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Full details of consumption, contents of reservoirs, etc., will be found in Annexes C and D.
The analyses made by the Government Analyst show that the water was of good quality throughout the year and the results of the Bacteriological examinations were also satisfactory with the exception of that made during May in the case of the water from Pokfulam Reservoir. A careful inspection of the various streams and valleys failed to reveal any source of contamination and the quality of the filtered water improved in the ordinary course of working the filters.
The quantity of water pumped to the High Level District during the year amounted to 68,704,000 gallons, equal to an average daily consumption of 188,000 gallons, whilst 29,354,000 gallons were pumped to the Hill District, giving an average daily consumption of 80,000 gallons. As compared with 1909, there was an increase of 3,053,000 gallons in the quantity pumped to the High Level District and a decrease of 720,000 gallons in that pumped to the Hill District.
The grand total pumped during the year amounted to 98,058,000 gallons as compared with 95,725,000 gallons in 1909.
Tabulated statements containing particulars of the quantities pumped to the High Levels and the Hill District respectively will be found in Annexe E.
All engines, motors and station buildings were kept in a good state of repair during the year.
The number of meters in use at the end of the year was 1,181 in the City and 169 in the Hill District or a total of 1,350 as compared with 1,139 and 169 in 1909 or a total of 1,308.
The quantity of water supplied by meter was as follows:
Filtered - Trade, 216,029,000 gallons.
Domestic, (City), 103,139,000 gallons.
Do., (Hill District), 29,354,000 gallons.
Unfiltered, 29,471,000 gallons.
Total, 377,993,000 gallons.
This shows an increase of 22,749,000 gallons in the quantity of water supplied by meter over 1909.
New services were constructed or old ones repaired, altered, improved or connected to the mains to the number of 549 and 44 supplies were laid on for building purposes.
The number of inspections of private services was 1,406; all defects were made good after the usual notices (97 in all) had been served.
The following items of a somewhat exceptional nature were defrayed from the Maintenance Vote:
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