AMOUNT OF SEWAGE PER CAPITA 



125 



the consumption was only 26.9. Since 1887, there has been 

 a slight but nearly constant increase in the rate. Fig. 32, 



10 20 30 40 50 60 70 80 90 



Percentage of Meters to Service 



190 



180 



170 



El 



150 



140 



120 



FIG. 31. 



25000 gfl 



15000 



loooo S 



5000 



1901 



1903 



1904 



FIG. 32. 



from Fuertes' Report,* shows the effect upon the water con- 

 sumption of the gradual installation of meters in Cleveland. 



p. 143- 



