Control algorithms of infiltration water intake under uncertainty

First elements of water supply system are the processes of the fresh water intakes from the environment. The quality of the fresh water determines clearly technological processes of water treatment. The main goal of these processes to be obtained is the final product - water with the highest health values. Taking into account the various environmental pollutions, there are often analyzed solutions with the natural treatment processes. One of them is by using the artificial infiltration process based on pumping surface water (from a river or a lake) to the ground and next obtaining this ground water after primary filtration in the ground. Identification of hydro-geological processes in the ground is very difficult problem for control purposes. From the methodological point of view, control of infiltration water intakes creates tasks of control in the state of uncertainty. In the paper there is described the method of a complex infiltration intake's control using reduced hydrogeological models in chosen operational conditions. There is indicated a multilayer structure of a control system depending on different level of information about controlled objects and processes. The developed control algorithms are compared with the operation results collected for a real water intake.