- Water supply and sewage systems;
- Construction of dams – the main functions of dams are irrigation and water supply;
- Dam walls - built on the river bed in order to obstruct the water flow and to form an artificial lake;
- Treatment plants;
- Fortifying of river banks, sea shores and landslides – resulting from various natural phenomena and climatic impacts, large earth masses lose their integrity, which leads to landslide formation. Fortunately, landslides are not of sudden nature and may be foreseen and prevented by technical means.
River adjustments – water draining systems and adjustments are made for the purpose of deviating and redirecting the water flow when it is probable that it may affect a real estate property or entails some other menace. Various methods of drainage and deviation of the water flow are employed.