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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
80
Healthy
Drought index
7
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
287
1 springs · 62 wells
USGS gauges (1)
- NASSAU RIVER NEAR TISONIA, FL02231291no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 7 | 0 | — | — |
| 2026-10-17 | 7 | 0 | — | — |
| 2026-10-16 | 7 | 0 | — | — |
| 2026-10-15 | 53 | 0 | — | — |
| 2026-10-14 | 53 | 0 | 0/1 | p80 |
| 2026-10-13 | 53 | 0 | 0/1 | p97 |
| 2026-10-12 | 53 | 0 | 0/1 | p99 |
| 2026-10-11 | 53 | 0 | 0/1 | p98 |
| 2026-10-10 | 53 | 0 | 0/1 | p99 |
| 2026-10-09 | 53 | 0 | 0/1 | p99 |
| 2026-10-08 | 128 | 0 | 0/1 | p99 |
| 2026-10-07 | 128 | 0 | 0/1 | p99 |
| 2026-10-06 | 128 | 0 | — | — |
| 2026-10-05 | 128 | 0 | — | — |
Top water assets
- 65Mills Creekriver
- 65Thomas Creekriver
- 65Nassau Riverriver
- 65Lofton Creekriver
- 65Thomas Creekriver
- 65Nassau Riverriver
- 65Mills Creekriver
- 65Nassau Riverriver
- 65Cushing Creekriver
- 65Thomas Creekriver