KONG WATERWORKS TABLE No. 3
HONG KONG
COMPARISON OF HONGKONG WITH SOME BRITISH WATERWORKS
Details
No. of Reservoirs.
Hong Kong
Sheffield
Liverpool
13
13
9
Manchester
9
No. of Separate Watersheds.
4
4
4
Total Storage
5970 M.G.
6813 M.G.
17230 M.G.
(Millions of Gallons.)
Catchment
Areas
Direet Indirect
6213 acres 7437
Almost entirely direct
39
Total
13650
30403 acres
"
Rainfall per annum
46 ins.-128 ins.
35 ins.-52 ins.
Daily Supply (Million Gallons)
per day.
27 M.G.D.
No. of Days Storage
220 day
40 M.G.D. (inc. compensation water)
168 days
72 M.G.D. (inc. 19 M.G.D.
compensation water)
240 days
Longest effective drought
over 200 days
33 days
not known
Two subsidiary streams at Lake Vyrnwy.
33000 acres
about 70 ins.
3
31910 M G.
(inc. final instalment of Hawes water Scheme)
Almost entirely direct
37390 acres
54 ins.-Longdendale 91 ins.-Thirlmere
155.6 M.G.D.
(inc. 27.6 compensation water)
205 days
not known
65
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