Big-Navarro-Garcia HUC8 18010108
A 4,151 km² sub-basin of the California region in CA. 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
61
Moderate
Drought index
86
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
43%
p14 of record
Water assets
1,338
6 springs · 136 wells
USGS gauges (2)
- NOYO R NR FORT BRAGG CA114685003 cfsp12 · below normal
- NAVARRO R NR NAVARRO CA114680005 cfsp17 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 86 | 0 | 2/2 | p14 |
| 2026-10-19 | 86 | 0 | 2/2 | p13 |
| 2026-10-18 | 86 | 0 | 2/2 | p14 |
| 2026-10-17 | 86 | 0 | 2/2 | p13 |
| 2026-10-16 | 86 | 0 | 2/2 | p13 |
| 2026-10-15 | 86 | 0 | 2/2 | p12 |
| 2026-10-14 | 86 | 0 | 2/2 | p13 |
| 2026-10-13 | 86 | 0 | 2/2 | p14 |
| 2026-10-12 | 86 | 0 | 2/2 | p15 |
| 2026-10-11 | 86 | 0 | 2/2 | p17 |
| 2026-10-10 | 86 | 0 | 2/2 | p19 |
| 2026-10-09 | 86 | 0 | 1/2 | p20 |
| 2026-10-08 | 86 | 0 | 1/2 | p20 |
| 2026-10-07 | 86 | 0 | 1/2 | p20 |
Top water assets
- 67Beebe Creekriver
- 67Beebe Creekriver
- 67Beebe Creekriver
- 65Rancheria Creekriver
- 65Navarro R Nr Navarro Cariver
- 65Garcia Riverriver
- 65Noyo R Nr Fort Bragg Cariver
- 65North Fork Ten Mile Riverriver
- 65Navarro Riverriver
- 65Brush Creekriver