180
TABLE I.— Table showing the quantity of pollution in each sample.
Names of municipalities.
Unfiltered or natural waters.
Filtered waters.
Water taken from pipes.
T o t a l c o l o n i e s p e r c c . o n a g a r 3 7 º C .
Lactose fermen
¬t
ers in
V i b r o s i n 1 0 0 c c .
T r u e c o l i c o m .
T o t a l c o l o n i e s p e r c c . o n a g a r 3 7 º C .
Lactose fermen
¬t ers in
V i b r o s i n 1 0 0 c c .
T r u e c o l i c o m.
T o t a l c o l o n i e s p e r c c . o n a g a r 3 7 º C .
Lactose fermen-
tors in
V i b r o s i n 1 0 0 c c .
Tr u e c o l i c o m.
2 0 c c . 10 cc.
5 c c . 1 cc.
. 1 cc . 0 1 c c .
2 0 c c . 1 0 c c . 5 c c . 1 cc. 1 c c . 0 1 c c .
2 0 c c .
1 0 c c .
5 c c .
1 c c .
1 c c
. 0 1 c c .
A . — R i v e r w a t e r s a n d g a l l e r i e s i n r i v e r s .
Bezwada
. . .
93 + + + - - -
-
-
720
+ + + +
- - - -
24 - - - - - - - -
Canal ...
670 + + + + - - - +
193 +
+
+
-
- - - -
270 + + + - - - - -
Cocanada
Stored ...
400
- -
- - -
- -
-
260 + +
+ - - - - -
Conjeeveram .....
1,050 + + + + + - - -
† + + + + + - - -
4,700 + + + + + - -
-
430 + + + + + - - -
Gudiyāttam
...
...
4,640 + + + + + - - +
3 3 + + + - - - - -
2,520 + + + + - -
- -
Canal . . .
3,470 + + + - - - - -
Kurnool ... Stored ...
47
+ + + - - - - -
85 + + - - - - - -
131 + + - - - - - -
1 1 4 + + + - - - - -
Madura ...
... ...
4,200 + + + + + - - -
164 +
- - - -
- - -
340 + + + + - - - -
200 + + + + - - - -
Nellore
1,570 + + + + + -
- -
3,100 + + + + - - - -
800 + + + + - - - -
700 + + + + - - - -
Tanjore ...
... ...
Countless + + + + + - - -
†
- -
- -
- - -
-
360 + + + - - - - -
790 + + + + - - - -
Trichinopoly ...
†
+
+ + + +
+
- -
1,530 + + + + - - -
-
860 + + + - - - -
-
2,436 + + + + - - - -
Tirupati * ...
...
40
+
+
- - -
- - -
Countless + + + + - -
- -
650 + + + + - - - -
580 + + + - - - - + I
600 + + + + - - -
-
Average ...
2,203 + + + + - -- - 1/11
2,476 + + + - - - - 1/11
847 + + + + - - - -
B . — U p l a n d s u r f a c e w a t e r s .
Adōni
...
...
2,150 + + + + + - - -
3,110 + + +
+
- - - -
3,620 + + + + - - - -
4,540 + + + + - - - -
Coonoor ...
...
...
360 + + + + - - - -
220 + + + +
-
-
- -
198 + + + + +
-
- - -
172 + + + + -
- - -
Madras —
910 +
+
+
-
- - - -
Sholavaram Channel.
Countless + + + + - - - -
1,060 + + + +
- - - -
880 + + - - - - + -
.
Red Hills lake
...
450 + + -
- - - + -
21 + + + + - - - -
Ootacamund ...
39 + + + + - - - -
54 + + + + - - - -
25
+ +
+ + - -
- -
108
+ + + - - -
- -
47 +
+ + - - - - -
356
- - -
- - - - -
21 +
+ + - - - - -
16 + + - - - - - -
60
+ +
+ -
- - - -
90 + + + - - - - -
Vellore ...
...
43
- - -
- - - - -
310 + + - - - - - -
110
640 + - - - - -
-
-
Vizagapatam ...
...
80 + + + - - - -
-
526 +
- - -
- - - -
Average ...
1,113 + + + - -
-
3 / 1 3
-
1,093 + + + - - - - -
890 + + + + - - - -
C . — S p r i n g w a t e r s ,
Adōni (spring) ...
...
95 + + + + + - - -
Cuddapah
...
120 + + + + - - - -
220 + + + + - - - -
125 + + + - - - - -
Deep well ...
6,150 + + + + - - - -
D i n d i g u l
80 + + + - - - - +
Well ...
1,610 + + + - - - - -
165 +
+
+
- - - - -
271 + + + + - -
- -
Guntū r
...
...
1,490
+ + +
+ + - -
-
221
+ + + + - -
-
-
Average ...
1,994 + + +
+
+
- - -
828 + + + + + - - -
186 + + + + - - - -
* These waters are well waters in the bed of a river.
† Signifies "not determined."
For the purposes of averages "Countless " is taken to be 10,000.
The various quantities of the sample that showed the presence of fœcal bacilli are marked +; those from which these organisms.
were absent, are marked—.