Nisqually HUC8 17110015
A 1,994 km² sub-basin of the Pacific Northwest region in WA. 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
58
Moderate
Drought index
86
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
57%
of 7 reporting
Median flow
66%
p16 of record
Water assets
5,371
479 springs · 4,173 wells
USGS gauges (8)
- NISQUALLY RIVER NEAR NATIONAL, WA12082500193 cfsp7 · much below normal
- OHOP CREEK NEAR EATONVILLE, WA120880003 cfsp7 · much below normal
- CENTRALIA POWER CANAL NEAR MCKENNA, WA1208920819 cfsp10 · much below normal
- MINERAL CREEK NEAR MINERAL, WA1208300023 cfsp16 · below normal
- NISQUALLY RIVER AT LA GRANDE, WA12086500663 cfsp32 · normal
- MASHEL RIVER NEAR LA GRANDE, WA1208700011 cfsp33 · normal
- NISQUALLY RIVER AT MCKENNA, WA12089500712 cfsp79 · above normal
- NISQUALLY RIVER AT LA GRANDE DAM, WA1208600040 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 86 | 0 | 4/7 | p16 |
Top water assets
- 76Po — Ce S2-30004spring
- 76Fs — Ce S2-*10074Cwrisspring
- 76Fs — Ce S2-25072Cwrisspring
- 76Ci Ir — Cl S2-301340Clspring
- 76Ci — Ce S2-*02188Cwrisspring
- 76Po — Ce S2-27488Cwrisspring
- 76Po — Ce S2-*01982Cwrisspring
- 76Po — Cc S2-Ccvol1P209spring
- 76St — Cl S2-300905Clspring
- 76Dm — Ce S2-*20449Cwrisspring