Naches HUC8 17030002
A 2,861 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
69
Moderate
Drought index
200
Severe
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
79%
p29 of record
Water assets
2,608
13 springs · 1,283 wells
USGS gauges (2)
- AMERICAN RIVER NEAR NILE, WA1248850043 cfsp29 · normal
- OAK CREEK ABOVE TIETON RIVER NEAR NACHES, WA124929002 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 200 | 0 | 0/1 | p29 |
Top water assets
- 69Indian Creekriver
- 69North Fork Tieton Riverriver
- 69North Fork Union Creekriver
- 69Indian Creekriver
- 68Clear Creek Damreservoir
- 67American River Near Nile, Wariver
- 67Tieton Damreservoir
- 67Copper Creekriver
- 67South Fork Little Naches Riverriver
- 67Little Naches Riverriver