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 2026-09-01); 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%
p54 of record
Water assets
1,439
2 springs · 685 wells
USGS gauges (2)
- Mississippi River at Clinton, IA0542050035,700 cfsp54 · normal
- Crow Creek at Bettendorf, IA054224705 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 0/1 | p54 |
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