USGS Water-Year Summary 2020
02243959 OCKLAWAHA R AB RODMAN DAM NR ORANGE SPRINGS,FL.
LOCATION - Lat 29°30'30", long 81°48'18" referenced to North American Datum of 1927, Putnam County, FL, Hydrologic Unit 03080102, at upstream side of control structure of Rodman Dam, 8.4 mi east of Orange Springs, and 11.6 mi upstream from mouth.
DRAINAGE AREA - 2,747 mi², includes Paynes Prairie, a diked sinkhole area of 650 mi², approximately, which is noncontributing, except for pumpage.
PERIOD OF RECORD - October 1999 to current year (gage-heights only).
GAGE - Water-stage recorder and data-collection platform. Datum of gage is at NGVD of 1929 and 1.13 ft below NAVD of 1988.
COOPERATION - This gage is monitored in cooperation with the St. Johns River Water Management District.