WATER RESOURCES OF ORANGE COUNTY 53
,oo -T- I I-- 700 -Period of record "
Oct0o ber 1950 to September 1962
300 -- 
200-"
S0 -- LOW TO NORTH
(n)
0n 50 --- -J
07 - FLON TO SOUTH
0.5
0.30
OTE-.5O 20 ti
PERCENT CF TIME DISCHARGE EQUALED OR EXCEEDED THAT SHOWN
Figure 21. Flow-duration curve for Myrtle-Mary Jane Canal near Narcoossee.
Water from A jay-East Tohopekaliga Canal, collected at station
LL 20- - 
2 during low flow on May 23, 1961, was very soft (18 ppm), and
low in mineral content (39 ppm, estimated from its conductivity).
ST. JOHNS RIVER BASIN
St. Johns River
The St. Johns River is the eastern boundary of Orange County. Small tributaries drain 174 square miles of Orange County directly to the St. Johns River. An additional 490 square miles of the county are drained to the St. Johns River by tributaries which flow across the county line from the south before oinin the main stem.
3 !- 
D
U)
0.1 I- I I I. I~
0.01 0.050.1 0,2 0.5 1 2 5 10 20 30 40 50 60 70 80 90 95 98
PERCENT OF TIME DISCHARGE EQUALED OR EXCEEDED THAT SHOWN
Figure 21. Flow-duration curve for Myrtle-Mary Jane Canal near Narcoossee.
Water from Aj ay-East Tohopekaliga Canal, collected at station 2 during low flow on May 23, 1961, was very soft (16 ppm), and low in mineral content (39 ppm, estimated from its conductivity).
ST. JOHNS RIVER BASIN
St. Johns River
The St. Johns River is the eastern boundary of Orange County. Small tributaries drain 174 square miles of -Orange County directly to the St. Johns River. An additional 490 square miles of the county are drained to the St. Johns River by tributaries which flow across the county line from the south before joining the main stem.