APPENDIX CC
(1) Rainfall (in inches)
Rainfall recorded by Royal Observatory Average rainfall recorded in Waterworks catchments Long Term Mean annual rainfall at the Royal Observatory
(2) Yield (in million gallons)
Yields from catchment areas:
Old reservoirs
WATERWORKS OFFICE
GENERAL STATISTICS
1969-70 1970-71
70.53 89.55
67.39 89.75
85.41 ...
... ...
... ...
1969-70 1970-71
27,721 37,255
Plover Cove ... 8,746 15,985
Pumped from the River Indus and Extracted from the Muk Wu Wells ... 3,842 2,816
Received from China by pipeline 15,016 14,791
55,325 70,847
Less Losses:
At Indus and Tai Po Tau Fabridam ...
Total ...
(3) Storage (in million gallons)
769 102
... ...
54,556 70,745
Total storage in the Colony's impounding reservoirs:
1st April, 1970 1st July, 1970 ... 1st October, 1970 1st January, 1971 ...
Quantity Stored Old Plover Reservoirs Cove % Full Old Reservoirs Plover Cove
... 6,133 24,183 36.5 65.8
11,497 28,887 68.4 78.6
16,682 36,742 99.3 100.0
12,317 34,685 73.3 94.4
6,805 30,809 40.5 83.9
1st April, 1971 ...
(4) Consumption (in million gallons)
1969-70 Urban areas ... 57,416
1970-71 62,654
... (8,760 hours) (8,760 hours)
New Territories (minor supplies) 333 340
Total ... 57,749 62,994
... ...
... ...
1969-70 1970-71
Daily average 158.2 193.6
Highest daily consumption 172.6 205.4
A 201