1970-1971 — Page 223

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

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

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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
Baseline (Original)
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 Highest daily consumption 158.2 193.6 172.6 205.4 A 201
2026-05-12 02:56:59 · Baseline
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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

Highest daily consumption

158.2 193.6

172.6

205.4

A

201

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