REPORT OF THE KING INSTITUTE, GUINDY
TABLE XV.
Synopsis of results of examination of water samples. —In the columns headed
dates and results, first the date of examination is given and then the minimum
number of cubic centimeters of water in which lactose fermenters could be found.
When these were absent in 60 c.c., the mark > is written before 60 to indicate
that the minimum quantity was something greater than 60 c.c. Unless otherwise
stated, filters refer to slow sand filters. The expression " Distributary system "
includes service reservoirs.
Municipalities.
No.
Source.
Dates of examination and results.
Remarks on suppl y.
1 Adōni
29 Apr. 1926
26 Oct. 1926.
Bad at the first and indifferent at the
s e c o n d e x a m i n a t i o n .
Spring
0.01 c.c.
5 c.c.
Well in Nallacheruvu
0.01 c.c.
10 c.c.
Filtered water
0.01 c.c.
5 c.c.
Distributary system
0.01 c.c.
5 c.c.
2 Anantapur
26 Apr. 1926
12 Oct. 1926.
Indifferent. Infiltration gallery is
unable to deal with flood water
effectively. (At this period chlorin a
-
tion is necessary.)
River water
. . .
0.01 c.c.
Infn. gallery
20 c.c.
1 c.c
Dy. system
60 c.c.
1 c.c.
3 Berhampur
20 May 1926
8 Dec 1926.
Very good initially but deteriorates in
distribution.
Tank water
20 c.c.
20 c.c.
Filtered water
>60 c.c.
>60 c.c.
Dy. system
10 c.c.
5 c.c.
4 Bezwada
27 Sep. 1926
8 Mar. 1927.
Good. Sample from pumping station
continues to show high free ammonia.
See report.
Wells
20 c.c.
20 c.c.
Dy. system
20 c.c.
20 c.c.
5 Chidambaram
7 Aug. 1926
10 j an. 1927.
Good, but variable because water
deteriorates in quality in distributary
system.
Tank
5 c.c.
20 c.c.
F.W. (methl.)
20 c.c.
>60 c.c.
Dy. system
1 c.c.
1 c.c.
6 Chingleput
9 Apr. 1926
4 Oct. 1926.
Excellent.
Infn. gallery
>60 c.c.
>60 c.c.
Dy. System
>60 c.c.
>60 c.c.
7 Cocanada
8 June 1926
21 Dec. 1926
Some filters sometimes act more satis-
factorily than before, but the final
mixture delivered is no better than
raw water because of other filters
not working well.
Tank
5 c.c.
5 c.c.
F.W.
5 c.c.
5 c.c.
Dy. system
5 c.c.
5 c.c.
8 Conjeeveram
10 Apr. 1926
5 Oct. 1926.
Indifferent and variable.
Infn. gallery
10 c.c.
1 c.c.
Dy. system
5 c.c.
5 c.c.
9 Coono or
19 Aug. 1926
16 Feb. 1927.
Passable.
Upland surface water
5 c.c.
5 c.c.
Dy. system
5 c.c.
20 c.c.
10 Cuddapah
13 May 1926
7 Jan. 1927.
Indifferent.
Infn. gallery
1 c.c.
5 c.c.
Dy. system
1 c.c.
5 c.c.
11 Dindigul
16 Apr. 1926
2 Nov. 1926.
Passable.
Infn. gallery
5 c.c.
10 c c.
Dy. system
5 c.c.
10 c.c.
12 Ellore
27 Aug. 1926
15 Feb. 1927.
Indifferent and variable.
Tank
1 c.c.
5 c.c.
F.W.
1 c.c.
>60 c.c.
Dy. system
5 c.c.
5 c . c .
13
Erode
6 Sep. 1926
26 Jan. 1927.
Indifferent, Results continue . to be
variable and to depend upon the way
the filters are worked.
River water
0.1 c.c.
1 c.c.
Mechl. filtered water
>60 c.c.
5 c.c.
Dy. system
60 c.c.
1 c.c.
14 Gudiyā ttam
4
1 Nov. 1926
Variable. Good at the first and in
-
different at the second examination.
Deteriorates further in distribution.
Infn. gallery
>60 c.c.
10 c.c.
Dy. system
60 c.c.
,
1
c . c .
15 Guntūr
27 Sep. 1926
8 Mar. 1927
Poor. Chlorination practised during
the year was inefficient at first but
successful at the second examination.
Infn. gallery
1 c.c.
1 c . c .
Dy. system
5 c.c.
>60 c.c.
31