Assertion: reservoir | /r/CapableOf | store the water
Facets:
Source sentences:
text: Where water is pumped or siphoned from a river of variable quality or size, bank-side reservoirs may be built to store the water.
text: In a flat river valley a reservoir needs to be deep enough to create a head of water at the turbines; and if there are periods of drought the reservoir needs to hold enough water to average out the river's flow throughout the year(s).