USGS Water-Year Summary 2017
02481000 BILOXI RIVER AT WORTHAM, MS
LOCATION - Lat 30°33'31", long 89°07'19" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 sec.06, T.6 S., R.11 W., Harrison County, MS, Hydrologic Unit 03170009, St. Stephens Meridian, on upstream side of right abutment of downstream northbound bridge of dual bridges on US Hwy 49, 1 mile east of Wortham, 1.3 miles downstream from Illinois Central Railroad bridge, 1 mile upstream from Saucier Creek, 4 miles north of Lyman, and 18.8 miles upstream from mouth.
DRAINAGE AREA - 96.2 mi².
PERIOD OF RECORD - October 1952 to current year.
REVISED RECORDS - WDR MS-89-1: Drainage area.
GAGE - Water-stage recorder. Datum of gage is 19.18 ft above NGVD of 1929 (from Mississippi Department of Transportation bench mark). Prior to Oct. 1, 1977, at datum 2.00 ft higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in 1948 reached a stage of 25.3 ft (9,000 cfs) present datum, from information by Mississippi Department of Transportation. Floods in 1916 and 1928 reached approximately the same stage and were at least 8.5 ft higher than that of Sept. 18, 1957, at a point about 1 mi upstream, from information by local residents.