Contamination of groundwater sources due to over-abstraction and discharge of polluting substances has been a long standing problem in most parts of the country. In 1974, a legislation was specifically enacted to regulate and prohibit water pollution.
The West Liaohe River Basin (WLRB) is one of the most sensitive areas to climate change in China and an important grain production base in the Inner Mongolia Autonomous Region of China. Groundwater depletion in this region is becoming a critical issue. Here, we used the Gravity Recovery and Climate Experiment (GRACE) satellite data and in situ well observations to estimate groundwater storage (GWS) variations and discussed the driving factors of GWS changes in the WLRB.