If your water usage is very small it may be worthwhile opting for a meter.要是用水量很小，可以考虑装一个水表。Taking too much water for household use is drying up the river.民用水量过多使这条河日益干涸了。Increased consumption of water has led to the rapid depletion of reserves.用水量的增加导致了水资源迅速枯竭。