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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
60
Moderate
Drought index
200
Severe
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
40%
of 5 reporting
Median flow
137%
p54 of record
Water assets
2,948
525 springs · 170 wells
USGS gauges (5)
- BIG CREEK NEAR RANDOLPH, UT100230004 cfsp10 · much below normal
- BEAR RIVER BELOW RESERVOIR, NEAR WOODRUFF, UT1002030012 cfsp24 · below normal
- BEAR RIVER ABOVE RESERVOIR, NEAR WOODRUFF, UT1002010038 cfsp54 · normal
- BEAR RIVER AT EVANSTON, WY10016900111 cfsp83 · above normal
- BEAR RIVER NEAR UTAH-WYOMING STATE LINE10011500141 cfsp86 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 200 | 0 | 2/5 | p54 |
| 2026-10-19 | 200 | 0 | 2/5 | p55 |
| 2026-10-18 | 200 | 0 | 2/5 | p57 |
| 2026-10-17 | 200 | 0 | 2/5 | p59 |
| 2026-10-16 | 200 | 0 | 2/5 | p68 |
| 2026-10-15 | 200 | 0 | 1/5 | p78 |
| 2026-10-14 | 200 | 0 | 1/5 | p86 |
| 2026-10-13 | 200 | 0 | 1/5 | p82 |
| 2026-10-12 | 200 | 0 | 2/5 | p30 |
| 2026-10-11 | 200 | 0 | 2/5 | p32 |
| 2026-10-10 | 200 | 0 | 2/5 | p32 |
| 2026-10-09 | 200 | 0 | 2/5 | p28 |
| 2026-10-08 | 200 | 0 | 2/5 | p27 |
| 2026-10-07 | 200 | 0 | 2/5 | p30 |
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