1976-1977 — Page 252

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

WATERWORKS OFFICE

GENERAL STATISTICS

(1) Rainfall (in millimetres)

1975-76 1976-77 Rainfall recorded by Royal Observatory 2905.5 2194.4 Average rainfall recorded in Waterworks catchments 2787.7 2206.0 Long Term Mean annual rainfall at the Royal Observatory 2177.4 2177.4

(2) Yield (in million cubic metres)

Yield from catchment areas: 1975-76 1976-77 Old reservoirs 160.40 131.22 Plover Cove 128.40 (a) 130.86 (a) Pumped from the River Indus -10.38 (b) 2.43 Received from China by pipeline 93.58 95.85 Desalter Water 10.96 5.58 Total 382.96 365.94

Note: (a) Plover Cove System including Lower Shing Mun Reservoir.

(b) Water discharged into River Indus and rejected.

(3) Storage (in million cubic metres)

The storage in the territory's impounding reservoirs : Quantity Stored % Full Old Reservoirs Plover Cove System Old Reservoirs Plover Cove System 1st April 1976 31.82 187.13 44.1 80.0 1st July 1976 50.78 187.25 70.4 80.0 1st October 1976 70.73 223.10 98.1 95.3 1st January 1977 41.09 196.64 57.0 84.0 1st April 1977 26.45 149.05 36.7 63.7

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APPENDIX CC WATERWORKS OFFICE GENERAL STATISTICS (1) Rainfall (in millimetres) 1975-76 1976-77 Rainfall recorded by Royal Observatory 2905.5 2194.4 Average rainfall recorded in Waterworks catchments 2787.7 2206.0 Long Term Mean annual rainfall at the Royal Observatory 2177.4 2177.4 (2) Yield (in million cubic metres) Yield from catchment areas: 1975-76 1976-77 Old reservoirs 160.40 131.22 Plover Cove 128.40 (a) 130.86 (a) Pumped from the River Indus -10.38 (b) 2.43 Received from China by pipeline 93.58 95.85 Desalter Water 10.96 5.58 Total 382.96 365.94 Note: (a) Plover Cove System including Lower Shing Mun Reservoir. (b) Water discharged into River Indus and rejected. (3) Storage (in million cubic metres) The storage in the territory's impounding reservoirs : Quantity Stored % Full Old Reservoirs Plover Cove System Old Reservoirs Plover Cove System 1st April 1976 31.82 187.13 44.1 80.0 1st July 1976 50.78 187.25 70.4 80.0 1st October 1976 70.73 223.10 98.1 95.3 1st January 1977 41.09 196.64 57.0 84.0 1st April 1977 26.45 149.05 36.7 63.7 242
Baseline (Original)
APPENDIX CC WATERWORKS OFFICE GENERAL STATISTICS (1) Rainfall (in millimetres) 1975-76 1976-77 Rainfall recorded by Royal Observatory 2905.5 2194.4 Average rainfall recorded in Waterworks catchments 2787.7 2206.0 Long Term Mean annual rainfall at the Royal Observatory 2177.4 2177.4 (2) Yield (in million cubic metres) Yield from catchment areas: Old reservoirs Plover Cove Pumped from the River Indus Received from China by pipeline Desalter Water 160.40 131.22 128.40 (a) 130.86 (a) -10.38 (b) 2.43 93.58 95.85 10.96 5.58 Total 382.96 365.94 Note: (a) Plover Cove System including Lower Shing Mun Reservoir. (b) Water discharged into River Indus and rejected. (3) Storage (in million cubic metres) The storage in the territory's impounding reservoirs : Quantity Stored % Full Old Reservoirs Plover Cove System Old Reservoirs Plover Cove System 1st April 1976 31.82 187.13 44.1 80.0 1st July 1976 50.78 187.25 70.4 80.0 1st October 1976 70.73 223.10 98.1 95.3 1st January 1977 41.09 196.64 57.0 84.0 1st April 1977 26.45 149.05 36.7 63.7 242 Y
2026-05-12 09:56:41 · Baseline
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APPENDIX CC

WATERWORKS OFFICE

GENERAL STATISTICS

(1) Rainfall (in millimetres)

1975-76

1976-77

Rainfall recorded by Royal Observatory

2905.5

2194.4

Average rainfall recorded in Waterworks

catchments

2787.7

2206.0

Long Term Mean annual rainfall at the

Royal Observatory

2177.4

2177.4

(2) Yield (in million cubic metres)

Yield from catchment areas:

Old reservoirs

Plover Cove

Pumped from the River Indus

Received from China by pipeline

Desalter Water

160.40

131.22

128.40 (a)

130.86 (a)

-10.38 (b)

2.43

93.58

95.85

10.96

5.58

Total

382.96

365.94

Note: (a) Plover Cove System including Lower Shing Mun Reservoir.

(b) Water discharged into River Indus and rejected.

(3) Storage (in million cubic metres)

The storage in the territory's impounding reservoirs :

Quantity Stored

% Full

Old Reservoirs

Plover Cove

System

Old Reservoirs

Plover Cove

System

1st April 1976

31.82

187.13

44.1

80.0

1st July 1976

50.78

187.25

70.4

80.0

1st October 1976

70.73

223.10

98.1

95.3

1st January 1977

41.09

196.64

57.0

84.0

1st April 1977

26.45

149.05

36.7

63.7

242

Y

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