Lynn Canal HUC8 19010301
A 6,084 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
69
Moderate
Drought index
77
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
336%
p87 of record
Water assets
1,652
359 springs · 686 wells
USGS gauges (4)
- MENDENHALL R NR AUKE BAY AK150525002,490 cfsp85 · above normal
- ANTLER R BL ANTLER LK NR AUKE BAY AK15055500416 cfsp87 · above normal
- LEMON C NR JUNEAU AK15052000813 cfsp94 · much above normal
- MONTANA C NR AUKE BAY AK1505280083 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 77 | 0 | 0/3 | p87 |
| 2026-10-17 | 77 | 0 | 0/3 | p90 |
| 2026-10-16 | 77 | 0 | 0/3 | p76 |
| 2026-10-15 | 77 | 0 | 1/3 | p25 |
| 2026-10-14 | 77 | 0 | 1/3 | p32 |
| 2026-10-13 | 77 | 0 | 1/3 | p42 |
| 2026-10-12 | 77 | 0 | 1/3 | p38 |
| 2026-10-11 | 77 | 0 | 1/3 | p29 |
| 2026-10-10 | 77 | 0 | 1/3 | p37 |
| 2026-10-09 | 77 | 0 | 0/3 | p69 |
| 2026-10-08 | 77 | 0 | 0/3 | p80 |
| 2026-10-07 | 77 | 0 | 0/3 | p85 |
| 2026-10-06 | 77 | 0 | 0/3 | p83 |
| 2026-10-05 | 77 | 0 | 0/3 | p81 |
Top water assets
- 67Salmon Creekreservoir
- 66Lower Slate Lake Tailings Damreservoir
- 65Antler R Bl Antler Lk Nr Auke Bay Akriver
- 65Mendenhall R Nr Auke Bay Akriver
- 65Montana C Nr Auke Bay Akriver
- 65Douglas Island Damreservoir
- 63Eagle Glacierglacier
- 63Echo Glacierglacier
- 63Gilkey Glacierglacier
- 63Mendenhall Glacierglacier