Nassau HUC8 03070205
A 1,317 km² sub-basin of the South Atlantic-Gulf region in FL, GA. 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
60
Moderate
Drought index
200
Severe
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
-2748%
p99 of record
Water assets
287
1 springs · 62 wells
USGS gauges (1)
- NASSAU RIVER NEAR TISONIA, FL022312918,300 cfsp99 · much above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 200 | 0 | 0/1 | p99 |
Top water assets
- 65Mills Creekriver
- 65Thomas Creekriver
- 65Nassau Riverriver
- 65Lofton Creekriver
- 65Thomas Creekriver
- 65Nassau Riverriver
- 65Mills Creekriver
- 65Nassau Riverriver
- 65Cushing Creekriver
- 65Thomas Creekriver