Flint-Henderson HUC8 07080104
A 6,257 km² sub-basin of the Upper Mississippi region in IA, 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
81
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
385%
p87 of record
Water assets
2,107
0 springs · 422 wells
USGS gauges (3)
- EDWARDS RIVER NEAR NEW BOSTON, IL05466500156 cfsp87 · above normal
- HENDERSON CREEK NEAR OQUAWKA, IL05469000150 cfsp87 · above normal
- POPE CREEK NEAR KEITHSBURG, IL0546700061 cfsp88 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 0/3 | p87 |
Top water assets
- 66Zaiser Damreservoir
- 66Lake Storey Damreservoir
- 66Fyre Lake Damreservoir
- 66Horton Lake Damreservoir
- 66Karl Lake Damreservoir
- 65Illinois Sloughriver
- 65Weinmister Pond Damreservoir
- 65Camp Creekriver
- 65Dry Branchriver
- 65North Henderson Creekriver