300 



The Philippine Journal of Science 



DEEP WELLS 



1914 



The best natural potable water is at present furnished by- 

 artesian wells, and as has already been indicated this source is 

 being rapidly utilized. Table V, showing the number of wells 

 drilled by the Bureau of Public Works from year to year, in- 

 dicates the manner in which the work of supplying the country 

 with water is progressing. 



Table V. — Wells drilled by Bureay, of Public Works. 



Year ending June 30 — 



Deep 



wells 



driven. 



Jet-rig 



wells 



driven. 



Insular 

 expend- 

 iture. 



1905 



2 

 3 

 12 

 9 

 12 

 13 

 17 

 42 

 92 

 55 





Dollars. 



6,600 



6,000 



14.000 



21,000 



55,000 



98, 500 



154,400 



154.500 



186,900 



121,300 



1906 - _ 





1907 





1908 ! 





1909 .... .... 



112 

 159 

 199 

 104 

 54 

 29 



1910 



1911 . 



1912 . . . - . 



1913 — . 



1913 (July 1-Dec. 31) ... 



Total 



257 



657 



818, 100 





Table VI contains sanitary analyses of water from deep wells 

 throughout the Philippine Islands.* 



' Technical analyses of waters are included in Table VII. 



