Middle Copper River HUC8 19020102
A 21,094 km² sub-basin of the Alaska region in AK. 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
79
Healthy
Drought index
16
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
77%
p31 of record
Water assets
5,594
90 springs · 500 wells
USGS gauges (1)
- GULKANA R AT SOURDOUGH AK152002801,030 cfsp31 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 16 | 0 | 0/1 | p31 |
Top water assets
- 63Alaska Glacier 10732glacier
- 63Alaska Glacier 10781glacier
- 63Alaska Glacier 15675glacier
- 63Nelchina Glacierglacier
- 63Cheshnina Glacierglacier
- 63Alaska Glacier 25153glacier
- 63Chetaslina Glacierglacier
- 63Dadina Glacierglacier
- 63Long Glacierglacier
- 63Tazlina Glacierglacier