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    USGS 02243960 OCKLAWAHA R AT RODMAN DAM NEAR ORANGE SPRINGS, FL

    PROVISIONAL DATA SUBJECT TO REVISION

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    This gage is monitored in cooperation with the St. Johns River Water Management District.

    Link to the St. Johns River Water Management District.

    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.

    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 upstream side of control structure at same datum.

    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.

    Available Parameters Available Period
    All 7 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-08-20
    00065 Gage height 2007-10-01  2014-08-20
    45592 Gate opening, height, Gate 1 2014-04-22  2014-08-20
    45592 Gate opening, height, Gate 2 2014-04-22  2014-08-20
    45592 Gate opening, height, Gate 3 2014-04-22  2014-08-20
    45592 Gate opening, height, Gate 4 2014-04-22  2014-08-20
    63160 Stream level, NAVD 2011-08-21  2014-08-20

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    Summary of all available data for this site
    Instantaneous-data availability statement


    Discharge, cubic feet per second

    Most recent instantaneous value: 1,200   08-20-2014  21:00 EDT
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    Daily discharge, cubic feet per second -- statistics for Aug 21 based on 45 years of record more
    Most Recent
    Instantaneous
    Value Aug 21
    Min
    (2007)
    25th
    percen-
    tile
    Median Mean 75th
    percen-
    tile
    Max
    (1970)
    -- unavailable -- 376 644 1240 1320 1730 4000


    Gage height, feet

    Most recent instantaneous value: 4.38   08-21-2014  00:00 EDT
    Graph of  Gage height, feet

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