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55
ENVIRONMENTAL HEALTH
1. WATER SUPPLY
The whole area is served by the Metropolitan Water Board
through a piped main supply. The service is satisfactory in
quantity and quality; no houses in the district are supplied
permanently from stand-pipes, there is no added fluoride, the
natural content is 0.15 milligrammes per litre, the water is not
plumbo solvent. Regular chemical and bacteriological examinations
are carried out by their Water Examination Department but
in addition to this on ten occasions samples were taken from
private houses and shops and all were satisfactory.
2. SWIMMING BATHS
(a) Public. The Corporation's indoor swimming baths are
situated in Denmark Road, Kingston upon Thames, and comprise
two pools, one of which is in use throughout the year, whilst the
other is used for swimming during the summer months, and in the
winter season is converted for use as a hall for concerts, dancing
and other purposes. In addition there is an instructional pool.
The baths are equipped with pressure filters and sterilisation
is effected by breakpoint chlorination. Apart from regular poolside
tests of the chemical condition of the water, 130 samples were taken
during the year for bacteriological examination of which 122 were
reported satisfactory.
The Surbiton Lagoon, situated in Raeburn Avenue, Surbiton, is
an open air pool 165 feet long, the water being treated by continuous
pressure sand filtration and breakpoint chlorination. Apart from
chemical tests 16 samples were taken for bacteriological examination,
all of which were satisfactory,
(b) School Pools. One private school has a swimming pool
fitted with filtration plant and sterilisation is effected by hand
dosing with sodium hypochlorite.
Eight primary schools have swimming pools with treatment plants.
In addition to numerous poolside tests, 70 samples of water were
taken for bacteriological examination, of which eight were reported
as having a count higher than desirable due to inadequate chlorination.