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42
mitted for Chemical and Bacteriological examination, and all gave satisfactory
analyses.
(ii) PUBLIC SWIMMING BATHS.— There are three public swimming
baths in the Borough. Two indoor, 120,000 gallons and 66,000 gallons
respectively and one open-air, of 250,000 gallons approximately. Mains
water supply is used in all cases and the method of treatment is by breakpoint
chlorination. The water is normally changed once annually in the
case of the larger indoor bath and the open-air bath, which are closed
during the winter months. The smaller indoor bath is, however, in operation
throughout the whole of the year, and as is the case with all the baths, is
"topped up" as necessary.
Five samples of water for examination were taken from the open-air
swimming bath from April to September. The samples were satisfactory.
Fifteen samples were also taken from the two indoor baths during January,
March, April, June, July, August, September, October and December: all
the samples were satisfactory and of a high standard of bacterial purity.
(iii) DRAINAGE AND SEWERAGE. - The Borough Engineer has
kindly supplied me with the following: -
Main Drainage
Progress continued on the relief of flooding in the Borough and the
stages of various schemes undertaken during the year are as follows:-
Completed:
(a) Hainault/Trelawney Road Surface Water Sewer ... £300,500
(b) Cranbrook Stage III Surface Water Sewer £102,050
Commenced:
(a) Woodford Avenue, Claybury Broadway to River Roding
Surface Water Sewer £112,996
(b) Roding Valley Mid-Level Soil Sewer Stage II £113,200
RIVERS AND STREAMS
Flooding.— A number of cases of flooding occurred in areas which
have not yet been dealt with under the Drainage Scheme.