Copperas-Duck HUC8 07080101
A 2,569 km² sub-basin of the Upper Mississippi region in IA, 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
84
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
107%
p53 of record
Water assets
1,439
2 springs · 685 wells
USGS gauges (2)
- Mississippi River at Clinton, IA0542050034,300 cfsp53 · normal
- Crow Creek at Bettendorf, IA054224705 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 0/1 | p53 |
| 2026-10-20 | 0 | 0 | 0/1 | p52 |
| 2026-10-19 | 0 | 0 | 0/1 | p46 |
| 2026-10-18 | 0 | 0 | 0/1 | p49 |
| 2026-10-17 | 0 | 0 | 0/1 | p43 |
| 2026-10-16 | 0 | 0 | 0/1 | p48 |
| 2026-10-15 | 0 | 0 | 0/1 | p39 |
| 2026-10-14 | 0 | 0 | 0/1 | p40 |
| 2026-10-13 | 0 | 0 | 0/1 | p35 |
| 2026-10-12 | 0 | 0 | 0/1 | p38 |
| 2026-10-11 | 0 | 0 | 0/1 | p59 |
| 2026-10-10 | 0 | 0 | 0/1 | p58 |
| 2026-10-09 | 0 | 0 | 0/1 | p51 |
| 2026-10-08 | 0 | 0 | 0/1 | p43 |
Top water assets
- 66Moline Powerreservoir
- 66Lake George Damreservoir
- 66Tom Steele Damreservoir
- 65Crow Creek At Bettendorf, Iariver
- 65Mississippi River Lock And Dam 13reservoir
- 65Mississippi River Locks And Dam 15reservoir
- 65Eliza Creekriver
- 65Mississippi River Lock And Dam 17reservoir
- 65Whisky Runriver
- 65Mississippi River Lock And Dam 16reservoir