Upper Dan HUC8 03010103
A 5,324 km² sub-basin of the South Atlantic-Gulf region in NC, VA. 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
60
Moderate
Drought index
221
Severe
Area in D2+
45.57%
0% exceptional (D4)
Gauges below normal
50%
of 12 reporting
Median flow
66%
p24 of record
Water assets
1,955
4 springs · 408 wells
USGS gauges (12)
- SANDY RIVER NEAR DANVILLE, VA0207450017 cfsp6 · much below normal
- SOUTH MAYO RIVER NEAR NETTLERIDGE, VA0206970039 cfsp12 · below normal
- DAN RIVER NEAR WENTWORTH, NC02071000335 cfsp13 · below normal
- SMITH RIVER AT MARTINSVILLE, VA02073000160 cfsp14 · below normal
- MAYO RIVER NEAR PRICE, NC02070500117 cfsp17 · below normal
- NORTH MAYO RIVER NEAR SPENCER, VA0207000051 cfsp22 · below normal
- DAN RIVER AT PINE HALL, NC02069000195 cfsp26 · normal
- SMITH RIVER AT EDEN, NC02074000227 cfsp27 · normal
- DAN RIVER NEAR FRANCISCO, NC0206850098 cfsp33 · normal
- SMITH RIVER AT BASSETT, VA02072500150 cfsp35 · normal
- SMITH RIVER NEAR PHILPOTT, VA02072000139 cfsp37 · normal
- SMITH RIVER AT SMITH RIV CHURCH NR WOOLWINE, VA0207153027 cfsp56 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 221 | 45.57 | 6/12 | p24 |
| 2026-10-20 | 221 | 45.57 | 7/12 | p23 |
| 2026-10-19 | 221 | 45.57 | 6/12 | p25 |
| 2026-10-18 | 221 | 45.57 | 5/12 | p29 |
| 2026-10-17 | 221 | 45.57 | 5/12 | p30 |
| 2026-10-16 | 221 | 45.57 | 3/12 | p35 |
| 2026-10-15 | 296 | 60.07 | 1/12 | p38 |
| 2026-10-14 | 296 | 60.07 | 1/12 | p46 |
| 2026-10-13 | 296 | 60.07 | 1/12 | p71 |
| 2026-10-12 | 296 | 60.07 | 0/12 | p92 |
| 2026-10-11 | 296 | 60.07 | 5/12 | p44 |
| 2026-10-10 | 296 | 60.07 | 10/12 | p8 |
| 2026-10-09 | 296 | 60.07 | 10/12 | p9 |
| 2026-10-08 | 296 | 60.07 | 9/12 | p8 |
Top water assets
- 67Dan Riverriver
- 67Round Meadow Creekriver
- 67Ivy Creekriver
- 67Dan Riverriver
- 67Dan Riverriver
- 67Ivy Creekriver
- 67Maple Swamp Branchriver
- 67Townesreservoir
- 67Talbottreservoir
- 67Dan Riverriver