Upper Mississippi-Cape Girardeau HUC8 07140105
A 4,473 km² sub-basin of the Upper Mississippi region in IL, KY, MO. 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
60
Moderate
Drought index
191
Moderate
Area in D2+
5.09%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
143%
p73 of record
Water assets
2,747
11 springs · 1,139 wells
USGS gauges (3)
- South Fork Saline Creek near Perryville, MO070205506 cfsp9 · much below normal
- Mississippi River at Chester, IL07020500174,000 cfsp73 · normal
- Mississippi River at Thebes, IL07022000182,000 cfsp75 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 191 | 5.09 | 1/3 | p73 |
| 2026-10-20 | 191 | 5.09 | 1/3 | p75 |
| 2026-10-19 | 191 | 5.09 | 1/3 | p75 |
| 2026-10-18 | 191 | 5.09 | 1/3 | p76 |
| 2026-10-17 | 191 | 5.09 | 1/3 | p77 |
| 2026-10-16 | 191 | 5.09 | 1/3 | p78 |
| 2026-10-15 | 138 | 0 | 1/3 | p78 |
| 2026-10-14 | 138 | 0 | 1/3 | p78 |
| 2026-10-13 | 138 | 0 | 1/3 | p80 |
| 2026-10-12 | 138 | 0 | 1/3 | p83 |
| 2026-10-11 | 138 | 0 | 1/3 | p85 |
| 2026-10-10 | 138 | 0 | 1/3 | p86 |
| 2026-10-09 | 138 | 0 | 1/3 | p87 |
| 2026-10-08 | 139 | 0 | 0/3 | p88 |
Top water assets
- 66Lake Hollenbeck Damreservoir
- 66Coulterville Coal/Gateway Mine/Slurry Cell 2 Damreservoir
- 66Hickory Hollow Lake Damreservoir
- 66Turkey Creek Dam #2reservoir
- 66Port Perry Damreservoir
- 66Aly Marie Lake Damreservoir
- 66Kool Breeze Ridge Damreservoir
- 66Butterfly Lake Damreservoir
- 66Bella Vista Damreservoir
- 66Brands Lake Damreservoir