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USGS Water-Year Summary 2024
02491500 Bogue Chitto River at Franklinton, LA
LOCATION - Lat 30°50'34", long 90°09'43" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.26, T.2 S., R.10 E., Washington Parish, LA, Hydrologic Unit 03180005, at bridge on State Highway 10, 0.8 mi west of Franklinton, and 3.5 mi upstream from Lawrence Creek.
DRAINAGE AREA - 990 mi².
REVISIONS HISTORY - WDR LA-1981-2: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1928 to September 1931, October 1938 to September 1957. February to September 1975, July 1976 to October 2015 (gage heights and discharge measurements), October 2015 to current (gage height only). Gage-height records collected in this vicinity prior to August 1928, October 1931 to September 1938, October 1957 to February 1975, October 1975 to July 1976 are contained in reports of and furnished by the National Weather Service.
GAGE -
Water-stage recorder, June 23, 1939 to September 30, 1957 at site about 0.2 mi downstream , February 7, 1975 to September 30, 1975, July 8, 1976 to current year at present site. Non recording gage prior to June 23, 1939, and October 1, 1957 to February 6, 1975 at site about 0.2 mi downstream, October 1, 1975 to July 7, 1976 at present site.
Datum of Gage is 123.59 ft above NAVD88 GEOID18 EPOCH 2010.0000. Prior to July 1934 at datum 2.00 ft higher. From July 1934 to October 1936 at datum 1.00 ft lower. From October 1936 to September 1975 at datum 1.00 ft higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of April 15, 1900 reached a stage of 27.6 ft, at former site and datum (29.6 ft. at present datum), from floodmark.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 125,000 ft³/s, Apr. 7, 1983, gage height, 24.69 ft; minimum discharge, 350 ft³/s, Nov. 6-8, 1938; minimum gage height, not determined.
