taking water from a source such as groundwater or a river (1)

device attached to a pipe that can indicate a leak when the noise in the pipe changes (7)

searching for leaks and repairing them (7)

supplied with air (5)

containing oxygen (4)

rapid increase in the population of microscopic algae in water (4)

without oxygen (4)

farming of aquatic (water-living) organisms (1)

layers of underground rock that hold water (3)

systematic process of deploying, operating, maintaining and upgrading assets to ensure continuous water supply at minimal cost (9)

list of all the fixed assets of an organisation  with information pertaining to the assets (6)

components of a water supply system, such as the treatment plants, process units and all the equipment and facilities (6)

documentation of the sequence of activities that led to a given decision (8)