44
CENTRAL JAIL, BELLARY.
SAMPLES TAKEN—25TH OCTOBER 1909.
Bacteriological Analyses.
SAMPLE I.—TEMPLE DRINKING—WATER WELL.
C o l o n y n u m b e r .
L a c t o s e .
S a c c h a r o s e .
D u l c i t e . A d o n i t e .
I n u l i n .
V o g e s a n d P r o s k .
Indol.
M o b i l i t y .
G r o u p .
Bacillus.
Group and
Remarks.
(a) Total colonies per cc. on agar at 37° cannot be counted.
(b) Bile salt lactose, medium.
+
—
1 + – – – – – – – I. B. Mutabilis.. Group I, 8.
2 + + — — — – + — IV B. Coscoroba
" I I ,
n i l .
1 tube 20 cc. of water taken
3 + – – – – – + — I B. Vesiculosus
. .
„ III, n i l .
2 tubes 10 cc.
1
1
. .
4 + – – – – –
+ — I
Do.
. '
„ IV, 2.
3 " 5 cc. . .
2
. .
5 + – — — — — — — I B. Mutabilis
..
3 " 1 cc.
3
. . 6 + + — — — — + — IV B. Coscoroba.
. .
..
3 " .1.cc.
3 . .
7 + – – – – – + — I B. Vesiculosus
Class I ;
N i l .
3 " .01 cc. ..
1
2
8 ++– – — — —
+ —
I
..
Do.
. .
" I I , 2 .
„
,,
. . 3
9 + – – – – – +
— I
Do.
" III, 8,
1 0
+ – – – – – + — I
. .
Do.
.. ....
(c) Fœcal bacilli in 1 cc. and upwards.
.
Do.
,.
S A M P L E I I . — J A I L D R I N K I N G – W A T E R W E L L .
1 + — — – — — +
–
I B. Vesiculosus
.. Group I , 6 .
2 + + —
– — — + — IV B. Coscoroba
..
" I I ,
N i l
.
( a) Total colonies per cc. on agar at 37°—countless.
3 + + – – — — + – IV
D o . . .
" III, N i l
.
4 + — —
– — — + — I B Vesiculosus ..
„ IV, 4 .
(b) Bile salt loctose, medium.
_
5 + + —
– — — + — IV B. Cosc’oroba . .
....
+
—
6 + + – – – — + — IV
Do.
..
....
7 + — – — — + – — I B. Vesiculosus .. Class I,N i l
.
8 + — – — — — + — I
Do.
. -
" I I , 4 .
1 tube 20 cc. of water taken
..
1
. . 9 + — – — — — + — I
Do.
.. „ III, 6.
2 tubes 10 cc.
" . .
2
. .
1 0 + — – — — — + — I
Do.
..
. . . .
3 „ 5 cc. " .
3
. .
3 „ 1 cc.
"
3
..
3 „ .1 cc. " . .
2
1
3 „ .01 cc. ,, . .
3
(c) Fœcal bacilli in .1 cc. and upwards.
REPORT.
In former reports the drinking-water of this jail was adversely criticised on account of its chemical
. f e a t u r e s c h i e f l y , a n d t h e s e o b j e c t i o n s s t i l l h o l d g o o d w i t h r e g a r d t o t h e w a t e r o f t h e j a i l d r i n k i n g - w a t e r w e l l .
With forty-seven degrees of total hardness, twenty-three of which are permanent, that is, due to sulphates of
lime and magnesia, this water can hardly fail to have a disturbing effect on the digestive system. The
salinity is also too high, and the very high figure for nitric nitrogen points to antecedent pollution, though
this has now been rendered unobjectionable.
The water of the temple well is different in several particulars, some of the differences being for the
better, others most definitely for the worse. The water is not nearly so hard, and as the greater part of the
hardness is temporary and could be got rid of by clarking or boiling, it is much more suited for drinking
purposes than the water of the jail well. The salinity also is not so high, but having said this we have
exhausted all the points in its favour. The figures for the nitrogens and absorbed oxygen are far too high
and point not only to antecedent but recent pollution. This may be due to the cultivation in the near
neighbourhood of the well, in which case it might be got rid of. If this organic pollution could be got rid
of, the water of this well would be definitely superior to that of the jail drinking-water well.
Bacteriologically there is not much to be said about these waters. They are essentially similar though,
contrary to what might have been expected, the jail well drinking-water is slightly the worse in having a
greater number of intestinal organisms. Probably the meteorological conditions were such that the polluting
matter had been subjected in a considerable degree to natural purifying agencies before it got access to
the water, so that the fœcal germs are not of an objectionable kind. This state of affairs cannot, however, be
depended on to continue indefinitely. The high number of saprophytic organisms is against both waters.