Current level
4,316.09ft
−38.91 ft vs full pool
Low
Vs full pool
Water Level History
- Current
- 4316.09 ft
- 24h
- +0.35 ft
- 7d
- +2.86 ft
- 30d
- +7.26 ft
Elevation (ft) NGVD29 · MSL
Reference line is designed full pool.
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Follow American Falls Reservoir — FreeLake Level Context
Level remains below the full pool
American Falls Reservoir is currently 4316.09 ft, 38.91 ft below its full pool. The lake has risen 2.86 ft over the past 7 days and 7.26 ft over the past 30 days.
American Falls Reservoir Level Details
Reference elevations, recent daily readings, data sources, and answers to common questions.
Conditions & Reference
Level status
38.91 ft below full pool
- Current level
- 4,316.09 ft
- Full pool
- 4,355 ft
- DatumElevation referenced to National Geodetic Vertical Datum of 1929.
- NGVD29
- Elevation reference
- MSL
- Source
- U.S. Bureau of Reclamation (USBR)
Reference levels
- Full pool4,355 ft
Surrounding county drought
Extreme Drought
100% of surrounding county in official drought (D1–D4).
Severity
NoneExtreme
- Trend
- Stable
Daily level summary
| Date | Level | Change |
|---|---|---|
| Oct 24, 2026 | 4,316.09 | +0.35 |
| Oct 23, 2026 | 4,315.74 | +0.45 |
| Oct 22, 2026 | 4,315.29 | +0.41 |
| Oct 21, 2026 | 4,314.88 | +0.34 |
| Oct 20, 2026 | 4,314.54 | +0.42 |
| Oct 19, 2026 | 4,314.12 | +0.42 |
| Oct 18, 2026 | 4,313.7 | +0.47 |
| Oct 17, 2026 | 4,313.23 | +0.49 |
| Oct 16, 2026 | 4,312.74 | +0.5 |
| Oct 15, 2026 | 4,312.24 | +0.5 |
| Oct 14, 2026 | 4,311.74 | +0.51 |
| Oct 13, 2026 | 4,311.23 | +0.4 |
| Oct 12, 2026 | 4,310.83 | +1.27 |
| Sep 29, 2026 | 4,309.56 | +0.06 |