Cahokia-Joachim HUC8 07140101
A 4,265 km² sub-basin of the Upper Mississippi region in IL, MO. 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
23%
of 22 reporting
Median flow
169%
p57 of record
Water assets
3,710
10 springs · 2,006 wells
USGS gauges (23)
- River Des Peres at Shrewsbury, MO070100881 cfsp8 · much below normal
- Watkins Creek near Bellefontaine Neighbors, MO070019100 cfsp10 · below normal
- River Des Peres Tributary at Pagedale, MO070100300 cfsp10 · below normal
- Two Mile Creek at Ladue, MO070100610 cfsp10 · below normal
- Deer Creek at Maplewood, MO070100861 cfsp11 · below normal
- Mississippi River at St. Louis, MO0701000094,100 cfsp30 · normal
- Black Creek near Brentwood, MO070100821 cfsp42 · normal
- River Des Peres near University City, MO070100220 cfsp52 · normal
- Sebago Creek near Rock Hill, MO070100700 cfsp52 · normal
- River Des Peres at St. Louis, MO070100976 cfsp53 · normal
- INDIAN CREEK AT WANDA, IL055880001 cfsp57 · normal
- Gravois Creek near Mehlville, MO070101803 cfsp58 · normal
- Denny Creek at Ladue, MO070100400 cfsp63 · normal
- Deer Creek at Ladue, MO070100751 cfsp71 · normal
- Maline Creek at Bellefontaine Neighbors, MO070050006 cfsp76 · above normal
- MacKenzie Creek near Shrewsbury, MO070100901 cfsp78 · above normal
- Engelholm Creek near Wellston, MO070100350 cfsp82 · above normal
- Deer Creek at Litzinger Road at Ladue, MO070100551 cfsp82 · above normal
- CAHOKIA CREEK AT EDWARDSVILLE, IL0558790026 cfsp83 · above normal
- Martigney Creek near Arnold, MO070102083 cfsp90 · above normal
- Grammond Creek near Wilbur Park, MO070100941 cfsp90 · much above normal
- River Des Peres at Macklind Ave, St Louis, MO0701003833 cfsp99 · much above normal
- Joachim Creek at De Soto, MO070195004 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 5/22 | p57 |
Top water assets
- 67South Old Quarry Hollow Damreservoir
- 67Goose Creek Lake Damreservoir
- 66Mt. Olive City Lake Damreservoir
- 66Lake Lasata Damreservoir
- 66Mississippi Lime Upper Damreservoir
- 66Waterloo New Reservoir Damreservoir
- 66Old Mt. Olive City Lake Damreservoir
- 66Harman Farm Pond Damreservoir
- 66Dunlap Lake Damreservoir
- 66Eckert Lake Damreservoir