122
OOTACAMUND.
WATER SAMPLES TAKEN—20TH AND 21sT SEPTEMBER 1912.
Remarks .—The supply is constant. The level of water and the rainfall in the various
reservoirs are as follows :—
Names of reservoirs.
Level of water.
Rainfall since last
analysis.
Dodabetta, Upper ...
...
... Full and overflwoing
18.30 inches.
Do.
Lower ...
Do.
Tiger Hill
...
...
36.40 feet.
Marlimund ...
...
...
18.60 „
18.82
„
Kodappamund
..
Full and overflowing
...
Old Ooty Cistern ...
...
...
Do.
. . .
Bacteriological Analyses.
SAMPLE I.—TAP IN FRONT OF DODABETTA UPPER RESERVOIR.
N u m b e r .
L a c t o a 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 e .
V o g e s a n d P r o s k .
I n d o l .
M o t i l i t y .
G r o u p .
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37°C.—552.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
...
...
...
. . .
1
...
1
+ -
- - - -
+-
I B. Vesiculosus
Group I, 10.
2 tubes Of 10 cc.
...
...
. . .
. . .
2
. . . 2
+ -
- - - -
+ - I
Do.
„
II, nil.
3 „ 5 cc.
...
...
...
. . . 3
. . .
3 + -
- - - -
+ - I
Do.
„
III,nil.
3
„ 1 cc.
...
...
...
. . .
3
. . . 4 + -
- - - -
+ - I
Do.
3
„ . 1 c c .
. . .
. . .
. . .
. . .
. . .
3
5 + -
- - - -
+ -
I
Do.
„ I V ,
n i l .
3 „
. 0 1 c c .
. . .
. . .
. . .
. . .
. . .
3
6 + -
- - - -
+ - I
Do.
Fœcal bacilli in 1 cc. and upwards.
7 + -
- - - -
+ - I
Do.
... Class
I, nil .
8 + -
- - - -
+ -
I
Do,
„ I I ,
n i l
.
No vibrios in 100 cc.
9 + -
- - - -
+ -
I
Do.
10 -
- - - -
+ -
I
Do.
... „
III, 10.
SAMPLE II.—TAP IN FRONT OF DODABETTA LOWER RESERVOIR.
1 +
-
- - - -
+ -
I B. Vesiculosus.
Total colonies per cc. on agar at 37°C.—88.
2 + -
- - - -
+ -
I
Do.
... Group I, 10.
3 + - - - - - + -
I
Do.
...
II, nil.
Bile salt lactose, medium.
+
-
4 + -
- - - -
+ -
I
Do.
...
„ III, nil.
5 + -
- - - -
+ -
I
Do.
...
„
IV, nil .
6 + -
- - - -
+ -
I
Do.
...
1 tube of 20 cc.
...
...
1
. . .
7 + -
- - - -
+ -
I
Do.
...
2 tubes of 10 cc.
...
...
...
. . .
2
. . .
8 + -
- - - -
+ -
I
Do.
...
Class
I, nil .
3
„ 5 c c .
. . .
. . .
. . .
. . .
3
. . .
9 + -
- - --
+ -
I
Do.
...
„ I I ,
n i l .
3 „1 cc.
...
..
.
1
2
1 0 + -
- - - -
+ -
I
Do.
...
„
III, 10.
3 „
.1 cc. ... ..
.
. . .
3
3 „
. 0 1 c c .
. . .
. .
.
. . .
3
Fœcal bacilli in 5 cc. upwards.
No vibrios in 100 cc.
SAMPLE III.—D0DABETTA PIPE LINE.
1 + - - - - - + -
I B. Vesiculosus.
Total colonies per cc. on agar at 37° C.— 30.
B i l e s a l t l a c t o s e , m e d i u m .
+
-
2 + -
- - - -
+ -
I
Do.
...
Group I, 10.
3 + -
- - - - + -
I
Do.
...
„ I I ,
n i l .
1 tube of 20 cc.
...
.
..
...
1
. . .
4 + -
- - - - + -
I
Do.
...
„ I I I ,
n i l .
2 tubes of 10 cc.
...
2
. . .
5 + -
- - - - + -
I
Do.
...
„
IV, nil.
3 „
5 cc.
...
...
2
1
6 + -
- - - -
+ -
I
Do.
...
3 „
1cc.
...
...
...
...
. . .
3
7 + -
- - - -
+ -
I
Do.
...
3 „
.1 cc.
...
...
...
...
. . .
3
8 + -
- - - -
+ -
I
Do.
...
Class
I, n i l .
3 „
.01 cc.
...
...
. . .
3
9 + -
- - - -
+ -
I
Do.
...
„ I I , 1 0 .
1 0 + -
- - - -
+ -
I
Do.
...
„
I I I , 1 0 .
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP IN FRONT OF TIGER HILL RESERVOIR.
1 +
-
- -
-
-
+
-
I B. Vesiculosus.
Total colonies per cc. on agar at 37°C.—610.
2 + -
- - - -
+ -
I
Do.
...
Group I, 9.
3 + -
- - - -
+ -
I
Do.
...
„
II, nil.
Bile salt lactose, medium.
+
-
4 + -
- - - -
+ -
I
Do.
...
„
III,n i l .
5 + -
- - - -
+ -
I
Do.
...
„
IV, 1.
6 + -
- - - -
+ -
I
Do.
...
1 tube of 20 cc.
...
...
...
1
. . .
7 + - - - - -
+ -
I
Do.
...
2 tubes of 10 cc.
...
... . . .
. . .
2
...
8 + - - - - -
+ -
I
Do.
...
Class
I, nil.
3
5 cc.
...
...
...
3
...
9 + + - - - - + -
I V B. Coscoroba
„
II, 1.
3
„
1 cc.
...
...
. . .
1
2
1 0 + - - - - -
+ -
I B. Vesiculosus
„
III, 9.
3
„
. 1 cc.
...
...
. . .
. . .
3
3 „
.01 cc.
...
...
. . .
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.