Middle Kaskaskia HUC8 07140202
A 4,450 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
82
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
17%
of 6 reporting
Median flow
86%
p44 of record
Water assets
3,060
3 springs · 1,309 wells
USGS gauges (6)
- EAST FORK KASKASKIA RIVER NEAR SANDOVAL, IL055929000 cfsp10 · below normal
- KASKASKIA RIVER AT CARLYLE, IL05593000167 cfsp29 · normal
- LITTLE CROOKED CREEK NEAR NEW MINDEN, IL055935750 cfsp40 · normal
- KASKASKIA RIVER AT VANDALIA, IL05592500290 cfsp48 · normal
- HURRICANE CREEK NEAR MULBERRY GROVE, IL055928006 cfsp54 · normal
- HICKORY CREEK NEAR BROWNSTOWN, IL055925750 cfsp54 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/6 | p44 |
Top water assets
- 66Ramsey Lake Damreservoir
- 66Kinmundy New Lake Damreservoir
- 66Lake Nellie Damreservoir
- 66Lake Centralia Damreservoir
- 66Vandalia Municipal Reservoir Damreservoir
- 65Kaskaskia River At Carlyle, Ilriver
- 65East Fork Kaskaskia River Near Sandoval, Ilriver
- 65Salem Reservoir Damreservoir
- 65Kaskaskia River At Vandalia, Ilriver
- 65Hurricane Creek Near Mulberry Grove, Ilriver