• Identify the river
• Identify suitable dam sites or abstraction points on the river
• Determine the normal flow in the river at these identified dam sites and check whether it is enough to satisfy the projected demand of the customers for the next fifteen to twenty years.
• Check whether the quality of the water in the river at the various dam sites and abstraction points is suitable for human consumption
• Do an environmental impact assessment
• Decide on the most suitable dam site or abstraction point based on economic, environmental and practical considerations

• Identify the aquifer(s)
• Determine the safe yield of the aquifer(s)
• Check whether it is enough to satisfy the projected demand of the customers for the next fifteen to twenty years.
• Check whether the quality of the water in the identified aquifers is suitable for human consumption
• Do an environmental impact assessment

Sea