107
S A M P L E V . — R E S E R V O I R W A T E R — F I R S T T A P A F T E R R E S E R V O I R .
C o l o n y n u m b e r s
Sa c c hor s e s
D u l c i t
Adonit
Inulin
Voge e s Pr os k
Indol <obi l i t y
Group
Bacillus.
Group an
d R e ma r k s .
(a) Total colonies on agar at 37°—Countless (very small
colonies to naked eye).
( b
) B i l e s a l t g l u c o s e m e d i u m .
+
–
1 tube of 20 cc. of water taken
...
1
. . .
1 + – – – – + + IV B. No. 106 ...
... Group I, nil.
2 tubes of 10 cc.
...
2
. . .
2
+ – – – – + + IV
Do.
, , I I ,
n i l
.
4 , t u b e s o f 1 0 c c . o f w a t e r t a k e n.
. .
1
3
3
+ – – – – + + IV
. . . .
„ III, nil.
5 , , 1 c c o f w a t e r t a k e n . . .
...
5
4 + – – – – + + IV
......
„
1V, 10.
5,,
1 cc ,, ... ...
5
5 + - - – - + + IV
. . . . .
5 , , 0 1 c c , , . . .
. . .
5 6 + – - - – ++ IV
. . . . . . .
7 + – – – – + + IV
. . . . . .
8 + – –
– + + IV
......
9 + – – – – + + IV
. . . . . .
c) F œ c a l
b a c i l l i i n
1 0 c c .
and upwards.
10 + – – – – + + IV
......
SAMPLE VI.—ONE OF THE FOUR TAPS IN FRONT OF COLLEC-
TOR'S OFFICE, ABOUT TWO MILES FROM HEAD WORKS IN
BUDERET.
1 +
– – – – + + IV B. No. 106 ...
... Group I, nil.
2 + – – - – – + + IV
Do.
II, nil.
( a ) Total colonies on agar at 37º—Countless (very small
to naked eye) appearance.
3 + – – – – + + IV
Do,
III, 1.
4 + – – – – – + IV B. Cloacæ
...
...
IV, 9.
5 + – – – + + + IV
......
6 + .– – – – + + IV B. No. 106.
(b) Bile salt glucose, medium.
+
– 7 + – – – – – + + 1V
Do.
8
+ – – – – + + IV B. No. 71.
1 tube of 20 cc. of water taken
. . .
1
. . .
9 + - - - + – + IV
......
2 tubes of 10 cc.
2
. . . 10 + - – – – + - IV B. Coscoroba.
4 , , 5 c c . , , . . .
1
. . .
5
,,
1 cc.
, , ...
...
5
5
, ,
1 c c .
, ,
. .
. . .
5
5
„ 01 cc.
,,
... ...
5
(c) Fœcal bacilli in 10 cc. and upwards.
(d) sporogenes milk test - in 20 cc.
SAMPLE VII.—FOUNTAIN No. 12 IN BASTIAN ROAD IN KUR-
NOOL FORT, Two MILES FROM HEAD WORKS.
1 + – – – +
–
+ IV B. Cloacæ
...
... Group I, nil.
2 + - - - + ++ IV
II, nil.
3 + - - - - +1+ IV B. No. 106- ...
...
III, nil.
(a) Iotal colonies on agar at 37º—Countless (very small
to naked eye).
4 + – – – – + + IV
Do.
IV, 10.
5 + – – – – + + IV
Do.
6
+
+ – – – –
I + IV
D o .
(b) Bile salt glucose, medium
7
+ – – – – + + IV
......
+
–
S
+ – – – – – – – IV B. No. Coscoroba.
9
+ – – – – + + IV B. No. 106.
1 tube of 20 cc. of water taken
...
...
1
10
+ – – – – – + + 1V
Do,
2 tubes of 10 cc.
. . .
1
1
4 ,, tubes of 5 cc. of water taken ...
...
4
5
1 ,, ....
. . .
5
5
1 cc.
,,
. ..
. . .
5
5 „
01 cc.,
. . .
(c) Fœcal bacilli in 50 cc. and upwards.
(d) Sporogenes milk test - in 20 cc.
REPORT.
T h e s a m p l e t a k e n f r o m t h e C u d d a p a h - K u r n o o l c a n a l s h o w s c o n s i d e r a b l e p o l l u t i o n , f œ c a l b a c i l l i b e i n g
'p resent in .1 cc. The organisms present are distinctly objectionable.
2. Samples taken from the settling tanks show that there is considerable improvement in quality, but
not much improvement in quantity of these fœcal organisms as they are present in 1 cc.
The sample taken immediately after fiteration shows considerable improvement, fœcal organisms being
p r e s e n t i n 1 0 c c .
Samples taken froM the distributary system also show further improvement, so that the water taken from
t h eh
y d r a n t i s o f g o o d . q u a l i t y .
Chemically the sample taken from the canal is of a fair quality only after filteration it may be looked
upon as good wat er .