SURFACE WATER SUPFLY of the UNITED STATEP
SURFACE WATER SUPFLY of the UNITED STATEP
SURFACE WATER SUPFLY of the UNITED STATEP
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264 SI. JOB® RIVER BASIN<br />
Econlockhatchee Headwaters Canal tiear Wewahotee,-<br />
Location^- Staff gage, lat. 28°g5«, long. 81°07', In sec. 9, T. 24 S., R. 32.E., &t<br />
bridge, 0.2 <strong>of</strong> a mile south <strong>of</strong> highway between Wewahotee and State Highway 29 ana 1*<br />
miles west <strong>of</strong> Wewahotee.<br />
Records available.- July 1942 to September 1945 (discharge measurements only).<br />
~g^&^SB": Jfexlmum discharge measured, 173 second-feet Sept. 19, 1945; no flow<br />
1944, Jfey 24, 1945.<br />
rks.- Measurements are made near bridge.<br />
Discharge measurements. In second-feet, water year October 1944 to September 1945<br />
Date<br />
Mar. 14......<br />
Discharge<br />
88.1 '<br />
1.S6<br />
a. 5<br />
Date<br />
Aug. 1......<br />
Discharge<br />
8 m<br />
20.8<br />
a Discharge estimated.<br />
Econlockhatchee River near Chuluota, Fla.<br />
Date Discharge<br />
Location.- Water-stage recorder, lat. 28°41', long. 81°07', on line between sees.'9 and<br />
10, T. 21 S., Rl 32 E., at highway bridge 3 miles nor<strong>the</strong>ast <strong>of</strong> Chuluota. Datum <strong>of</strong> gage<br />
Is 2.135 feet above mean sea level (Corps <strong>of</strong> Engineers, U. S. Army, bench mark). Aux<br />
iliary water-stage recorder on St,. Johns River, at bridge on state Highway 44, 1 mile<br />
downstream from Econlockhatchee River and 7 miles downstream from base gage. Datum <strong>of</strong><br />
gage is at mean sea level, datum <strong>of</strong> 1929 (Corps <strong>of</strong> Engineers, U. S. Army, bench mark).<br />
Dralnags area.- 296 square miles.<br />
Records available.- November 1935 to September 1945.<br />
Extremes.- Maximum discharge during year, 9,040 second-feet Sept. 18 (gage height, 17.93<br />
feet)', fr"om rating curve extended above 2,400 second-feet; minimum, 6.7 second-feet<br />
June 11-13, 15; minimum gage height, 0.44 foot June 15-17.<br />
s 1935-45: Jfeximum discharge, that, <strong>of</strong> Sept. 18, 1945j minimum, tha.t <strong>of</strong> June 11-13,<br />
15, 1945; minimum gage'height, that <strong>of</strong> June 15-17, 1945.<br />
Maximum stage known, that <strong>of</strong> Sept. 18, 1945.<br />
Remarks.- Records fair. Discharge computed by using fall as determinec1 by auxiliary water-<br />
Day<br />
1<br />
2 3<br />
4<br />
5<br />
6<br />
7 69<br />
10<br />
11<br />
12<br />
13<br />
14<br />
15<br />
16<br />
17<br />
18<br />
19<br />
20<br />
21<br />
22<br />
23<br />
24<br />
25<br />
26<br />
27<br />
28<br />
29<br />
30<br />
31<br />
Oct.<br />
105<br />
96<br />
84<br />
76<br />
72<br />
64<br />
60<br />
58<br />
63<br />
63<br />
60<br />
56<br />
58<br />
49<br />
48<br />
53<br />
57<br />
89<br />
1,130<br />
3,880<br />
6,100<br />
5,490<br />
3,960<br />
2,650<br />
1,640<br />
Discharge, In second-feet, water year October 1944 to September 1945<br />
SOTT.<br />
284<br />
860<br />
236<br />
287<br />
217<br />
Dec.<br />
49<br />
48<br />
48<br />
46<br />
43<br />
Jan.<br />
33<br />
34<br />
37<br />
43<br />
54<br />
Feb.<br />
66<br />
61<br />
57<br />
53<br />
51<br />
Mar.<br />
27<br />
26<br />
26<br />
25<br />
24<br />
Apr.<br />
1i<br />
1 I<br />
11 5S<br />
13<br />
Ma?<br />
9.0<br />
8.8<br />
8.4<br />
7.9<br />
7.6<br />
Jvne<br />
7.6<br />
7,0<br />
7.0<br />
7.6<br />
S.4<br />
July<br />
375<br />
809<br />
836<br />
852<br />
874<br />
Aug.<br />
339<br />
296<br />
259<br />
226<br />
211<br />
204<br />
192<br />
182<br />
171<br />
163<br />
160<br />
142<br />
1S7<br />
129<br />
120<br />
fit<br />
40<br />
38<br />
40<br />
37<br />
36<br />
37<br />
35<br />
36<br />
64<br />
69<br />
143<br />
893<br />
335<br />
317<br />
298<br />
279<br />
237<br />
805<br />
49<br />
47<br />
46<br />
44<br />
42<br />
41<br />
40<br />
