Upper Cedar HUC8 07080201
A 4,363 km² sub-basin of the Upper Mississippi region in IA, MN. 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
81
Healthy
Drought index
16
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
134%
p66 of record
Water assets
3,791
4 springs · 3,057 wells
USGS gauges (5)
- Little Cedar River near Ionia, IA0545800073 cfsp57 · normal
- Cedar River at Waverly, IA05458300636 cfsp60 · normal
- Cedar River at Charles City, IA05457700404 cfsp66 · normal
- CEDAR RIVER NEAR AUSTIN, MN05457000119 cfsp67 · normal
- Cedar River at Janesville, IA05458500922 cfsp83 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 16 | 0 | 0/5 | p66 |
Top water assets
- 65Geneva Lakereservoir
- 65Cedar River At Charles City, Iariver
- 65Cedar Riverreservoir
- 65Cedar River Near Austin, Mnriver
- 65Rose Creekriver
- 65Otter Creekriver
- 65Ramseyreservoir
- 65Red Rock 36 Southreservoir
- 65Johnson Poolreservoir
- 65Red Rock 36 Northreservoir