# APPENDIX CC
# WATERWORKS OFFICE
## GENERAL STATISTICS
## 1973-74
## 1974-75
(1) Rainfall (in inches)
Rainfall recorded by Royal Observatory
121.27
94.63
Average Rainfall recorded in Waterworks Catchments
111.10
97.36
Long Term Mean annual rainfall at the Royal Observatory
85.41
85.41
(2) Yield (in million gallons)
Yield from catchment areas:
Old reservoirs
34,591
32,518
Plover Cove
33,508(a)
29,425(a)
Pumped from the River Indus and Extracted from Muk Wu Wells
3,147
1,110
Received from China by pipeline
18,316
19,408
Desalter Water
8
Total
89,557
82,469
Less Losses:
At Indus and Tai Po Tau Fabridam
(3) Storage (in million gallons)
Total
89,557
82,469(b)
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Total storage in the territory's impounding reservoirs:
Old Reservoirs Plover Cove System (a) % Full Quantity Stored % Full Quantity Stored 1st April 1974 48.5 7,685 62.6 32,247 1st July 1974 62.5 9,913 58.8 30,259 1st October 1974 49.8 7,904 51.5 26,534 1st January 1975 91.8 14,565 77.6 39,942 1st April 1975 66.7 10,573 69.5 35,774213