Upper Chippewa HUC8 07050001
A 4,999 km² sub-basin of the Upper Mississippi region in WI. 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
28
Critical
Drought index
375
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
38%
p9 of record
Water assets
1,625
0 springs · 772 wells
USGS gauges (2)
- CHIPPEWA RIVER NEAR BRUCE, WI05356500323 cfsp8 · much below normal
- CHIPPEWA RIVER AT BISHOPS BRIDGE NEAR WINTER, WI05356000197 cfsp10 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 375 | 100 | 2/2 | p9 |
Top water assets
- 66Chippewa Reservoirreservoir
- 65Tiger Catreservoir
- 65Black Lake Dam And Bridgereservoir
- 65Willow Creek Flowage No 1reservoir
- 65Upper Brunetreservoir
- 65Day Lakereservoir
- 65Billy Boyreservoir
- 65Fishtrap Lakereservoir
- 65Moose Lake 1reservoir
- 65Dead Horse Sloughreservoir