About greywater reuse, focusing on misconceptions and what can go wrong.

About septic systems and other treatment systems suitable for households, residential subdivisions, and other dwelling clusters, including innovative technologies. From Tennessee Valley Authority.

About small-scale solutions for water conservation: dry toilets, rainwater harvesting, constructed wetlands for greywater treatment, and organic gardening.

About septic systems and other small-scale onsite wastewater management.

Technical information on greywater characteristics, Clivus greywater system designs.

Extensive information about grey water systems: Why to use them, how to choose, build and use them, graywater regulations, studies, and examples.

Information about legal aspects of grey water systems, inspections, codes, permits and case studies.

How to process greywater from shower for toilet flushing in a simple and sustainible way

Illustrated multiple-part explanation of how sewer systems and septic tank systems really work, with related links.

Training for designers, manufactures, installers, regulators, and homeowners, in the installation, operation, and maintenance of onsite wastewater treatment systems.

Mississippi State University fact sheet on septic tanks and soil absorption systems for household sewage and wastewater.

The LeSueur System uses extended aeration and attached growth biological processes to produce cleaner effluent, which allows for a smaller drainfield.

Provides information about alternative waste water systems for home owners or communities serving fewer than 10,000 people who treat wastewater via septic systems. Includes publications, services and databases of related information.

The National Onsite Wastewater Recycling Association, Inc. (NOWRA) was founded in 1991 as a national professional organization to advance and promote the onsite wastewater industry.

Site has information on septic system technology and other onsite sewage treatment options. (Nova Scotia provincial research program.)

Comprehensive information source on standard and alternative septic systems and technology research and demonstration, with particular focus on Minnesota.

Fact sheet on septic systems and their proper maintenance, particularly to prevent environmental contamination.

How septic systems function, what causes them to fail, information and products to help prevent them from failing.

Septic system questions, answers and searchable directory of over 5,000 septic system professionals. Also includes a homeowner Septic System information section.

Seeking alternatives and replacements for septic systems. Information for home owners and professionals.