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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
74
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 10 reporting
Median flow
831%
p92 of record
Water assets
1,807
0 springs · 555 wells
USGS gauges (10)
- Iowa River at County Highway E49 near Tama, IA054517702,720 cfsp83 · above normal
- Walnut Creek near Hartwick, IA0545220054 cfsp89 · above normal
- Timber Creek near Marshalltown, IA05451700130 cfsp90 · much above normal
- Big Bear Creek at Ladora, IA05453000193 cfsp92 · much above normal
- Richland Creek near Haven, IA0545190075 cfsp92 · much above normal
- Iowa River at Marengo, IA054531004,370 cfsp92 · much above normal
- Iowa River below Coralville Dam nr Coralville, IA054535204,970 cfsp92 · much above normal
- Iowa River at Marshalltown, IA054515002,010 cfsp92 · much above normal
- Salt Creek near Elberon, IA05452000284 cfsp93 · much above normal
- Iowa River near Belle Plaine, IA054525003,700 cfsp93 · much above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 0/10 | p92 |
| 2026-10-20 | 0 | 0 | 0/10 | p92 |
| 2026-10-19 | 0 | 0 | 0/10 | p92 |
| 2026-10-18 | 0 | 0 | 0/10 | p93 |
| 2026-10-17 | 0 | 0 | 0/10 | p92 |
| 2026-10-16 | 0 | 0 | 0/10 | p92 |
| 2026-10-15 | 0 | 0 | 0/10 | p92 |
| 2026-10-14 | 0 | 0 | 0/10 | p92 |
| 2026-10-13 | 0 | 0 | 0/10 | p93 |
| 2026-10-12 | 0 | 0 | 0/10 | p94 |
| 2026-10-11 | 0 | 0 | 0/10 | p95 |
| 2026-10-10 | 0 | 0 | 0/10 | p96 |
| 2026-10-09 | 0 | 0 | 0/10 | p94 |
| 2026-10-08 | 0 | 0 | 0/10 | p95 |
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