All work on keeping wells in satisfactory technical condition is performed in full. When performing works, drilling rigs UGB-1 VS, URB-2,5, UAZ, compressor, motor pump, electric pumps, mowers, chainsaws are used.

In order to prevent contamination of groundwater and groundwater through the wellhead or annulus, a control inspection of wells that have failed and are not suitable for further use and are subject to sealing. Execution of works is provided by the program “Maintenance of ecologically safe condition in zones of alienation and unconditional (obligatory) resettlement” (KPKV 2408110).

In order to protect groundwater from radiological and bacteriological contamination, liquidation tamponing of control and observation wells is carried out. There is also an additional inventory of the number and technical condition of wells in settlements deregistered in connection with the resettlement of residents from areas of unconditional (mandatory) resettlement after the Chernobyl accident, and liquidation of abandoned wells. The works are performed in accordance with the order of SAUEZ from 04.10.2012 № 144. When performing the works, vehicles, special equipment and the involved team of specialists of the site are used.