USGS Water-Year Summary 2020
02238499 OCKLAWAHA RIVER ABOVE MOSS BLUFF DAM, AT MOSS BLUFF, FL
LOCATION - Lat 29°04'52", long 81°52'51" referenced to North American Datum of 1983, in SW 1/4 sec.23, T.16 S., R.24 E., Marion County, FL, Hydrologic Unit 03080102, at upstream side of spillway structure of Moss Bluff Dam, 0.3 mi upstream from bridge on State Highway 464, 0.4 mi southwest of Moss Bluff, 3.9 mi northeast of Ocklawaha, and 64.3 mi upstream from mouth.
DRAINAGE AREA - 879 mi².
- WDR FL-74-1: Drainage area.
PERIOD OF RECORD - October 1965 to June 1967, October 1969 to current year (gage heights only).
GAGE - Water-stage recorder and data-collection platform. Datum of gage is 0.30 ft above NGVD of 1929 and 0.66 ft below NAVD of 1988. June 9, 1967 to Sept. 30, 1970, at datum 0.30 ft lower. Prior to June 9, 1967 at datum 0.42 ft lower. This is the auxiliary gage for station 02238500 located at downstream side of spillway structure.
COOPERATION - This gage is monitored in cooperation with the St. Johns River Water Management District.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 59.81 ft, Sept. 26, 2004; minimum, 45.45 ft, Mar. 6, 1973, result of dike failure.