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    USGS 02330000 OCHLOCKONEE RIVER NR BLOXHAM, FLA.

    PROVISIONAL DATA SUBJECT TO REVISION

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    This gage is monitored in cooperation with the Florida Department of Environmental Protection and the City of Tallahassee.

    Link to the Florida Department of Environmental Protection. Link to the City of Tallahassee, C.H. Corn website.

    LOCATION.--Lat 30°22'59", long 84°39'18" referenced to North American Datum of 1927, NE 1/4 sec.20, T.1S., R.4W., Leon County, FL, Hydrologic Unit 03120003, on left bank at Old State Highway 20 (Crooked Road), 3,000 ft downstream from C.H. Corn Hydroelectric Dam, 1.5 mi southwest of Bloxham, and 65 mi upstream from mouth.

    DRAINAGE AREA.--1700 mi2.

    PERIOD OF RECORD.--June 1926 to current year. Low-Flow records not equivalent prior to Oct. 1, 1954, due to undetermined amount of seepage inflow.

    GAGE.--Water-stage recorder. Datum of gage is 24.46 ft above NGVD of 1929. Prior to Apr. 9, 1930 nonrecording gage at site 2,700 ft upstream at datum 5.23 ft higher, Apr. 9, 1930 to Jan. 19, 1939, water-stage recorder at site 2,000 ft upstream at datum 5.23 ft higher. Jan. 20, 1939 to Sept. 30, 1954, water-stage recorder at present site at datum 5.23 ft higher, Oct. 1, 1954 to Sept. 30, 1985, water-stage recorder at present site at datum 0.23 ft higher, Oct. 1, 1985 to Aug. 27, 1997, at site 2,000 ft upstream at datum 0.23 ft higher.

    REMARKS.--Records fair above 150 ft3/s and poor below 150 ft3/s due to the regularly shifting nature of the channel. Flow regulated since 1929 by C.H. Corn Hydroelectric Dam (formerly Jackson Bluff Dam) above station and storage in Lake Talquin (02329900). Since October 1981, the publication of adjusted values for storage has been discontinued since the difference between adjusted and the unadjusted values have been minimal. Maximum discharge, 89,400 ft3/s, Sept. 23, 1969, gage height, 29.2 ft from floodmark; minimum discharge, since October 1954, 1.0 ft3/s, Nov. 1, 1957, caused by closure of breaks in earth embankment of C.H. Corn Hydroelectric Dam (indeterminate prior to October 1954).

    Available Parameters Available Period
    All 2 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-09-01
    00065 Gage height 2007-10-01  2014-09-01

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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: 160   09-01-2014  23:15 EDT
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    Daily discharge, cubic feet per second -- statistics for Sep 2 based on 88 years of record more
    Most Recent
    Instantaneous
    Value Sep 2
    Min
    (1951)
    25th
    percen-
    tile
    Median Mean 75th
    percen-
    tile
    Max
    (1937)
    -- unavailable -- 11 278 899 1400 1690 16100


    Gage height, feet

    Most recent instantaneous value: 3.28   09-01-2014  23:15 EDT
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