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28
Water.
1. Water for drinking and commercial purposes in this area is supplied by the Metropolitan
Water Board and has been satisfactory both in quantity and quality.
2. There is a piped supply, and bacteriological examinations of the raw water are
made by the Metropolitan Water Board, who also perform chemical analysis.
3. The water is not known to have any plumbo-solvent action.
4. No action has been necessary in respect of contamination.
5. All dwelling houses have a piped supply, and standpipes are normally used only in
cases of emergency, such as repair of mains.
No complaints, regarding unsatisfactory water being supplied for drinking purposes,
were received during the year.
Drainage.
During the year 3,239 inspections were made by the Sanitary Inspectors in connection
with drainage work; 101 applications for approval of proposed drainage work were
submitted together with the necessary plans, and 94 Combined Drainage Orders were
made.
Smoke Abatement.
During the year 30 complaints were received regarding smoke nuisances and 135
observations were made. In most cases, it was found that the nuisance was caused by unsatisfactory
stoking, and conditions were remedied following advice being given by the
District Sanitary Inspectors.
During 1953, equipment for recording atmospheric pollution was set up on the roof
of the British Museum. The equipment consists of a deposit gauge, and a lead peroxide
instrument for measuring sulphur dioxide. The recordings obtained during 1954 are as
follows:—
Month.
Rainfall.
inches.
pH value.
Monthly deposit— Tons per sq. mile.
Insoluble
matter.
Soluble
matter.
Total
solids.
Mg. of SO3/day
collected by
100 sq. cm. of
Batch A Pb02.
January 0.85 5.9 10.61 14.30 24.91 6.05
February 1.92 5.3 14.70 13.02 27.72 6.08
March 1.73 5.3 13.02 11.88 24.90 4.28
April 0.13 5.1 4.00 5.40 9.49 3.57
May 1.62 5.2 11.20 8.38 19.58 2.83
June 3.15 5.0 6.74 11.20 17.94 2.19
July 2.28 5.1 5.54 10.33 15.87 2.10
August 3.69 5.1 6.54 16.74 23.28 2.37
September 1.58 4.9 6.98 9.23 16.21 2.67
October 1.26 5.0 5.67 6.95 12.62 4.68
November 3.66 5.0 8.52 18.96 27.48 5.03
December 1.44 5.0 6.31 11.68 17.99 5.50
Total 23.31 - 99.92 138.07 237.99 -
Monthly Average 1.94 5.17 8.32 11.51 19.83 3.95