USGS Water-Year Summary 2020
07290000 BIG BLACK RIVER NEAR BOVINA, MS
LOCATION - Lat 32°20'52", long 90°41'49" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 SE 1/4 sec.22, T.16 N., R.5 E., Hinds County, MS, Hydrologic Unit 08060202, Washington Meridian, on left bank at downstream side of RH Henry 1929 bridge on old Hwy 80, 300 ft upstream from Clear Creek, 0.4 mi upstream from Illinois Central and Gulf Railroad bridge, 2.3 mi east of Bovina, 10.8 mi upstream from Fourteenmile Creek, and at mile 61.7. Records include flow of Clear Creek.
DRAINAGE AREA - 2,812 mi². (includes that of Clear Creek).
- WRD Miss. 1968: 1966-67. WDR MS-79-1: 1978(M). WDR MS-89-1: Drainage area.
PERIOD OF RECORD - February 1936 to current year. Prior to October 1938 monthly discharge only, published in WSP 1311.
GAGE - Water-stage recorder and satellite transmitter at site. Datum of gage is 84.93 ft above NGVD of 1929 (levels by U. S. Army Corps of Engineers). Prior to Oct. 23, 1941, nonrecording gage at same site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - From information by local residents, floods at Askews Bridge, 6 mi upstream, reached elevations above NGVD of 1929 as follows: Dec. 20, 1961, 139.2 ft, in 1912 and in January 1927, 139 ft, Apr. 1, 1951, 138.5 ft. A flood in May 1930, reached about the same elevation as that of Apr. 1, 1951, at Askews Bridge.
EXTREMES FOR PERIOD OF RECORD
Maximum instantaneous discharge = 92,300 cfs on May 24, 1983.
Maximum instantaneous gage height = 40.77 feet on May 21, 1983.
PERIOD OF RECORD -
SPECIFIC CONCENTRATION: October 1977 to September 1981.
WATER TEMPERATURE: October 1977 to September 1981.