Water technicians monitor, assess, maintain and repair water infrastructure- infrastructure that serves people, industry, agriculture, ecology and energy production. Water technicians also prevent urban and rural areas from being flooded. They monitor water and solve problems in emergencies such as floods, droughts and water contamination.

Water technicians operate water facilities and water supply systems. They carry our domestic connections for water supply and sewage disposal. They work in sewers, sewer systems, wastewater treatment plants and sludge treatment plants.

They may work for industrial and agricultural water users to ensure that water is produced in the quality and quantity needed and that it is returned to nature in good quality. 

Water technicians need to understand ecological systems, especially the water cycle. They must have mechanical, biological and chemical skills to ensure proper waster and wastewater treatment. They must also have interpersonal skills such as communication, teamwork and stress tolerance.

Water technicians are able to maintain pumps, repair water leaks and water meters. They conduct daily tasks such as measuring water flow and water quality. They also evaluate control systems and perform standardized electrical repairs. They are able to handle measuring devices such as sensors and photometers. 

Additionally, water technicians are trained for emergency situations such as unexpected pollution, rainwater, floods and droughts.