Shoal HUC8 07140203
A 2,374 km² sub-basin of the Upper Mississippi region in IL. 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
77
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
100%
p50 of record
Water assets
3,552
0 springs · 2,682 wells
USGS gauges (3)
- SHOAL CREEK NEAR PIERRON, IL0559394515 cfsp21 · below normal
- SHOAL CREEK NEAR BREESE, IL0559400028 cfsp50 · normal
- EAST FORK SHOAL CREEK NEAR COFFEEN, IL055939001 cfsp61 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/3 | p50 |
Top water assets
- 67Coffeen Gmf Gypsum Stack Damreservoir
- 66Moran Pond Dam 1reservoir
- 66Lake Glenn Shoals Damreservoir
- 66Lake Hillsboro Damreservoir
- 66Shoal Creek Structure 2 Damreservoir
- 66Lake Lou Yaeger Damreservoir
- 66Greenville New City Damreservoir
- 66Coffeen Lake Damreservoir
- 65Hillcrest Farms Pond 1reservoir
- 65Coffeen Gmf Recycle Pond Damreservoir