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02319500 SUWANNEE RIVER AT ELLAVILLE, FL
LOCATION.--Lat 30°23'04", long 83°10'19", in NE1/4 sec. 24, T. 1 S., R. 11 E., Suwannee
County, Hydrologic Unit 03110205, on left bank at Ellaville, 100 ft upstream from
Seaboard Air Line Railroad bridge, 200 ft downstream from Withlacoochee River, 900ft
upstream from bridge on U.S. Highway 90, and 127 mi upstream from mouth.
DRAINAGE AREA.--6,970 mi2, approximately, includes part of watershed in Okefenokee Swamp which is indeterminate.
PERIOD OF RECORD.--January 1927 to current year.
REVISED RECORDS.--WSP 1905: WDR FL-75-1: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 27.22 ft above National Geodetic Vertical
Datum of 1929. Prior to June 20, 1932, nonrecording gage at same site and datum.
Nov. 8, 1955 to Sept. 30, 1970, nonrecording gage 1.1 mi downstream from base gage
at datum 2.67ft lower, used as supplementary gage when flow was less than 4,800 ft3/s.
REMARKS.--Records good above 5,000 cfs, and fair below.
Since Nov. 7, 1953, slight regulation at low water caused by diversions above control
0.7 mi downstream from gage by a steam-electric powerplant for cooling of condensers.
Total diverted flow is returned to river below control. Records include flow of large
spring on left bank about 200 ft downstream; spring flow may reverse during high
stages.
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