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69
(in 1896) to 19.4 days, and that the two Companies
have initiated magnificent schemes of storage which
will, it is hoped, enable them to avoid taking water
from the river during floods.
TABLE 27.
Comparison of mean results of analyses, 1894-97.
Mean Temperature
C°.
Parts per 100,000 pts. of Water.
(Means of alt Analyses.)
Total
Solids.
Organic.
Ammonia.
Nitrogen as
Nitrites and
Nitrates.
Chlorine.
Hardness
degree = 1
pt. Ca CO3.
Carbon.
Nit'g'n.
West Middlesex
Water Co.
1897
9.8
27.50
0.159
0.019
0.000
0.223
1.8
19.5
1896
11.1
28.54
0.161
0.024
0.000
0.205
1.9
19.8
1895
9.8
28.57
0.159
0.021
0.000
0.233
1.8
19.3
1894
10.9
28.12
0.207
0.24
0.000
0.216
1.9
18.4
Grand Junction
Water Co.
1897
11.6
29.02
0.162
0.020
0.000
0.251
1.8
19.1
1896
1895
12.7
11.8
28.46
28.74
0.163
0.147
0.022
0.019
0.000
0.000
0.217
0.239
1.9
1.8
19.8
19.6
1894
12.3
28.96
0.202
0.024
0.000
0.226
1.9
18.9
It is not pleasant to recall the fact that the bulk of
the water supplied to the Metropolis has already
passed, more than once, through the systems of
various animals, not excluding man, but it cannot be
denied that the existing supply has hitherto proved to
be a safe one. There has been no epidemic of disease
since 1866 traceable to the water-supply, and each
year the condition of the river is being improved, and