Upper Big Black HUC8 08060201
A 3,832 km² sub-basin of the Lower Mississippi region in MS. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
48
Stressed
Drought index
112
Moderate
Area in D2+
0.03%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
27%
p7 of record
Water assets
4,469
0 springs · 1,068 wells
USGS gauges (1)
- BIG BLACK RIVER AT WEST, MS0728935025 cfsp7 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 112 | 0.03 | 1/1 | p7 |
Top water assets
- 66Colclough Lake Damreservoir
- 66Whites Creek Number 1 Damreservoir
- 66R 1 Damreservoir
- 66Upshaw Lake Damreservoir
- 65Little Black Creekriver
- 65Vaiden Baptist Church Damreservoir
- 65E & E Ranch Lake Damreservoir
- 65Charles Ellis Lake Damreservoir
- 65Pony Branchriver
- 65Big Black Riverriver