South Fork Obion HUC8 08010203
A 2,999 km² sub-basin of the Lower Mississippi region in TN. 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
67
Moderate
Drought index
112
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 2 reporting
Median flow
83%
p24 of record
Water assets
614
2 springs · 145 wells
USGS gauges (2)
- NORTH FORK OBION RIVER NEAR MARTIN, TN (CE)07025400165 cfsp12 · below normal
- SOUTH FORK OBION RIVER NEAR GREENFIELD, TN07024500129 cfsp36 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 112 | 0 | 1/2 | p24 |
| 2026-10-17 | 112 | 0 | 0/2 | p32 |
| 2026-10-16 | 112 | 0 | 0/2 | p49 |
| 2026-10-15 | 112 | 0 | 0/2 | p60 |
| 2026-10-14 | 112 | 0 | 1/2 | p28 |
| 2026-10-13 | 112 | 0 | 1/2 | p28 |
| 2026-10-12 | 112 | 0 | 1/2 | p31 |
| 2026-10-11 | 112 | 0 | 1/2 | p31 |
| 2026-10-10 | 112 | 0 | 1/2 | p30 |
| 2026-10-09 | 112 | 0 | 1/2 | p28 |
| 2026-10-08 | 104 | 0 | 1/2 | p27 |
| 2026-10-07 | 104 | 0 | 1/2 | p29 |
| 2026-10-06 | 104 | 0 | 1/2 | p34 |
| 2026-10-05 | 104 | 0 | 0/2 | p37 |
Top water assets
- 65Rutherford Fork Obion Riverriver
- 65Middle Fork Obion Riverriver
- 65Middle Fork Obion Riverriver
- 65Middle Fork Obion Riverriver
- 65Rutherford Fork Obion Riverriver
- 65Adams Branchriver
- 65Edmundson Creekriver
- 65DeMoss Branchriver
- 65South Fork Obion River Near Greenfield, Tnriver
- 65Rutherford Fork Obion Riverriver