USGS Water-Year Summary 2021
02328522 OCHLOCKONEE RIVER NEAR CONCORD, FL
LOCATION - Lat 30°40'08", long 84°18'19" referenced to North American Datum of 1927, in SW 1/4 sec.11, T.3 N., R.1 W., Leon County, FL, Hydrologic Unit 03120003, near center of stream on downstream side of bridge on State Highway 12, and 3.7 mi east of Concord.
DRAINAGE AREA - 1,002 mi².
PERIOD OF RECORD - November 1920 to October 1990 (miscellaneous discharge measurements), October 1998 to current year.
GAGE - Water-stage recorder and data-collection platform. Datum of the gage is 69.81 ft above National Vertical Datum of 1929.