Upper Skagit HUC8 17110005
A 5,206 km² sub-basin of the Pacific Northwest region in CN, WA. 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
45
Stressed
Drought index
300
Extreme
Area in D2+
99.94%
0% exceptional (D4)
Gauges below normal
67%
of 9 reporting
Median flow
35%
p9 of record
Water assets
2,135
183 springs · 14 wells
USGS gauges (14)
- RUBY CREEK BELOW PANTHER CREEK NEAR NEWHALEM, WA1217350065 cfsp7 · much below normal
- BACON CREEK BELOW OAKES CREEK NEAR MARBLEMOUNT, WA1217990061 cfsp7 · much below normal
- CASCADE RIVER AT MARBLEMOUNT, WA12182500194 cfsp8 · much below normal
- BIG BEAVER CREEK NEAR NEWHALEM, WA1217200077 cfsp8 · much below normal
- BAKER RIVER AB BLUM CREEK NEAR CONCRETE, WA12190400133 cfsp9 · much below normal
- THUNDER CREEK NEAR NEWHALEM, WA12175500181 cfsp10 · below normal
- BAKER RIVER AT HENRY THOMPSON BR AT CONCRETE, WA121934001,560 cfsp25 · normal
- SKAGIT RIVER AT MARBLEMOUNT, WA121810003,740 cfsp32 · normal
- SKAGIT RIVER AT NEWHALEM, WA121780003,390 cfsp52 · normal
- NEWHALEM CREEK NEAR NEWHALEM, WA12178100no readingno long-term record
- NEWHALEM CREEK AT NEWHALEM, WA1217815025 cfsno long-term record
- SKAGIT RIVER ABOVE ALMA CREEK NEAR MARBLEMOUNT, WA121790002,310 cfsno long-term record
- DIOBSUD CREEK NEAR MARBLEMOUNT, WA12180500no readingno long-term record
- SOUTH CASCADE MIDDLE TARN NEAR MARBLEMOUNT, WA1218109010 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 300 | 99.94 | 6/9 | p9 |
| 2026-10-18 | 300 | 99.94 | 5/9 | p16 |
| 2026-10-17 | 300 | 99.94 | 6/9 | p11 |
| 2026-10-16 | 300 | 99.94 | 7/9 | p9 |
| 2026-10-15 | 300 | 99.94 | 6/9 | p18 |
| 2026-10-14 | 300 | 99.94 | 6/9 | p10 |
| 2026-10-13 | 300 | 99.94 | 6/9 | p10 |
| 2026-10-12 | 300 | 99.94 | 6/9 | p12 |
| 2026-10-11 | 300 | 99.94 | 6/9 | p17 |
| 2026-10-10 | 300 | 99.94 | 4/9 | p31 |
| 2026-10-09 | 300 | 99.94 | 5/9 | p18 |
| 2026-10-08 | 300 | 99.94 | 5/9 | p23 |
| 2026-10-07 | 300 | 99.94 | 4/9 | p27 |
| 2026-10-06 | 300 | 99.94 | 3/9 | p39 |
Top water assets
- 76Po — Ce S1-24982Cwrisspring
- 76Po — Ce S1-*00394Cwrisspring
- 76Po — Ce S1-*14638Cwrisspring
- 76Po — Ce S1-*16925Cwrisspring
- 76Dm Fs Ir St — Ap S1-28117spring
- 76Ds Ir Po — Ce S1-*00532Cwrisspring
- 76Ci Mi — Ce S1-*07920Cwrisspring
- 76Po — Ce S1-*16926Cwrisspring
- 76Po — Ce S1-24981Cwrisspring
- 76Po — Ce S1-*14637Cwrisspring