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17
Water.
The water supply is drawn from deep wells in the chalk.
These wells are situated at Surrey Street, Stroud Green, Waddon,
Selhurst, and Addington. A portion of the northern side of the
Borough obtains water supplies from the Metropolitan Water
Board.
I am indebted to the Borough Engineer, Mr. G. F. Carter,
for the following information:—
A constant supply of water was maintained throughout the
year, and has been satisfactory both in quality and quantity.
Monthly analyses of the water were made at the five pumping
stations, and in many cases at more frequent intervals. The
Corporation's wells are all in the chalk, and a sample analysis
is as follows:—
Clear and bright.
Hardness—Temporary, 16.3 deg.
„ Permanent, 3.7 deg.
No B. Coli in 100 c.c.
No Streptococci.
No acid in 100 c.c.

This works out, on a population basis of 235,000, at a consumption
of 31.114 gallons per diem per head.
Risers and Streams.
There are only small streams or ditches. These have been
kept in a good state.
Drainage and Sewage.
Extensions of the sewerage system have been made to keep
pace with the growth of the Borough, in particular in the new
area of Addington which was added to the Borough in 1928. Over
£36,000 has been expended in main sewers and surface water