Iroquois HUC8 07120002
A 5,537 km² sub-basin of the Upper Mississippi region in IL, IN. 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
85
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
147%
p64 of record
Water assets
5,460
0 springs · 1,156 wells
USGS gauges (7)
- IROQUOIS RIVER AT IROQUOIS, IL0552500056 cfsp55 · normal
- IROQUOIS RIVER NEAR FORESMAN, IN0552450062 cfsp61 · normal
- IROQUOIS RIVER NEAR CHEBANSE, IL05526000180 cfsp64 · normal
- SUGAR CREEK AT MILFORD, IL0552550026 cfsp66 · normal
- IROQUOIS RIVER AT RENSSELAER, IN0552250038 cfsp76 · above normal
- IROQUOIS RIVER NEAR PARR, IN055209800 cfsno long-term record
- CARPENTER CREEK AT REMINGTON, IN055238654 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 0/5 | p64 |
Top water assets
- 65Iroquois Riverriver
- 65Ryan Ditchriver
- 65Coon Creekriver
- 65Thompson Ditchriver
- 65Lateral Number Seventy-sevenriver
- 65Thompson Ditchriver
- 65Iroquois Riverriver
- 65Sugar Creekriver
- 65Mud Creekriver
- 65Ryan Ditchriver