Headwaters Portland Canal HUC8 19010106
A 3,590 km² sub-basin of the Alaska region in AK, CN. 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
82
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
221%
p75 of record
Water assets
324
6 springs · 1 wells
USGS gauges (1)
- SALMON R NR HYDER AK150080001,250 cfsp75 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 0 | 0 | 0/1 | p75 |
| 2026-10-18 | 0 | 0 | 0/1 | p67 |
| 2026-10-17 | 0 | 0 | 0/1 | p87 |
| 2026-10-16 | 0 | 0 | 0/1 | p81 |
| 2026-10-15 | 100 | 0 | 1/1 | p20 |
| 2026-10-14 | 100 | 0 | 0/1 | p27 |
| 2026-10-13 | 100 | 0 | 1/1 | p15 |
| 2026-10-12 | 100 | 0 | 1/1 | p13 |
| 2026-10-11 | 100 | 0 | 0/1 | p38 |
| 2026-10-10 | 100 | 0 | 0/1 | p77 |
| 2026-10-09 | 100 | 0 | 0/1 | p71 |
| 2026-10-08 | 100 | 0 | 0/1 | p76 |
| 2026-10-07 | 100 | 0 | 0/1 | p77 |
| 2026-10-06 | 100 | 0 | 0/1 | p66 |
Top water assets
- 65Salmon R Nr Hyder Akriver
- 63Alaska Glacier 05976glacier
- 63Alaska Glacier 05993glacier
- 63Alaska Glacier 06025glacier
- 63Alaska Glacier 05965glacier
- 63Alaska Glacier 05992glacier
- 63Texas Glacierglacier
- 63Alaska Glacier 05838glacier
- 63Soule Glacierglacier
- 63Alaska Glacier 05940glacier