37<br />
36<br />
35<br />
23<br />
22<br />
21<br />
20<br />
20<br />
19<br />
19<br />
19<br />
19<br />
18<br />
12*<br />
1z<br />
1 2<br />
11<br />
11<br />
11<br />
109.9<br />
9.4<br />
9.1<br />
7.7<br />
7.7<br />
7.8<br />
8.0<br />
3.3<br />
8.0<br />
8.1<br />
8.1<br />
9.1<br />
18<br />
8.1<br />
7.8<br />
7.4<br />
7.8<br />
6.8<br />
6 %.7<br />
6.7<br />
6.7<br />
6.8<br />
6.7<br />
767<br />
619<br />
492<br />
39Y<br />
330<br />
89S<br />
TO<br />
375<br />
521<br />
590<br />
--.<br />
' '<br />
205<br />
.187<br />
184<br />
318<br />
-31$<br />
4fS<br />
(3R><br />
736<br />
855<br />
826<br />
988<br />
740<br />
574<br />
455<br />
380<br />
324<br />
113<br />
108<br />
102<br />
92<br />
88<br />
83<br />
77<br />
71<br />
64<br />
60<br />
57<br />
54<br />
52<br />
49<br />
N49<br />
Month<br />
35<br />
34<br />
34<br />
35<br />
34<br />
33<br />
33<br />
33<br />
34<br />
34<br />
34<br />
34<br />
34<br />
33<br />
33<br />
S3<br />
October ..........................<br />
December ..........................<br />
Calendar year 1944 ............<br />
January , . . .<br />
February .........................<br />
March..<br />
April ............................<br />
May....... ...~... ................<br />
June .............................<br />
July .............................<br />
August ...............,..........".<br />
September ........................<br />
Water year 1944-45' ............<br />
179<br />
156<br />
138<br />
123<br />
114<br />
104<br />
96<br />
83<br />
81<br />
74<br />
71<br />
74<br />
80<br />
81<br />
76 '<br />
70<br />
34<br />
38<br />
32<br />
38<br />
32<br />
31<br />
TO<br />
29<br />
88<br />
27<br />
27<br />
SO<br />
27<br />
_<br />
Second-<br />
foot -days<br />
29,516<br />
1^183<br />
98,188<br />
4,046<br />
1,096<br />
578<br />
371.7<br />
264. 7<br />
9,313.4<br />
20,005<br />
13,240<br />
" 54,157<br />
137,883.8<br />
18<br />
17<br />
17<br />
16<br />
16<br />
16<br />
15<br />
15<br />
15<br />
15<br />
16<br />
15<br />
15<br />
15<br />
15<br />
14<br />
Maximum<br />
9.2 / 15<br />
9.S 13<br />
. 11 11<br />
10<br />
10<br />
IS 10<br />
6,100<br />
284<br />
49<br />
6,100<br />
15<br />
18<br />
19<br />
U8<br />
1?<br />
14<br />
12 11 10<br />
33S<br />
.66<br />
27<br />
19<br />
18<br />
2,320<br />
1,000<br />
855<br />
8,650,<br />
8,650<br />
9.5<br />
-<br />
Minimum<br />
48<br />
49<br />
33<br />
10<br />
109.6<br />
. 13 ,<br />
9.1<br />
8.7<br />
8.2<br />
8.1<br />
7.6<br />
7.B<br />
7.2<br />
7.2<br />
33<br />
27<br />
14 9.1<br />
7.2<br />
6.7<br />
285<br />
184<br />
148<br />
6.7<br />
6.8<br />
7.0<br />
7.1<br />
8.6<br />
11<br />
30<br />
31<br />
36<br />
761<br />
1,000<br />
1,380<br />
2,320<br />
1,740<br />
1,170<br />
9O7<br />
Mean<br />
952<br />
131<br />
57,2<br />
266<br />
191<br />
at.i<br />
18.6<br />
12.4<br />
9.18<br />
317<br />
646<br />
427<br />
1,305<br />
378<br />
175<br />
312<br />
845<br />
1,000<br />
964<br />
876<br />
798<br />
767<br />
762<br />
744<br />
679<br />
687<br />
526<br />
' 468<br />
441<br />
424<br />
387<br />
Note.- Discharge for Oct. 26 to Nov. 23, Sept. 19, 20 computed fro* graph baaM pn<br />
Time basis; Eastern war time up to 2 a.m., Sept. 30, 1945; eastern<br />
To convert .war time to standard time, subtract 1 hour. ,<br />
746<br />
667<br />
565<br />
496<br />
459<br />
408.<br />
386<br />
399<br />
405<br />
476<br />
500<br />
509<br />
451<br />
378<br />
808<br />
345<br />
Sept.<br />
199<br />
166<br />
148<br />
172<br />
247<br />
316<br />
914<br />
1,260<br />
l/^VO<br />
IjiWft<br />
1»SP<br />
§33<br />
858<br />
700<br />
687<br />
969<br />
4,360<br />
8,688<br />
7,900<br />
5,930<br />
4,210<br />
3,000<br />
2, ISO<br />
1,440<br />
983<br />
760<br />
64$<br />
,579<br />
636<br />
SOS<br />
ii_i - *"<br />
|«P square Run<strong>of</strong>f i»<br />
, mile , " inches<br />
' * siW' $
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