The Central Ground Water Board, North Western Region, has established 1077 Ground water observation wells in Punjab State and Union Territory of Chandigarh for monitoring water level. As on 31.3.2020 there were 1052 Ground Water Observation Wells in Punjab which include 173 dug wells and 816 piezometers for monitoring shallow aquifers and 63 deep Piezometers for monitoring the behaviour of deeper aquifers in Punjab. There are 25 observation wells in Chandigarh (1 dug wells and 17 Piezometers for monitoring phreatic aquifer) and 7 deep piezometers to monitor behaviour of deeper aquifers. About 80% of the Ground water observation wells fall in the canal command areas of various canal systems, the areas falling out of the major command is part of Pathankot, Hoshiarpur, Nawanshahr, Ropar and SAS Nagar districts, parts of Gurdaspur, Jalandhar and Ludhiana districts. The district wise details of Ground water observation wells are given and location of these Ground water observation wells is shown in this document.