WATER SUPPLY OP PASTERN AND SOUTHERN PEORIDA. 149 
LOSS OF HEAD AND REDUCTION IN FLOW. 
Exact measurements of loss of head and reduction in flow in 
artesian wells are usually difficult to obtain. In the case of the 
Jacksonville city water supply, fortunately, measurements of flow 
have been taken at intervals from the time the first wells were 
put down in 1885 to the present time. These measurements kept 
through a period of 24 years afford records of especial interest 
and value. The following table of flow was supplied J}y Capt. 
R. N. Ellis, Superintendent of the Jacksonville city water supplv. 
Two basins are used to receive the flow known as the north 
basin and the south basin. The wells are grouped in the table 
according to the basin into which they flow. The wells are 
OF FLOW OF ARTESIAN WELLS. 
CITY WELLS, 1885-1904. 
1896 
1897 
1898 
1899 
April 
; 
1900 
1901 
1902 
Jan. 
1902 
Nov. 29 
1903 
1904 
April 1 
1904 
Oct. 26 
188,568 / 
1,354,320) 
208.640 
662.640 
207,360 
602,640 
191,8051 
419,902 r 
1,883,093J 
1,108,080 
881,280 
,2,287,440 
1,710,720 
1,710,720 
1,684,800 
1,684,800 
. 
. 
Aug. 1 
601,500 
. 
285,69b] 
l,093,456j 
.J 
1,368,576 
1,368,576 
1.322,220 [ 
590,676J 
. 
1,829,947 
1,441,147 
1,418,907 
1,368,576 
1,368,576 
1,347,840 
1,099,080 
1 
2,922,087 
289,451 
1,064,869 
I 
2,476,656 
445,381 
2,249,876 
226,800 
2,784,176 
56,356 
534,320 
2,639,947 
144,529 
3,935,947 
587,093 
1,296,000 
3,706,347 
229,600 
1 
3,079,296 
627,057 
3,079,296 
3,032,640 
46,656 
3,385,380 
352,740 
248,760 
. 
