56 



On the Supply of Water 



Table No. VIII. 



9 "° 

 fin 





Quantities calculated at a per centage on 

 Eain-fall of Water Shed. 



9 a 

 ■A J 



3 « 



So 



June 



1-70 



2-25 

 3-95 



Gallons. Gallons. 

 40,000 acres drained by Plenty 



River, 33 per cent. . . 507,478,356 

 5,500 acres, drained by Reser- 

 voir 65 per cent. . . 137,442,054 

 1,300 acres, surface of Reser- 

 voir, 100 per cent. . . 49,978,929 



g §£ 





698 

 974 



July 



40,000 acres, as above, 35 per 



cent 712,369,630 



5,500 acres, as above, 70 per 



cent 195,901,571 



1,300 acres, as above, 100 per 



cent 66,148,582 









1,669,319,122 



1,672 



Table No. IX. 



Synopsis, showing Register of Pluviameter in Victoria for same months. 



Yan Yean. 600 



feet above 

 sea level. 



Melbourne. 130 feet above 

 mean sea level. 



Geelong. 125 



feet above 

 mean sea level. 



June and July, 

 1856. 



Time. Mean 

 of Five Years, 

 June and July 

 ending 1851. 



Time. 

 June and 

 July, 1856. 



June and 

 July, 1856. 



3-95 



5-006 



5-135 



,-46 



The above tables, Nos. VIII. and IX., are compiled from 

 accurate and authentic data, (kindly supplied me by Mr. 

 Charles Taylor, resident engineer at Yan Yean reservoir, to 

 whom I tender my thanks,) and checked from means within 

 my own control. The quantities of water, 35, 70, and 100 

 per cent, respectively, may seem to be excessive for the 

 registered rain-fall, but I know that nearly as much water 

 escaped by the bye- wash, i.e, the River Plenty ; that 

 is, off the 40,000 acres, (the 5500 acres being the original 

 and only water-shed of the reservoir swamp, to which it 

 finds its way irrespective of the artificial aqueduct.) This 



