1974-1975 — Page 224

Public Works Department Annual Report 工務司署年報 All AI Reviewed
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# 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)

======

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 35,774

213

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# 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) ====== 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 35,774 213
Baseline (Original)
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 85.41 85.41 Observatory (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 3,147 1,110 from Muk Wu Wells Received from China by pipeline 18,316 19,408 Desalter Water 8 89,557 82,469 Less Losses: At Indus and Tai Po Tau Fabridam (3) Storage (in million gallons) Total 89,557 82,469(b) ====== Total storage in the territory's impounding reservoirs: % Full Quantity Old Reservoirs Stored Plover Cove Old Plover Cove System (a) Reservoirs System (a) 1st April 1974 7,685 32,247 48.5 62.6 1st July 1974 9,913 30,259 62.5 58.8 1st October 1974 7,904 26,534 49.8 51.5 1st January 1975 14,565 39,942 91.8 77.6 1st April 1975 10,573 35,774 66.7 69.5 213
2026-05-12 06:58:37 · Baseline
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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

85.41

85.41

Observatory

(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

3,147

1,110

from Muk Wu Wells

Received from China by pipeline

18,316

19,408

Desalter Water

8

89,557

82,469

Less Losses:

At Indus and Tai Po Tau Fabridam

(3) Storage (in million gallons)

Total

89,557

82,469(b)

======

Total storage in the territory's impounding reservoirs:

% Full

Quantity

Old Reservoirs

Stored

Plover Cove

Old

Plover Cove

System (a)

Reservoirs

System (a)

1st April 1974

7,685

32,247

48.5

62.6

1st July 1974

9,913

30,259

62.5

58.8

1st October 1974

7,904

26,534

49.8

51.5

1st January 1975

14,565

39,942

91.8

77.6

1st April 1975

10,573

35,774

66.7

69.5

213

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