. Annual report of the Metropolitan Water and Sewerage Board . provesconclusively the salutary effect of meters in reducing unnecessaryconsumption. In the four municipalities of Milton, Maiden, Bel-mont and Watertown, where the services are generally metered, thedaily average consumption in the month of February varied from40 gallons to 61 gallons per inhabitant. In the four municipalitiesof Revere, Melrose, Chelsea, where the general con-ditions are similar but where the services are not generally metered, 1 This is graphically illustrated by the accompanying diagram. diagram sho
. Annual report of the Metropolitan Water and Sewerage Board . provesconclusively the salutary effect of meters in reducing unnecessaryconsumption. In the four municipalities of Milton, Maiden, Bel-mont and Watertown, where the services are generally metered, thedaily average consumption in the month of February varied from40 gallons to 61 gallons per inhabitant. In the four municipalitiesof Revere, Melrose, Chelsea, where the general con-ditions are similar but where the services are not generally metered, 1 This is graphically illustrated by the accompanying diagram. diagram showing Average Rate of Consumption of Water in the Metropolitan District in 1907 DURING THE ENTIRE DAY AND BETWEEN THE HOURS OF I AND 4 AT NIGHT 160 150 140 O uj ■z. - o az o G h- fc- cc z to z: H — 0 _ UJ ^ oo ^ S o o 3 z ^ > UJ h- H; tf ^ ^ | uj UJ Oi ^ ^ > UJ _J O UJ >• C£ ia o; lu < wn o o ^ ° CO J— cr; O uj uj s: Q t? -1 ^ $ uj ^ 5= oo S 2^ j^n TIM / Average Rate per CapitaW/ I I I I I I I per Day for Entire Distric. Percentage of Services Metered 14 10 25 34 38 17 2 98 100 94 100 160150 140 Daily Average Rate of Consumption 1907 ._. V7Z^\ n Night » between and 4 I907_J^3Daily Average Rates of Consumption in 1906 shown in red No. 57.] AND SEWERAGE BOARD. 73 the average daily consumption per inhabitant varied from 111 to156 gallons in the same month. The Legislature of last year passed an act providing that allmunicipalities taking their water supply from the MetropolitanWater Works should, after December 31, 1907, equip with watermeters all services thereafter installed, and should annually equipwith water meters 5 per cent, of the services which were thenunmetered, and should thereafter charge each consumer in propor-tion to the amount of water used. Inasmuch as the Act goes intooperation only with the current year, it has not affected the con-sumption of water. The quantity of water used has now become the most importantelement in dete
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