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13
SANITARY CIRCUMSTANCES OF THE AREA
Water Supply. Water is supplied to the whole of
the district by the Colne Valley Water Coy. The supply
is constant and in all cases water is laid on to the
house. The quality of the water is good. On the 8th
August a sample was submitted for analysis and the
following is a summary of the Analyst's Report:
"Judging on the results of chemical analysis alone the
water may be regarded as being of very fair quality.
We can discover no cause of any complaint of milky
appearance. The water is of only a moderate degree of
hardness, but will of course deposit lime salts on boiling
or on long standing."
Rivers and Streams. There is no river in the district
but there is a brookcourse traversing the area which
finally discharges into the River Brent. A large portion
of the brookcourse which passes through a populous part
of the district was culverted during the year 1924.
Sewerage and Drainage.—The land for the disposal
of sewage covers an area of nearly 32 acres. The district
was divided into two areas for drainage—North and
South—and designed to treat the sewage for a population
of 25,000.
The works consisted of screening chambers on
duplicate detritus and sedimentation tanks and 19 circular
filters, over which the tank effluent is distributed
by rotating distributors, the final treatment being
through humus tanks, and by means of ærating channels
before final discharge into the brookcourse.
Owing to the increase in the population the Council
are now enlarging the works to deal with a population
35,000 persons, and owing to the rapid development of
the Kenton area, which is considerably lower than the
works, a new 21 in. sewer has been laid to a new pump
well from which the sewage will be raised by means
of 4m. centrifugal pumps actuated by electric motors;
lift and discharge being 45 feet.
The new works consist of five Soft, circular filters,
similar to existing new storm water tank and humus
tank, and an increase in the sludge lagoons for the final
treatment of the sewage sludge.