APPENDIX CC
WATERWORKS OFFICE
GENERAL STATISTICS
(1) Rainfall (in inches)
1968-69 1969-70 Rainfall recorded by Royal Observatory 87.37 70.53 Average rainfall recorded in Waterworks catchments 83.87 67.39 Average annual rainfall 85.62 68.96(2) Yield (in million gallons)
Yields from catchment areas: 1968-69 1969-70 Old reservoirs 33,605 27,721 Plover Cove ... ... 16,118 8,746 6,236 3,842 15,053 15,016 71,012 55,325 419 769 Pumped from the River Indus and Extracted from the Muk Wu Wells 2,857 ... Received from China by pipeline ... 67,736 Less Losses: At Indus Fabridam ... 54,556 Plover Cove pumped to waste D ... ... ... Total ... ...(3) Storage (in million gallons)
Total storage in the Colony's impounding reservoirs:
Date Quantity Stored 1st April, 1969 ... 1st July, 1969 ... 1st October, 1969 ... 1st January, 1970 ... 1st April, 1970 ...(4) Consumption (in million gallons)
Urban areas New Territories (minor supplies) Total Daily average Old Reservoirs % Full Plover Cove Old Plover Cove 7,623 25,393 45.4 69.9 12,046 29,905 71.7 77.5 11,614 36,116 69.2 97.0 5,960 31,943 35.4 85.5 6,132 23,879 36.4 64.0 1968-69 51,149 51,437 140.1 1969-70 (8,760 hours) 57,416 57,749 158.2 288 333 173.1 193.6 Highest daily consumption 175 ... ... ... ... ...APPENDIX CC
WATERWORKS OFFICE
GENERAL STATISTICS
(1) Rainfall (in inches)
1968-69
1969-70
Rainfall recorded by Royal Observatory
87.37
70.53
Average rainfall recorded in Waterworks catchments
83.87
67.39
Average annual rainfall
85.62
68.96
(2) Yield (in million gallons)
Yields from catchment areas:
Old reservoirs
Plover Cove
**
...
1968-69
1969-70
33,605
27,721
...
16,118
8,746
6,236
3,842
15,053
15,016
71,012
55,325
419
769
2,857
67,736
54,556
Pumped from the River Indus and Extracted from
the Muk Wu Wells
Received from China by pipeline
Less Losses:
At Indus Fabridam
Plover Cove pumped to waste
...
...
D
...
...
...
Total
...
...
(3) Storage (in million gallons)
Total storage in the Colony's impounding reservoirs:
Quantity Stored
Date
1st April, 1969 ...
1st July, 1969
...
1st October, 1969
1st January, 1970
1st April, 1970 ...
:
(4) Consumption (in million gallons)
Urban areas
New Territories (minor supplies)
Total
Daily average
...
% Full
Old Plover
Old
Plover
Reservoirs
Cove
Reservoirs
Cove
7,623 25,393
45.4
69.9
12,046
29,905
71.7
77.5
11,614
36,116
69.2
97.0
5,960 31,943
35.4
85.5
6,132
23,879
36.4
64.0
1968-69 51,149
1969-70
(8,760 hours)
57,416
(8,760 hours)
288
333
...
•
51,437
57,749
1968-69
1969-70
140.1 173.1
158.2
193.6
175
...
...
Highest daily consumption
•
...
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