Cow Creek HUC8 18020151
A 1,107 km² sub-basin of the California region in CA. 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
73
Moderate
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
221%
p82 of record
Water assets
126
0 springs · 41 wells
USGS gauges (1)
- COW C NR MILLVILLE CA1137400064 cfsp82 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 100 | 0 | 0/1 | p82 |
Top water assets
- 67Old Cow Creekriver
- 67Dry Clover Creekriver
- 67South Cow Creekriver
- 67South Cow Creekriver
- 67Glendenning Creekriver
- 67Old Cow Creekriver
- 67Old Cow Creekriver
- 65Cow C Nr Millville Cariver
- 65Little Cow Creekriver
- 65Cow Creekriver