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WATER SUPPLY.
The water for the District is supplied by the Barnet District Gas & Water
Company and the Colne Valley Water Company.
With regard to the Barnet District Gas & Water Company, all the water is
Chlorinated, and.a pathological staff is maintainor The water, in bulk, is
examined daily, and each pumping station once a week. 1,377 Chemical and
Bacteriological examinations of the water were made during the year, of which
34 Chemical and 65 Bacteriological samples were analysed by an independent
laboratory. Of the Bacteriological samples representative of supply, the percentage
of first class (i.e. Coliform organisms absent in 100 millilitres) was 99-52%,
which is regarded as quite satisfactory.
The Colne Valley Water Company exercises constant supervision, and members of
the staff are on duty day and night throughout the year examining samples. All
the water supplied by this Company is chlorinated.
The water supply is satisfactory both from the Chemical and Bacteriological
aspects and the supply is considered adequate.
DRAINAGE AND SEWERAGE.
The town is drained and sewered on the separate system, excepting the older
portions of the district where it is a combined system.
The sewage is conveyed to an Irrigation Farm of 56 acres, but before it is
turned on the land it is screened and treated by means of detritus and sedimen-
tation tanks, and three rotary .filters. Pumping is necessary for three sewers
which have their outlets at a low point on the farm. A few outlying properties
are drained to cesspools, and part of Totteridge to the Finchley Borough sewers.
There are only a few earth closets in remote parts of the district.
SANITARY CONDITIONS AND WATER SUPPLY OF SCHOOLS.
There arc in the district nine schools administered, by the Barnet Education
Committee, viz:- Queen Elizabeth's Boys and Girls Grammar Schools^ Byng Road
County Council School (Secondary Modern, Junior Mixed and Infants Departments);
Christ Church School (Junior Boys and Girls, and Infants Departments); Wood
Street Church of England School (Secondary Modern); Grasvenor Avenue School
(Infants); Underhill County Council School (Infants)j Totteridge Church of England