Upper Bear HUC8 16010101
A 5,203 km² sub-basin of the Great Basin region in UT, WY. 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
66
Moderate
Drought index
231
Severe
Area in D2+
31.11%
0% exceptional (D4)
Gauges below normal
20%
of 5 reporting
Median flow
111%
p54 of record
Water assets
2,948
525 springs · 170 wells
USGS gauges (5)
- BIG CREEK NEAR RANDOLPH, UT100230003 cfsp13 · below normal
- BEAR RIVER AT EVANSTON, WY1001690044 cfsp47 · normal
- BEAR RIVER BELOW RESERVOIR, NEAR WOODRUFF, UT1002030034 cfsp54 · normal
- BEAR RIVER ABOVE RESERVOIR, NEAR WOODRUFF, UT1002010030 cfsp56 · normal
- BEAR RIVER NEAR UTAH-WYOMING STATE LINE1001150088 cfsp68 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 231 | 31.11 | 1/5 | p54 |
Top water assets
- 71Bear River — Iriver
- 69Bridger Creekriver
- 69Woodruff Creekreservoir
- 69Hayden Forkriver
- 69Bear Riverriver
- 69Bear River Below Reservoir, Near Woodruff, Utriver
- 69Crane Creekriver
- 69Deadman Creekriver
- 69Mill Creekriver
- 69Birch Creekriver