International Ecological Engineering Society (IEES) provides a common forum for diverse persons and groups involved in ecological engineering projects. These include traditional engineers, marine biologists, ecological economists, development workers, and many others.
On-site NewZ Blog…an information service for the on-site domestic wastewater management industry in New Zealand.
OSET test results. This website provides some reports of the On-site Effluent Testing (OSET) National Testing Programme (NTP), Rotorua.
Engineers for Social Responsibility : A New Zealand organisation that aims to raise the awareness of the engineering profession to the consequences of its activities
Lanfax Labs: This is the website of Lanfax Laboratories in Armidale, New South Wales and contains some very good information on a number of topics related to on-site wastewater systems, e.g. composition of common laundry products, impact of wastewater on soils and peat mounds for treating wastewater .