Ketchikan HUC8 19010102
A 5,338 km² sub-basin of the Alaska region in AK. 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
79
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
184%
p78 of record
Water assets
264
232 springs · 18 wells
USGS gauges (2)
- FISH C NR KETCHIKAN AK150720001,100 cfsp78 · above normal
- LEASK CREEK AT SHELTER COVE NR KETCHIKAN AK15068040257 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 0 | 0 | 0/1 | p78 |
| 2026-10-17 | 0 | 0 | 0/1 | p84 |
| 2026-10-16 | 0 | 0 | 0/1 | p63 |
| 2026-10-15 | 100 | 0 | 1/1 | p19 |
| 2026-10-14 | 100 | 0 | 1/1 | p21 |
| 2026-10-13 | 100 | 0 | 1/1 | p20 |
| 2026-10-12 | 100 | 0 | 0/1 | p27 |
| 2026-10-11 | 100 | 0 | 0/1 | p33 |
| 2026-10-10 | 100 | 0 | 0/1 | p40 |
| 2026-10-09 | 100 | 0 | 0/1 | p52 |
| 2026-10-08 | 100 | 0 | 0/1 | p63 |
| 2026-10-07 | 100 | 0 | 0/1 | p69 |
| 2026-10-06 | 100 | 0 | 0/1 | p74 |
| 2026-10-05 | 100 | 0 | 0/1 | p78 |
Top water assets
- 67Swan Lakereservoir
- 66Ketchikan Lakesreservoir
- 66Lower Silvisreservoir
- 66Carlanna Lakereservoir
- 66Lake Connellreservoir
- 66Chester Lakereservoir
- 66Upper Silvisreservoir
- 65Ward Cove Cannery Damreservoir
- 65Bluff Lake Diversionreservoir
- 65Fish C Nr Ketchikan Akriver