Current level
3,805.46ft
−46.54 ft vs full pool
Low
Vs full pool
Water Level History
- Current
- 3805.46 ft
- 24h
- +0.26 ft
- 7d
- +4.11 ft
- 30d
- +4.09 ft
Elevation (ft) MSL
Reference line is designed full pool.
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Follow John Martin Reservoir — FreeLake Level Context
Level remains below the full pool
John Martin Reservoir is currently 3805.46 ft, 46.54 ft below its full pool. The lake has risen 4.11 ft over the past 7 days and 4.09 ft over the past 30 days.
John Martin Reservoir Level Details
Reference elevations, recent daily readings, data sources, and answers to common questions.
Conditions & Reference
Level status
46.54 ft below full pool
- Current level
- 3,805.46 ft
- Full pool
- 3,852 ft
- DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
- Not available
- Elevation reference
- MSL
- Source
- U.S. Geological Survey (USGS)
Reference levels
- Full pool3,852 ft
- Flood stage3,880 ft
Watershed drought
Abnormally Dry
48% of watershed in official drought (D1+).
Severity
NoneExtreme
- Trend
- Improving
Daily level summary
| Date | Level | Change |
|---|---|---|
| Oct 5, 2026 | 3,805.37 | +0.26 |
| Oct 4, 2026 | 3,805.11 | +0.55 |
| Oct 3, 2026 | 3,804.56 | +1.1 |
| Oct 2, 2026 | 3,803.46 | +1.24 |
| Oct 1, 2026 | 3,802.22 | +0.97 |
| Sep 30, 2026 | 3,801.25 | +0.2 |
| Sep 29, 2026 | 3,801.05 | -0.21 |
| Sep 28, 2026 | 3,801.26 | -0.12 |
| Sep 27, 2026 | 3,801.38 | -0.01 |
| Sep 26, 2026 | 3,801.39 | +0.04 |
| Sep 25, 2026 | 3,801.35 | +0.05 |
| Sep 24, 2026 | 3,801.3 | +0.06 |
| Sep 23, 2026 | 3,801.24 | +0.14 |
| Sep 22, 2026 | 3,801.1 | +0.03 |