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Black HUC8 03170007

A 3,282 km² sub-basin of the South Atlantic-Gulf region in MS. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.

Health score
48
Stressed
Drought index
171
Moderate
Area in D2+
37.51%
0% exceptional (D4)
Gauges below normal
100%
of 3 reporting
Median flow
58%
p16 of record
Water assets
3,584
2 springs · 1,998 wells

USGS gauges (4)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-2117137.513/3p16
2026-10-2017137.513/3p15
2026-10-1917137.513/3p12
2026-10-1817137.513/3p12
2026-10-1717137.513/3p13
2026-10-1617137.513/3p20
2026-10-1521145.863/3p22
2026-10-1421145.863/3p20
2026-10-1321145.863/3p22
2026-10-1221145.862/3p23
2026-10-1121145.862/3p24
2026-10-1021145.861/3p27
2026-10-0921145.861/3p31
2026-10-0823745.860/3p36

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