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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
86
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
152%
p57 of record
Water assets
5,460
0 springs · 1,156 wells
USGS gauges (7)
- SUGAR CREEK AT MILFORD, IL0552550020 cfsp48 · normal
- IROQUOIS RIVER NEAR CHEBANSE, IL05526000222 cfsp55 · normal
- IROQUOIS RIVER NEAR FORESMAN, IN0552450099 cfsp57 · normal
- IROQUOIS RIVER AT IROQUOIS, IL05525000108 cfsp58 · normal
- IROQUOIS RIVER AT RENSSELAER, IN0552250068 cfsp64 · normal
- IROQUOIS RIVER NEAR PARR, IN055209800 cfsno long-term record
- CARPENTER CREEK AT REMINGTON, IN055238655 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 0/5 | p57 |
| 2026-10-20 | 0 | 0 | 0/5 | p60 |
| 2026-10-19 | 0 | 0 | 0/5 | p61 |
| 2026-10-18 | 0 | 0 | 0/5 | p62 |
| 2026-10-17 | 0 | 0 | 0/5 | p63 |
| 2026-10-16 | 0 | 0 | 0/5 | p64 |
| 2026-10-15 | 0 | 0 | 0/5 | p58 |
| 2026-10-14 | 0 | 0 | 0/5 | p62 |
| 2026-10-13 | 0 | 0 | 0/5 | p63 |
| 2026-10-12 | 0 | 0 | 0/5 | p63 |
| 2026-10-11 | 0 | 0 | 0/5 | p68 |
| 2026-10-10 | 0 | 0 | 0/5 | p74 |
| 2026-10-09 | 0 | 0 | 0/5 | p77 |
| 2026-10-08 | 0 | 0 | 0/5 | p80 |
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