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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
55
Moderate
Drought index
163
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
67%
of 3 reporting
Median flow
49%
p21 of record
Water assets
3,552
0 springs · 2,682 wells
USGS gauges (3)
- SHOAL CREEK NEAR PIERRON, IL0559394514 cfsp9 · much below normal
- EAST FORK SHOAL CREEK NEAR COFFEEN, IL055939000 cfsp21 · below normal
- SHOAL CREEK NEAR BREESE, IL0559400035 cfsp51 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 163 | 0 | 2/3 | p21 |
| 2026-10-20 | 163 | 0 | 2/3 | p24 |
| 2026-10-19 | 163 | 0 | 0/3 | p33 |
| 2026-10-18 | 163 | 0 | 2/3 | p23 |
| 2026-10-17 | 163 | 0 | 1/3 | p40 |
| 2026-10-16 | 163 | 0 | 0/3 | p40 |
| 2026-10-15 | 154 | 0 | 1/3 | p36 |
| 2026-10-14 | 154 | 0 | 3/3 | p18 |
| 2026-10-13 | 154 | 0 | 3/3 | p15 |
| 2026-10-12 | 154 | 0 | 3/3 | p18 |
| 2026-10-11 | 154 | 0 | 3/3 | p18 |
| 2026-10-10 | 154 | 0 | 3/3 | p20 |
| 2026-10-09 | 154 | 0 | 2/3 | p17 |
| 2026-10-08 | 154 | 0 | 2/3 | p20 |
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