Middle Iowa HUC8 07080208
A 4,292 km² sub-basin of the Upper Mississippi region in IA. 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
84
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 10 reporting
Median flow
143%
p53 of record
Water assets
1,807
0 springs · 555 wells
USGS gauges (10)
- Richland Creek near Haven, IA054519005 cfsp38 · normal
- Iowa River at Marshalltown, IA05451500222 cfsp50 · normal
- Timber Creek near Marshalltown, IA0545170015 cfsp52 · normal
- Walnut Creek near Hartwick, IA054522007 cfsp52 · normal
- Iowa River at County Highway E49 near Tama, IA05451770371 cfsp53 · normal
- Iowa River below Coralville Dam nr Coralville, IA05453520642 cfsp54 · normal
- Big Bear Creek at Ladora, IA0545300025 cfsp57 · normal
- Iowa River near Belle Plaine, IA05452500655 cfsp58 · normal
- Iowa River at Marengo, IA05453100806 cfsp62 · normal
- Salt Creek near Elberon, IA0545200081 cfsp82 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 0/10 | p53 |
Top water assets
- 65Big Bear Creek At Ladora, Iariver
- 65Iowa River Near Belle Plaine, Iariver
- 65Iowa River At Marshalltown, Iariver
- 65Iowa River At County Highway E49 Near Tama, Iariver
- 65Jordan Creekriver
- 65Walnut Creek Near Hartwick, Iariver
- 65Little Bear Creekriver
- 65Tim Seim Damreservoir
- 65Otter Creekriver
- 65Richland Creek Near Haven, Iariver