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Water-Year Summary for Site 02243960

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  
63160 Stream level, NAVD88(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 29°30'30", long 81°48'15" referenced to North American Datum of 1983, in NW 1/4 sec.28, T.11 S., R.25 E., Putnam County, FL, Hydrologic Unit 03080102, at downstream 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.
REVISIONS HISTORY - WDR FL-77-1: Drainage area.
PERIOD OF RECORD - October 1968 to current year.
GAGE - Water-stage recorder, gate-opening recorder, and data-collection platform. Datum of gage is at NGVD of 1929 (U.S. Army Corps of Engineers bench mark) and 1.11 ft below NAVD of 1988. Auxiliary gage at upstream side of control structure at same datum.
COOPERATION - This gage is monitored in cooperation with the St. Johns River Water Management District. Gate-opening record provided by Cross Florida Greenways and Trails.
REMARKS - Flow regulated by manipulation of gates in spillway; dam completed and flow through spillway began on Sept. 30, 1968. Discharge computed from relation between head and gate openings. Since November 1969, diversion above station from Lake Ocklawaha for boat lockages, through Cross-Florida Barge Canal (see station 02244032) to St. Johns River.