Population of Dehradun city as per Census 2011. It is estimated that the population is growing at a rate of 34% and according to most municipal authorities, the population of Dehradun city is over 800,000.

Daily water needs of the city for domestic and industrial purposes. The water supply of Dehradun is operated and maintained by Uttarakhand Jal Sansthan (UJS), an institution working under DoDW, also responsible for constructing small works. However, the large capital works and overall planning is carried out by Uttarakhand Pey Jal Nigam (UPJN) also working under DoDW.

Estimated losses for each of the distribution pathways, which means the total water available for consumption is down to 92.13 MLD. Water losses in the distribution system due to old and poor quality pipes made of PVC and illegal connections of water is one of major issues the city faces.

Gap between demand and what actually reaches the consumers.

Number of zones that the city is divided into for effective management of water supply. 5 zones are water sufficient with a water supply of 135 lpcd and 46 zones do not receive sufficient water. Therefore for effective water supply to these 46 zones, 23 zones are managed under the Atal Mission for Rejuvenation and Urban Transformation (AMRUT) and executed by the Peyjal Nigam (Dehradun division) and the remaining 23 zones are managed by the Asian Development Bank (ADB).

Number of Overhead Tanks and Clear Water Reservoirs that serve as intermediate stores in the distribution network. In all they are able to store 117 million litres.