- a charge made for the public supply of water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for water rate
"The water-rate perhaps," answered Hester, opening her own letter as she withdrew to read it.Weighed and Wanting
In one village the spring became at once brackish when a water-rate was levied, and turned sweet again when the tax was remitted.
We hear, however, that he intends to have another try when the water-rate is not quite so high.