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California Reservoir Levels
Eight major reservoirs, updated daily from CDEC gauges - with percent-of-average context for this date.
Western Reservoir Conditions·Daily·No. 92··Latest reading
- The 8 California reservoirs tracked here hold 11.59 million acre-feet as of - 59.5% of their combined 19.47 million acre-foot capacity.
- Fullest right now: Lake Berryessa at 82.9%. Lowest: Folsom Lake at 39.5%.
- All data from California DWR CDEC daily gauges (sensor 6 elevation, sensor 15 storage), rebuilt daily.
62.8%
Moderate
1,003.94 ft · 1,507,625 AF
wk -0.73 ft · yr -11.83 ft
73.2%
Moderate
782.91 ft · 1,486,572 AF
wk -2.10 ft · yr -4.01 ft
69.3%
Moderate
491.87 ft · 1,415,396 AF
wk -3.68 ft · yr +30.57 ft
All 8, side by side
| Reservoir | % full | How full | % of date avg | Elevation (ft) | Storage (AF) | 1-yr change | Record low |
|---|---|---|---|---|---|---|---|
| Shasta Lake | 51.1% | Moderate | 98% | 975.31 | 2,325,643 | -13.18 ft | 882.24 ft (2021) |
| Lake Oroville | 43.6% | Low | 85% | 738.44 | 1,494,491 | -39.38 ft | 628.63 ft (2021) |
| Folsom Lake | 39.5% | Low | 91% | 400.96 | 385,821 | -6.13 ft | 347.16 ft (1988) |
| Lake Berryessa | 82.9% | High | 118% | 427.77 | 1,328,027 | -1.40 ft | 361.75 ft (1992) |
| New Melones Lake | 62.8% | Moderate | 117% | 1,003.94 | 1,507,625 | -11.83 ft | 721.15 ft (1992) |
| Trinity Lake | 67.2% | Moderate | 113% | 2,314.89 | 1,645,322 | -7.59 ft | 2,179.14 ft (2015) |
| Don Pedro Reservoir | 73.2% | Moderate | 112% | 782.91 | 1,486,572 | -4.01 ft | 671.19 ft (2015) |
| San Luis Reservoir | 69.3% | Moderate | 161% | 491.87 | 1,415,396 | +30.57 ft | 344.96 ft (1989) |
Effectively full 95% and aboveHigh 75–95%Moderate 50–75%Low 30–50%Very low 15–30%Critically low under 15%
These bands describe share of capacity, not drought severity - some reservoirs are held near the top of a narrow band by design. How they are defined.
"% of date avg" compares today's storage with the average storage on this calendar date across each reservoir's CDEC record (mostly since 1985) - the quickest honest answer to "is this normal for this time of year?".