Greywater
Treatment Methods
laundry to mulch basin system (oasisdesign.net):
PDF-Version:
It's the simplest, most economical residential greywater system—design open source franchise including: Introduction Design Calculator Parts Parts sources Maintenance Installers Installations photo album Comments
Online e-Books
Graywater Guide Book (Department of Water Resources of California)
Septic Systems Owner's Guide Book (Grand Valley State University)
help site-fact sheet: http://www.soil.ncsu.edu/publications/Soilfacts/AG-439-22/
A Homeowner's Guide to Septic Systems (American Environmental Protection Agency)
Links
Open Directory Project (human-edited internet directory) site on wastewater:
Stockholm Environment Institute - Ecological Sanitation Research: Sustainable Sanitation for the developing world; not open source but most publications are free of charge and worth reading
From the fund of the University of Natural Resources and Applied Life Sciences (BOKU), Vienna