Nehalem HUC8 17100202
A 2,214 km² sub-basin of the Pacific Northwest region in OR. 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
78
Healthy
Drought index
42
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 2 reporting
Median flow
128%
p67 of record
Water assets
62
28 springs · 2 wells
USGS gauges (4)
- NEHALEM RIVER NEAR FOSS, OR14301000129 cfsp56 · normal
- NEHALEM RIVER NEAR VERNONIA, OR142998008 cfsp78 · above normal
- NEHALEM RIVER AT JEWELL, OR1430035066 cfsno long-term record
- NEHALEM RIVER AT NEHALEM, OR14301340no readingno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 42 | 0 | 0/2 | p67 |
Top water assets
- 76Bobs Creek — Power Developmentspring
- 76Zimmerman Creek — Industrial/Manufacturing Usesspring
- 76Vosburg Creek — Industrial/Manufacturing Usesspring
- 73Vosburg Creek — Industrial/Manufacturing Usesspring
- 66Pearl Creek — Domesticspring
- 66Fishhawk Lakereservoir
- 66Messhouse Creek — Industrial/Manufacturing Usesspring
- 66Unnamed Stream — Domesticspring
- 66Alder Creek — Irrigationspring
- 66Unnamed Creek — Domesticspring