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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
76
Healthy
Drought index
107
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
72%
p37 of record
Water assets
264
232 springs · 18 wells
USGS gauges (2)
- FISH C NR KETCHIKAN AK15072000233 cfsp37 · normal
- LEASK CREEK AT SHELTER COVE NR KETCHIKAN AK1506804015 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 107 | 0 | 0/1 | p37 |
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