Upper Iowa HUC8 07080207
A 3,771 km² sub-basin of the Upper Mississippi region in IA. 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
77
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
983%
p79 of record
Water assets
976
0 springs · 489 wells
USGS gauges (4)
- Iowa River near Rowan, IA05449500120 cfsp63 · normal
- South Fork Iowa River NE of New Providence, IA05451210406 cfsp94 · much above normal
- Iowa River at Steamboat Rock, IA05450400no readingno long-term record
- South Fork Iowa River near Blairsburg, IA054510800 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 0/2 | p79 |
| 2026-10-20 | 0 | 0 | 0/2 | p79 |
| 2026-10-19 | 0 | 0 | 0/2 | p80 |
| 2026-10-18 | 0 | 0 | 0/2 | p81 |
| 2026-10-17 | 0 | 0 | 0/2 | p81 |
| 2026-10-16 | 0 | 0 | 0/2 | p77 |
| 2026-10-15 | 0 | 0 | 0/2 | p73 |
| 2026-10-14 | 0 | 0 | 0/2 | p73 |
| 2026-10-13 | 0 | 0 | 0/2 | p73 |
| 2026-10-12 | 0 | 0 | 0/2 | p74 |
| 2026-10-11 | 0 | 0 | 0/2 | p75 |
| 2026-10-10 | 0 | 0 | 0/2 | p76 |
| 2026-10-09 | 0 | 0 | 0/2 | p75 |
| 2026-10-08 | 11 | 0 | 0/2 | p77 |
Top water assets
- 65Iowa Riverriver
- 65Iowa Riverriver
- 65Minerva Creekriver
- 65Tipton Creekriver
- 65Iowa Riverriver
- 65South Fork Iowa Riverriver
- 65Iowa River Near Rowan, Iariver
- 65Iowa River At Steamboat Rock, Iariver
- 65South Fork Iowa River Ne Of New Providence, Iariver
- 65South Minerva Creekriver