California reservoir levels today
Daily elevation and storage for California's 18 largest reservoirs, from the state's California Data Exchange Center. Together they hold 18.73 maf today.
Combined storage · 18 reservoirs
18.73 maf
−0.55 maf vs. a year ago
Vs. the recorded peak
79%
of the highest month-mean on record (23.6 maf, 2011-07)
The major reservoirs, mapped
Each marker shows today's pool elevation; red names are lower than a year ago. Click any reservoir for its full page. Basemap: USGS The National Map; coordinates and data from CDEC.
Combined storage over time
Every tracked California reservoir
| Reservoir | Elevation (ft) | Vs. 1 year (ft) | Storage | As of |
|---|---|---|---|---|
| Shasta Lake | 1,010.11 | -7.85 | 3.05 maf | 2026-07-31 |
| Lake Oroville | 836.3 | -16.31 | 2.53 maf | 2026-07-30 |
| Trinity Lake | 2,333.8 | -12.85 | 1.90 maf | 2026-07-31 |
| New Melones Lake | 1,015.38 | -11.03 | 1.62 maf | 2026-07-31 |
| San Luis Reservoir | 466.65 | +37.47 | 1.14 maf | 2026-07-31 |
| Don Pedro Reservoir | 805.14 | -3.15 | 1.73 maf | 2026-07-30 |
| Lake Berryessa | 432.67 | -1.04 | 1.42 maf | 2026-07-30 |
| Folsom Lake | 433.84 | +8.27 | 648 kaf | 2026-07-31 |
| Pine Flat Lake | 790.22 | -21.06 | 285 kaf | 2026-07-31 |
| Lake McClure | 815.73 | -15.07 | 706 kaf | 2026-07-30 |
| Camanche Reservoir | 229.02 | +7.43 | 370 kaf | 2026-07-30 |
| New Bullards Bar Reservoir | 1,919.96 | +2.19 | 801 kaf | 2026-07-30 |
| Lake Perris | 1,584.9 | -0.39 | 120 kaf | 2026-07-31 |
| Castaic Lake | 1,507.23 | -1.9 | 307 kaf | 2026-07-31 |
| Lake Sonoma | 452.05 | +0.91 | 248 kaf | 2026-07-31 |
| Millerton Lake | 522.59 | -7.82 | 288 kaf | 2026-07-30 |
| Isabella Lake | 2,568.73 | -7.47 | 224 kaf | 2026-07-31 |
| New Hogan Lake | 675.85 | -0.4 | 181 kaf | 2026-07-31 |
Data: California Data Exchange Center (CDEC), refreshed nightly. Elevation and storage are reported daily; occasional bad readings in the historical record are filtered. Sources and computation rules: data & methodology.