North Fork American HUC8 18020128
A 2,623 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
79
Healthy
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
121%
p64 of record
Water assets
576
2 springs · 35 wells
USGS gauges (1)
- NF AMERICAN R A NORTH FORK DAM CA1142700063 cfsp64 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 100 | 0 | 0/1 | p64 |
| 2026-10-20 | 100 | 0 | 0/1 | p77 |
| 2026-10-19 | 100 | 0 | 0/1 | p77 |
| 2026-10-18 | 100 | 0 | 0/1 | p77 |
| 2026-10-17 | 100 | 0 | 0/1 | p80 |
| 2026-10-16 | 100 | 0 | 0/1 | p79 |
| 2026-10-15 | 100 | 0 | 0/1 | p78 |
| 2026-10-14 | 100 | 0 | 0/1 | p80 |
| 2026-10-13 | 100 | 0 | 0/1 | p81 |
| 2026-10-12 | 100 | 0 | 0/1 | p80 |
| 2026-10-11 | 100 | 0 | 0/1 | p81 |
| 2026-10-10 | 100 | 0 | 0/1 | p84 |
| 2026-10-09 | 100 | 0 | 0/1 | p85 |
| 2026-10-08 | 100 | 0 | 0/1 | p85 |
Top water assets
- 71L. L. Andersonreservoir
- 69Rice Creekriver
- 69Little Granite Creekriver
- 69Miller Creekriver
- 69Duncan Creekriver
- 69Monumental Creekriver
- 69Gerle Creekriver
- 69South Fork Rubicon Riverriver
- 69Powderhorn Creekriver
- 69Little Granite Creekriver