Black HUC8 07040007
A 5,895 km² sub-basin of the Upper Mississippi region in WI. 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
73
Moderate
Drought index
157
Moderate
Area in D2+
23.28%
0% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
91%
p46 of record
Water assets
5,016
0 springs · 2,983 wells
USGS gauges (3)
- BLACK RIVER DS ST HWY 54 AT BLACK RIVER FALLS, WI053813595527 cfsp45 · normal
- BLACK RIVER AT NEILLSVILLE, WI05381000140 cfsp46 · normal
- BLACK RIVER NEAR GALESVILLE, WI05382000772 cfsp52 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 157 | 23.28 | 0/3 | p46 |
| 2026-10-20 | 157 | 23.28 | 0/3 | p52 |
| 2026-10-19 | 157 | 23.28 | 0/3 | p52 |
| 2026-10-18 | 157 | 23.28 | 0/3 | p50 |
| 2026-10-17 | 157 | 23.28 | 0/3 | p47 |
| 2026-10-16 | 157 | 23.28 | 1/3 | p36 |
| 2026-10-15 | 131 | 14.82 | 2/3 | p19 |
| 2026-10-14 | 131 | 14.82 | 2/3 | p19 |
| 2026-10-13 | 131 | 14.82 | 2/3 | p21 |
| 2026-10-12 | 131 | 14.82 | 2/3 | p22 |
| 2026-10-11 | 131 | 14.82 | 2/3 | p23 |
| 2026-10-10 | 131 | 14.82 | 2/3 | p24 |
| 2026-10-09 | 131 | 14.82 | 1/3 | p26 |
| 2026-10-08 | 172 | 14.82 | 1/3 | p26 |
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