasis Team

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About Oasis Design
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Catalog
Water Storage (book)
The New Create an Oasis with Grey Water (book)
Builder's Grey Water Guide (book)
Wild Water Wisdom (article)
Fruit tree chart
Invincible bearings
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Consulting
Site Evaluation Form
Ecological design examples
Eco village house
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Frequently asked questions

Grey water central
Common grey water mistakes
The New Create an Oasis with Grey Water (book)
Builder's Grey Water Guide (book)
Wild Water Wisdom (article)
Indoor grey water reuse
System selection chart (PDF)
Gray water workshop
Grey water Q&A
sistemas para aguas grises (en Español)
Grey water policy center
California greywater policy center
Builder's action summary
UPC&CPC improvements
IPC improvements
Stub outs

Composting toilets (book in progress)
Composting toilets Q & A

Transport/ bicycles
The Way of the Bicycle (book in progress)
Invincible bearings
Healthy is Sexy: Bike!
How safe is bicycling?
What does driving cost?

Ecological systems design
Principles of Ecological Design (article)
Ecological design photos
Education
Ecological design examples
Indigenous community
Nature & balance gallery
Free newsletter
Ecological design Q&A
Can a 4000 ft2 Home be Green?
Fruit tree chart
Web design
Permaculture
Links

Water Central
Water Storage (book)
Wild Water Wisdom (article)
Water quality testing (download)
Fecal coliform measurements
Eco village house
Indigenous community
Slow sand filters
Rainwater harvesting
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