DAY — WATER SDPFLY. 
63:- 
Tuesday , September 9th, 1873. 
At Mr. R. Guppy’s house, La Falaise, San Fernando; 
H. W. Caird Esq., M.A, President in the Chair. 
The following donation was announced : 
‘‘Journal of the Society of Arts, Nos. 1078 — 1 082- — - 
from the Society. 
Julian Augustus Lea L.R.C Pi Lond., John Arnold, 
L.R.C.P. Lond. and John Brandford White, M.R.CW.S. 
Lond. were elected members of the Association. 
The following communication was- read : 
Some remares on the quality of the Water Supply of 
Port-of-Spain, and on the Waters proposed to be used 
for the supply of San Fernando ; with a note on 
the quality of the Water from the Piparo Spring. 
I have much pleasure in placing before the Association 
the results I have obtained by the analysis of some samples 
of drinking water used in this Island, First, the waters 
daily supplied for use in Port-of-Spain from the St. Ann’s 
and the Maraval rivers, and second, the analyses of some 
waters proposed to be used for the supply of the Town of 
San Fernando. With regard ta the quality of the water- 
supply of Port-of-Spain, little can- be said to its disadvan- 
tage ; both samples are nearly free from organic impurity, 
and shew but little contamination with the results of de- 
composed animal or vegetable matter. The water supplied 
from St. Ann’s reservoir is slightly harder than that from 
the Maraval, and slightly less contaminated with organic 
impurity. Compared with the water supplied to some of 
the great towns in Europe, London for instance, these 
waters shew well, being in almost every respect superior. 
It must however be borne in mind that the samples were 
