PROVISIONAL DATA SUBJECT TO REVISION

02358000  APALACHICOLA RIVER AT CHATTAHOOCHEE, FL

LOCATION.--Lat 30°42'03", long 84°51'33", in NW1/4 sec.32, T.4 N., R.6 W., Jackson County,
   Hydrologic Unit 03130011, on downstream side of abandoned bridge downstream of U.S.
   Highway 90, 0.6 mi downstream from Jim Woodruff Dam, 0.6 mi upstream from Mosquito
   Creek, 1.0 mi west of Chattahoochee, and 106 mi upstream from mouth.

DRAINAGE AREA.--17,200 mi2, approximately.
                                                   
PERIOD OF RECORD.--October 1928 to current year. Monthly discharge only for some periods,
   published in WSP 1304. Prior to October 1939, published as "near River Junction."
   Gage-height records collected at site 0.9 mi downstream October 1919 to September 1925,
   and at site approximately 100 ft downstream October 1925 to December 1958 are contained
   in reports of National Weather Service.

REVISED RECORDS.--WSP 1906: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929
   (National Weather Service bench mark).  Prior to Dec. 16, 1939, water-stage recorder at
   site 0.9 mi downstream at datum 44.85 ft higher. Dec. 16, 1939 to June 25, 1952,
   water-stage recorder, June 26, 1952 to June 2, 1954, nonrecording gage, and
   June 3, 1954 to Oct. 14, 1958, water-stage recorder, at site approximately 100 ft
   downstream at datum 45.58 ft. Oct. 15, 1958 to Sept. 30, 1987, water-stage recorder at
   datum 40.58 ft.

REMARKS.--Records good. Flow regulated by Lake Seminole Reservoir (02357500) 0.6 mi 
   upstream since Feb. 4, 1957, Walter F. George Lake (02343240) since 1962, Bartlett's 
   Ferry Reservoir (02341000) since 1926, West Point Lake (02339400) since October 1974, 
   and Lake Sidney Lanier Reservoir (02334400) since 1956.