Kuiu-Kupreanof-Mitkof Islands HUC8 19010210
A 7,661 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
70
Moderate
Drought index
67
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
136
122 springs · 9 wells
USGS gauges (1)
- TWELVEMILE C NR PETERSBURG AK15087585230 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 67 | 0 | — | — |
| 2026-10-17 | 67 | 0 | — | — |
| 2026-10-16 | 67 | 0 | — | — |
| 2026-10-15 | 100 | 0 | — | — |
| 2026-10-14 | 100 | 0 | — | — |
| 2026-10-13 | 100 | 0 | — | — |
| 2026-10-12 | 100 | 0 | — | — |
| 2026-10-11 | 100 | 0 | — | — |
| 2026-10-10 | 100 | 0 | — | — |
| 2026-10-09 | 100 | 0 | — | — |
| 2026-10-08 | 100 | 0 | — | — |
| 2026-10-07 | 100 | 0 | — | — |
| 2026-10-06 | 100 | 0 | — | — |
| 2026-10-05 | 100 | 0 | — | — |
Top water assets
- 66Crystal Lakereservoir
- 66New Kake Damreservoir
- 66Cabin Creek Damreservoir
- 65Petersburg Upper Damreservoir
- 53Surface Water — Lasspring
- 53Surface Water — Lasspring
- 53Surface Water — Adlspring
- 53Surface Water — Lasspring
- 53Surface Water — Lasspring
- 53Surface Water — Lasspring