The ground water level monitoring carried out by Central Ground Water Board, Southern Region, and Hyderabad during 2020-21 is compiled in the form of Ground Water Year Book. It outlines the ground water level behaviour in the current year with reference to the corresponding periods of previous year and also with last decadal mean. It also elaborates the chemical quality of ground water. The water level data of Groundwater and Water Audit Department of Andhra Pradesh state has also been considered to study the water level behavior. It also elaborates the chemical quality of ground water.