Determination of water demand is indispensable when it comes to the design of a proper water work project. An accurate estimation of water demand helps to determine the quantities of water and moments when the water will be used therefore generating various demand patterns. The demand arises mainly for residential, institutional, industrial and public uses. and the second part of the course is population forecasting.Population forecasting is defined as the method of determining the expected population for a particular design period of a water supply system with the help of the study and analysis of future events and available records.

The population is an important parameter that is determined for the design of the water system of a particular area. Water supply systems are designed for a population expected for a certain design period instead of taking into consideration the present population of the area.

There are several mathematical methods that can be used to determine the population for a design period and the water demand.

This course consist of:-

1) Concept of water demand and its classification

2) Determination of Fire demand.

3) Design period for water supply scheme and factors affecting on it.

4) Concept of population forecasting and its methods of determination of future population.