M 50
Conservancy and Sewerage Disposal.
197. The collection and disposal of night-soil in the Colony is carried out partly by the bucket system and partly by water carriage. With regard to the bucket system, arrangements are made with a contractor for the removal and disposal of excrement under conditions laid down by the Sanitary Board.
198. The excrement is removed by night from the latrines to a special fleet of junks which convey it up river to China where it is utilised as manure for the mulberry trees on which the silk worms feed.
199. Owing to the limitations of the water supply on the Island and the need for economy in the matter of consumption, it is necessary to restrict the number of water closets served by the public mains.
200. Where a sufficiency of water can be obtained from other sources, such as wells or streams, and the conditions otherwise are suitable, water closets are allowed. With regard to effluents, some enter the public sewers direct, some pass to biological tank systems to be treated before final discharge.
Drainage.
201. Drainage both surface and subsoil is controlled by the Public Works Department. $532,000 was entered in the 1932 Estimates for a programme which included drainage, training of nullahs and sewerage.
Water Supplies.
202. The water supplies of Hong Kong and Kowloon are in charge of the Water Works Branch of the Public Works Department.
203. All the water is surface water and most of it is collected from catchment areas which are free from ordinary risks of pollution. The water, after storage for a longer or shorter period in impounding reservoirs, is filtered in some cases by slow-sand filters, in others by the rapid system, and finally it is chlorinated.
204. Routine examinations are carried out by the Government Bacteriologist and Government Analyst and the results furnished to the Water Authority. The results show that the water as supplied to the consumer is of excellent quality.
Clearance of Bush and Undergrowth.
205. Generally speaking in Hong Kong and the New Territories bush and undergrowth is little in evidence except in those places where it has been planted and conserved. Routine cutting of superfluous undergrowth is carried out in May and October.
M 50
Conservancy and Sewerage Disposal.
197. The collection and disposal of night-soil in the Colony is carried out partly by the bucket system and partly by water carriage. With regard to the bucket system arrangements are made with a contractor for the removal and disposal of excrement under conditions laid down by the Sanitary Board.
198. The excrement is removed by night from the latrines to a special fleet of junks which convey it up river to China where it is utilised as manure for the mulberry trees on which the silk worms feed.
199. Owing to the limitations of the water supply on the Island and the need for economy in the matter of consumption. it is necessary to restrict the number of water closets served by the public mains.
200. Where a sufficiency of water can be obtained from other sources, such as wells or streams, and the conditions other- wise are suitable, water closets are allowed. With regard to effluents, some enter the public sewers direct, some pass to biological tank systems to be treated before final discharge.
Drainage.
201. Drainage both surface and subsoil is controlled by the Public Works Department. $532,000 was entered in the 1932 Estimates for a programme which included drainage, training of nullahs and sewerage.
Water Supplies.
202. The water supplies of Hong Kong and Kowloon are in charge of the Water Works Branch of the Public Works De- partment.
203. All the water is surface water and most of it is collected from catchment areas which are free from ordinary risks of pollution. The water, after storage for a longer or shorter period in impounding reservoirs, is filtered in some cases by slowsand filters, in others by the rapid system, and finally it is chlorinated.
204. Routine examinations are carried out by the Govern- ment Bacteriologist and Government Analyst and the results. furnished to the Water Authority. The results show that the water as supplied to the consumer is of excellent quality.
Clearance of Bush and Undergrowth.
205. Generally speaking in Hong Kong and the New Terri- tories bush and undergrowth is little in evidence except in those places where it has been planted and conserved. Routine cutting of superfluous undergrowth is carried out in May and October.
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