75
OOTACAMUND.
WATER SAMPLES TAKEN—13TH, 14TH AND 15TH JUNE 1912.
Remarks. —The supply is constant. The level of water and the rainfall in the various
reservoirs are as follows :—
Name of reservoir.
Level of water. Rainfall in inches.
...
Dodabetta, Upper
...
. ..
... 24.70
7.76
Do.
Lower
...
...
...
5.90
..
Tiger Hill
...
...
...
... 30.95
Marlimund
...
.. . ... . ... ...
14.40
13.55
Kodappamund ...
..
....
... Nearly full.
Old Ooty Cistern
...
......
...
... Nearly full.
Bacteriological Analysis.
SAMPLE I.—TAP IN FRONT OF KODAPPAMUND RESERVOIR.
Total colonies per cc. on agar at 87° C.—50.
N u m b e r . L a c t o s e .
S a c c h a r o s e . Dul ci t e.
Adoni t e .
Inul i n.
V o g e s a n d P r o s k .
Indol.
Mot i l i t y. Group.
Name of Bacilli.
Group and
Remarks.
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 B. Grunthal
"
II, nil.
3 "
5 cc.
...
..
..
3
...
3 + - - - - - + - I B. Vesiculosus
...
" III, nil.
3 "
1 cc.
...
...
...
...
1
2
4 + - - - - - + - I
Do.
... "
IV, nil.
3 "
.1 cc.
...
...
...
...
1
2
5 + - - - - - + - I
Do.
3 "
.01 cc. ...
. .
...
3
6 + - - - - - + - I
Do.
7 + - - - - - + - I
Do.
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
8 + - - - - - + - I
Do.
... Class
I, nil.
9 + - - - - - + - I
Do.
II, nil.
10 + - - - - - + - I
Do.
... "
III, 10.
SAMPLE II.—TAP IN FRONT OF OLD OOTY CISTERN.
Total colonies per cc. on agar at 37ºC.—50.
1 + + - - - - + - IV B. Coscoroba
... Group I, nil.
2 + + - - -
+ - IV
Do.
" II, nil.
3 + + - - -
+ - IV
Do.
III, nil.
Bile salt lactose, medium.
+
-
4 + + - - - - + - IV
Do.
" IV, 10.
5 + + - - - - + - IV
Do.
6 + + - - - - - IV
Do.
7 + + - - - - + - IV
Do.
1 tube of 20 cc.......
1
...
8 + + - - - - + - IV
Do.
... Class
I, nil.
2 tubes of 10 cc..
1
1
9 + + - - - - + - IV
Do.
" II, 10.
3 "
5 cc.
1
2 10 + + - - -
+ - IV
Do.
... "
III, nil.
3 "
1 cc.
1
2
3
.1 cc.
...
...
...
... ...
3
3 "
.01 cc.
...
...
...
... ... 3
Fœcal bacilli in 10 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP IN FRONT OF DODABETTA UPPER RESERVOIR.
Total colonies per cc. on agar at 37°C.—Cannot be counted.
1
+
-
- - - -
+ - I B. Vesiculosus
... Group I, 10.
2 + - - - - - + - I
Do.
...
"
II, nil.
3 + - - - - - + - I
Do.
" III, nil.
Bile salt lactose, medium.
+
-
4 + - - - - - + - I
Do.
" IV, nil.
5 + - - - - - + - I
Do.
6 + - - - - - + - I
Do.
1 tube of 20 cc.
...
...
...
...
...
1
7 + - - - - - + - I
Do.
2 tubes of 10 cc.
1
1
8 + - - - - - + - I
Do.
... Class
I, nil.
3 "
5 cc. ...
2
1
9 + - - - - - + - I
Do.
" II, nil.
3 "
1 cc.
...
...
...
...
...
3
3 "
.1 cc. .. .. . .
...
3
3 "
.01 c.c. ... ... ..
...
3
Fœcal bacilli in 20 cc. and upwards.
No vibrios in. 100 cc.
SAMPLE IV.—TAP IN FRONT OF DODABETTA LOWER RESERVOIR.
Total colonies per cc. on agar at 37ºC.—A. single large colony.
1
+
+ - - - - + - IV B. Coscoroba
Group I, nil.
2 + + - - - - + - IV
Do.
" II, nil.
3 + + - - - - + - IV
Do.
...
" III, nil.
Bile salt lactose, medium.
+
-
4 + + - - - - + - IV
Do.
" IV, 10
5 + + - - - - + - IV
Do.
6 + + - - - - + - IV
Do.
7 + + - - - - + - IV
Do.
1 tube of 20 cc.
...
...
1
8 + + - - - - + - IV
Do.
... Class
I, nil.
2 tubes of 10 cc.
...
...
...
...
1
1
9 + + - - - - + - IV
Do.
" II, 10.
3 " 5 cc. ... .. ... ...
...
3 10 + + - - - - + - IV
Do.
" III, nil.
3 "
1 cc.
..
...
..
...
3
3". 1 cc.
...
...
...
...
...
3
3 "
.01 cc. ... ... ...
... 3
Fœcal bacilli present in 60 cc.
No vibrios in 100 cc.
23