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from a purer source than the Thames at Surbiton, have
constructed large settling tanks above Moulsey, five miles
higher up the river, and above the junction of the Mole.
These were finished and put in action in October 1877, and
since that time the water supplied by them has been taken
at that point, allowed to settle in the tanks, and then run
down to Surbiton to be filtered.
Table VII.
Showing the results of the Analyses of the Water supplied to
the Parish by the Grrand Junction and Chelsea
Water Companies.
Month.
Ports per 100,000.
Parts per 100 Millions.
Total
Solid
Residue.
Chlorine =
Common
Salt.
Saline
Ammonia.
Organic
Ammonia.
Grand Junction Company's Water.
April 1877
28
1.7
2.8
0
12.0
May „
28
1.6
2.0
0.8
100
June „
26
1.6
2.6
0.6
10.8
July „
30
1.4
2.3
0.8
8.0
August „
September „
29
1.4
2.3
1.80
8.4
October „
28
1.8
3.0
0
11.0
November ,,
32
1.6
2.6
5.0
14.8
December „
28
1.5
2.5
2.0
11.4
January 1878
29
1.7
2.8
0
9.4
February „
35
1.7
2.8
10
13.8
March „
32.8
1.6
2.0
2.60
14.0
Average .
29.5
1.7
2.8
1.94
11.4
Chelsea Company's Water.
April 1877
28
1.6
2.0
0
8.4
May „
30
1.6
2.0
1.34
10.6
June „
28
1.6
2.6
6.6
8.4
July „
29
1.6
2.6
1.0
7.4
August „
September „
33
1.6
2.6
1.20
9.4
October „
28
1.5
2.5
1.34
9.8
November „
27
1.6
2.6
1.3
8.0
December „
30
16
2.6
1.6
9.8
January 1878
30
1.6
2.6
1.0
10.0
February „
32
1.5
2.5
0
11.0
March „
30
1.6
2.6
2.66
14.0
Average .
29.5
1.66
2.7
1.7
9.7