Current level
490.98ft
−53.02 ft vs full pool
Low
Vs full pool
Water Level History
- Current
- 490.98 ft
- 24h
- -0.17 ft
- 7d
- -2.99 ft
- 30d
- -4.24 ft
Elevation (ft) NGVD29 · MSL
Reference line is designed full pool.
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Follow San Luis Reservoir — FreeLake Level Context
Level remains below the full pool
San Luis Reservoir is currently 490.98 ft, 53.02 ft below its full pool. The lake has fallen 2.99 ft over the past 7 days and 4.24 ft over the past 30 days.
San Luis Reservoir Level Details
Reference elevations, recent daily readings, data sources, and answers to common questions.
Conditions & Reference
Level status
53.02 ft below full pool
- Current level
- 490.98 ft
- Full pool
- 544 ft
- DatumElevation referenced to National Geodetic Vertical Datum of 1929.
- NGVD29
- Elevation reference
- MSL
- Source
- California Data Exchange Center
Reference levels
- Full pool544 ft
Surrounding county drought
No Drought
Dominant category Abnormally Dry (D0); not counted as official drought.
Severity
NoneExtreme
- Trend
- Stable
Daily level summary
| Date | Level | Change |
|---|---|---|
| Oct 24, 2026 | 490.98 | -0.17 |
| Oct 23, 2026 | 491.15 | -0.46 |
| Oct 22, 2026 | 491.61 | -0.26 |
| Oct 21, 2026 | 491.87 | -0.53 |
| Oct 20, 2026 | 492.4 | -0.61 |
| Oct 19, 2026 | 493.01 | -0.48 |
| Oct 18, 2026 | 493.49 | -0.48 |
| Oct 17, 2026 | 493.97 | -0.41 |
| Oct 16, 2026 | 494.38 | -0.44 |
| Oct 15, 2026 | 494.82 | -0.73 |
| Oct 14, 2026 | 495.55 | -0.68 |
| Oct 13, 2026 | 496.23 | -0.44 |
| Oct 12, 2026 | 496.67 | -0.67 |
| Oct 11, 2026 | 497.34 | -0.59 |