Lake Red Rock HUC8 07100008
A 6,326 km² sub-basin of the Upper Mississippi region in IA. 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
2
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 8 reporting
Median flow
198%
p75 of record
Water assets
3,144
0 springs · 457 wells
USGS gauges (8)
- Des Moines River near Swan, IA05487520621 cfsp26 · normal
- White Breast Creek near Dallas, IA0548798010 cfsp50 · normal
- South River near Ackworth, IA0548747021 cfsp57 · normal
- Des Moines River blw Raccoon Riv at Des Moines, IA054855002,550 cfsp74 · normal
- Middle River near Indianola, IA0548649081 cfsp76 · above normal
- Fourmile Creek near Ankeny, IA DS10548560553 cfsp82 · above normal
- North River near Norwalk, IA0548600074 cfsp84 · above normal
- Fourmile Creek at Des Moines, IA0548564077 cfsp93 · much above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 2 | 0 | 0/8 | p75 |
Top water assets
- 66Mark Maeder Damreservoir
- 66Rocky Branch Creek, Site Mike Taylor Damreservoir
- 66Merrill Dorland Damreservoir
- 66Lehr Damreservoir
- 66Arrowhead Investments Damreservoir
- 66Dtl Farms Llc Damreservoir
- 66Greg Gilbert Damreservoir
- 66Frank Riley Damreservoir
- 66Rasmussen Damreservoir
- 66Tim Lau Site 2reservoir