42 GRAPHICAL COMPARISON OF METER RATES 



CHELSEA, MASS. 

 (Water Works Pay for Service and Meter) 



Each 100 cubic feet, $0.11 (equivalent to 14.7 cents per 1000 gallons). 



The water charge, however, will not be less than $1.50 each quarter. 

 For this minimum quarterly charge there may be used during the quarter 

 1364 cubic feet of water, equivalent to 10,200 gallons, an average of 112 

 gallons per day. 



(Plotted in Fig. 6.) 



