Dammed reservoirs are artificial lakes created and controlled by a dam constructed across a valley and rely on the … See more

Circa 3000 BC, the craters of extinct volcanoes in Arabia were used as reservoirs by farmers for their irrigation water.
Dry climate and water scarcity in India led to early development of stepwells and other water reso… See more

Many dammed river reservoirs and most bank-side reservoirs are used to provide the raw water feed to a water treatment plant which delivers drinking water through water mains. The reservoir does not merely hold water until i… See more

Water falling as rain upstream of the reservoir, together with any groundwater emerging as springs, is stored in the reservoir. Any excess water can be spilled via a specifically designed spillway. Stored water may … See more

In many countries large reservoirs are closely regulated to try to prevent or minimize failures of containment.
While much of the effort is directed at the dam and its associated structures as the weakest pa… See more

All reservoirs will have a monetary cost/benefit assessment made before construction to see if the project is worth proceeding with. However, such analysis can often omit the environmental impacts of dams and t… See more

• Lakes portal
• Water portal
• Ab Anbar
• Coastal sediment supply
• Colourful lakelets (in Poland)… See more