Current level
4,711.37ft
−13.63 ft vs full pool
Low
Vs full pool
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Boysen Reservoir is currently at 4711.37 ft, 13.63 ft below full pool. The current Boysen Reservoir lake level fell 0.08 ft since the last reading and remains down 0.55 ft over the past seven days.
Boysen Reservoir is 13.63 ft below full pool, and its current lake level has fallen 0.55 ft over the past seven days.
4711.37 ft · Updated 1 hour ago · U.S. Bureau of Reclamation
Current level
4,711.37ft
−13.63 ft vs full pool
Low
Vs full pool
Since last reading
Previous readingAug 174,711.49 ft
7-day change
7-day trend: Falling
8 daily readings in the last 7 days
30-day change
31 daily readings in the last 30 days
Selected for hot and sunny conditions. High temperatures and strong sun today make staying cool and protected on the water especially important.
High temperatures and strong sun today make staying cool and protected on the water especially important.
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Elevation (ft) MSL
Published elevations from lake operators when provided by the data service.
Fremont County, WY
Moderate Drought
StableModerate drought is affecting the watershed.
Severity
Official drought: 100% of watershed in official drought (D1+).
Aug 18, 2026
4,711.41 ft
-0.08 ft
Aug 17, 2026
4,711.49 ft
-0.03 ft
Aug 16, 2026
4,711.52 ft
-0.15 ft
Aug 15, 2026
4,711.67 ft
-0.02 ft
Aug 14, 2026
4,711.69 ft
-0.1 ft
Aug 13, 2026
4,711.79 ft
-0.07 ft
Aug 12, 2026
4,711.86 ft
-0.1 ft
| Date | Level (ft) | Change (ft) |
|---|---|---|
| Aug 18, 2026 | 4,711.41 | -0.08 |
| Aug 17, 2026 | 4,711.49 | -0.03 |
| Aug 16, 2026 | 4,711.52 | -0.15 |
| Aug 15, 2026 | 4,711.67 | -0.02 |
| Aug 14, 2026 | 4,711.69 | -0.1 |
| Aug 13, 2026 | 4,711.79 | -0.07 |
| Aug 12, 2026 | 4,711.86 | -0.1 |
| Aug 11, 2026 | 4,711.96 | -0.07 |
| Aug 10, 2026 | 4,712.03 | -0.06 |
| Aug 9, 2026 | 4,712.09 | -0.08 |
| Aug 8, 2026 | 4,712.17 | -0.07 |
| Aug 7, 2026 | 4,712.24 | -0.1 |
| Aug 6, 2026 | 4,712.34 | -0.09 |
| Aug 5, 2026 | 4,712.43 | -0.01 |
The current water level at Boysen Reservoir is 4,711.37 ft (updated 1 hour ago). You can track the Boysen Reservoir lake level on the interactive chart and daily history above.
Full pool for Boysen Reservoir is 4,725 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.
The current 7-day trend for the Boysen Reservoir lake level is falling — falling about 0.55 ft over the past week. See the history chart above for the full picture.
Based on the latest gauge reading, Boysen Reservoir is currently 13.63 ft below full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.
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