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54
Number of
occasions
when clear
and transparent.
Number of
occasions
when
slightly
turbid.
N umber of
occasions
when
turbid.
Number of
occasions
when very
turbid.
Number of
occasions
when
living
organisms
were seen.
Water from the Thames:
Chelsea
7
3
2
0
3
West Middlesex
12
0
0
0
0
Grand Junction
8
3
1
0
4
Southwark
4
5
1
2
8
Lambeth.
5
3
1
3
5
Water from other sources:
New River
12
0
0
0
0
East London
6
o
O
2
1
4
Kent
12
0
0
0
0
"In consequence of the frequent instances of turbidity
"of the water supplied by the Southwark and Vauxhall
''and Lambeth Water Companies, the Medical Officer of
"the Privy Council directed an inquiry to be made into
"the causes of this turbidity. The investigation was en"trusted
to Mr. J. Netten Radcliffe, who, in July last,
"made a valuable and elaborate Report on the subject.
"He found the turbidity of the Southwark and Vauxhall
"Company's water to be due—1st, to deficiency of pro"vision
for subsidence; 2nd, insufficiency of area of
"filtering surface; 3rd, in certain instances, to the admis"sion
of tidal water from the Thames into the reservoirs
"at Battersea, either by direct inflow, by soakage, or by