Glacier Bay HUC8 19010302
A 9,937 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
77
Healthy
Drought index
3
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
428%
p89 of record
Water assets
835
38 springs · 15 wells
USGS gauges (1)
- SALMON R AT GUSTAVUS AK15057596912 cfsp89 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 3 | 0 | 0/1 | p89 |
| 2026-10-20 | 3 | 0 | 0/1 | p52 |
| 2026-10-19 | 3 | 0 | 0/1 | p55 |
| 2026-10-18 | 3 | 0 | 0/1 | p76 |
| 2026-10-17 | 3 | 0 | 0/1 | p82 |
| 2026-10-16 | 3 | 0 | 0/1 | p85 |
| 2026-10-15 | 3 | 0 | 1/1 | p16 |
| 2026-10-14 | 3 | 0 | 1/1 | p18 |
| 2026-10-13 | 3 | 0 | 1/1 | p23 |
| 2026-10-12 | 3 | 0 | 0/1 | p26 |
| 2026-10-11 | 3 | 0 | 1/1 | p21 |
| 2026-10-10 | 3 | 0 | 0/1 | p33 |
| 2026-10-09 | 3 | 0 | 0/1 | p46 |
| 2026-10-08 | 3 | 0 | 0/1 | p82 |
Top water assets
- 63McBride Glacierglacier
- 63Muir Glacierglacier
- 63Margerie Glacierglacier
- 63Lamplugh Glacierglacier
- 63Johns Hopkins Glacierglacier
- 63Hugh Miller Glacierglacier
- 63Riggs Glacierglacier
- 63Morse Glacierglacier
- 63Grand Pacific Glacierglacier
- 63Ferris Glacierglacier