Spring HUC8 11010010
A 3,147 km² sub-basin of the Arkansas-White-Red region in AR, MO. 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
34
Stressed
Drought index
306
Extreme
Area in D2+
99.03%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
37%
p6 of record
Water assets
2,413
25 springs · 763 wells
USGS gauges (4)
- South Fork Spring River at Saddle, AR070692953 cfsp2 · much below normal
- Spring River at Imboden, AR07069500309 cfsp9 · much below normal
- Mammoth Spring at Mammoth Spring07069190no readingno long-term record
- Spring River near Mammoth Spring, AR07069220295 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 306 | 99.03 | 2/2 | p6 |
| 2026-10-17 | 306 | 99.03 | 2/2 | p6 |
| 2026-10-16 | 306 | 99.03 | 2/2 | p6 |
| 2026-10-15 | 293 | 85.26 | 2/2 | p6 |
| 2026-10-14 | 293 | 85.26 | 2/2 | p6 |
| 2026-10-13 | 293 | 85.26 | 2/2 | p6 |
| 2026-10-12 | 293 | 85.26 | 2/2 | p6 |
| 2026-10-11 | 293 | 85.26 | 2/2 | p7 |
| 2026-10-10 | 293 | 85.26 | 2/2 | p7 |
| 2026-10-09 | 293 | 85.26 | 2/2 | p8 |
| 2026-10-08 | 331 | 100 | 2/3 | p14 |
| 2026-10-07 | 331 | 100 | 3/3 | p14 |
| 2026-10-06 | 331 | 100 | 2/3 | p16 |
| 2026-10-05 | 331 | 100 | 3/3 | p16 |
Top water assets
- 67Mammoth Springspring
- 66Lake Navajo Damreservoir
- 66White Horse Mountain Damreservoir
- 66Cherokee Lake Damreservoir
- 66Lake Mirandy Damreservoir
- 66Sherwood Lake Damreservoir
- 66Wautauga Springs Damreservoir
- 66Lake Omahareservoir
- 66Lake Aztecreservoir
- 66Sequoyah Lake Damreservoir