Water treatment services; effluent treatment services; waste water treatment services; sewerage treatment and processing services; services relating to the chlorination and oxygenation of water; information services relating to the treatment of water and/or effluent and wastewater

Education and training services in relation to conservation, the sourcing of water, the operation of the water system, and the development of water resources; the production of film and video tapes including those relating to conservation and the water system; the arranging and conducting of colloquiums, conferences, seminars and symposiums including those relating to conservation and the water system; and the publication of texts and books including those relating to conservation and the water system

Services relating to the assessment and study of water supply requirements, irrigation requirements and wastewater and effluent treatment and disposal requirements; water conservation services; monitoring quality of water supplies; analysis of water supplies and wastewater; monitoring wastewater; testing and approval of plumbing and sanitary products and development of water resources; information services relating to the conservation of water