Ground water level of Chandigarh has declined at a fast speed in the last decade. The data collected by the CGWB, Chandigarh shows a gradual decrease in the total replenishable Groundwater Resources (3.636%) and the available ground water resources (3.645%).
| Status of Ground Water | 2004 | 2009 | 2014 |
| Annual Replenishable Ground Water Resources (MCM) | 2255 ham | 2173 ham | 2156 ham |
| Available Ground Water Resource | 2030 ham | 1956 ham | 1940 ham |
| Balance Ground Water | 2030 ham | 1956 ham | 1940 ham |
| Provision for Industrial/Domestic and other uses & Natural Discharge etc. | 225 ham | 217 ham | 216 ham |