Of the 20 California lakes here with a published full pool, 20 sit below it. Another 28 have no full-pool figure and read against their own records instead. The newest reading on this page is from September 24, 2026.
| Lake | Level now | Full pool | Against full pool | Reading |
|---|---|---|---|---|
| Lake Tahoe USBR / Federal Watermaster (Truckee River Operating Agreement) | 6227.01 ft | 6229.10 ft | 2.1 ft below full pool — this gauge's public record is too short for seasonal comparisons | September 22, 2026 |
| Shasta Lake USBR (Central Valley Project) | 983.41 ft | 1067.00 ft | 83.6 ft below full pool — typical for late September | September 23, 2026 |
| Castaic Lake CA DWR (State Water Project) | 1508.03 ft | 1515.00 ft | 7.0 ft below full pool — unusually high for late September | September 23, 2026 |
| Clear Lake Yolo County Flood Control & WCD (Cache Creek Dam); levels tracked by Lake County | 2.51 ft | 7.56 ft | 5.1 ft below full pool — typical for late September | September 23, 2026 |
| Don Pedro Reservoir Turlock & Modesto Irrigation Districts | 788.78 ft | 830.00 ft | 41.2 ft below full pool — this gauge's public record is too short for seasonal comparisons | September 23, 2026 |
| Donner Lake Truckee Meadows Water Authority (Donner Lake Dam) | 5933.10 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Folsom Lake USBR (Central Valley Project) | 407.84 ft | 466.00 ft | 58.2 ft below full pool — typical for late September | September 23, 2026 |
| Lake Almanor PG&E (FERC Project 2105) | 4486.34 ft | 4494.00 ft | 7.7 ft below full pool — typical for late September | September 22, 2026 |
| Lake Berryessa USBR (Solano Project, Monticello Dam) | 428.97 ft | 440.00 ft | 11.0 ft below full pool — typical for late September | September 23, 2026 |
| Lake Del Valle California DWR (Del Valle Dam) | 690.10 ft | not published | Current reading shown; this gauge's public record is too short for seasonal comparisons. | September 23, 2026 |
| Lake Isabella USACE Sacramento District | 2557.60 ft | 2605.50 ft | 47.9 ft below full pool — typical for late September | September 24, 2026 |
| Lake Kaweah USACE Sacramento District | 601.63 ft | not published | Reading is unusually high for late September. | September 24, 2026 |
| Lake McClure Merced Irrigation District | 786.25 ft | 867.00 ft | 80.8 ft below full pool — typical for late September | September 23, 2026 |
| Lake Nacimiento Monterey County Water Resources Agency | 744.92 ft | not published | Current reading shown; this gauge's public record is too short for seasonal comparisons. | September 23, 2026 |
| Lake Oroville CA DWR (State Water Project) | 762.78 ft | 900.00 ft | 137.2 ft below full pool — typical for late September | September 23, 2026 |
| Lake San Antonio Monterey County Water Resources Agency | 739.52 ft | not published | Current reading shown; this gauge's public record is too short for seasonal comparisons. | September 23, 2026 |
| New Hogan Lake USACE Sacramento District | 668.51 ft | not published | Reading is typical for late September. | September 24, 2026 |
| New Melones Lake USBR (Central Valley Project) | 1007.46 ft | 1088.00 ft | 80.5 ft below full pool — typical for late September | September 23, 2026 |
| Salton Sea Natural terminal lake; USGS gauge | -244.00 ft | not published | Reading is unusually low for late September. | September 22, 2026 |
| San Vicente Reservoir City of San Diego | 653.86 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Stampede Reservoir Bureau of Reclamation (Stampede Dam) | 5921.48 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Trinity Lake USBR (Central Valley Project) | 2319.15 ft | 2370.00 ft | 50.8 ft below full pool — typical for late September | September 23, 2026 |
| Boca Reservoir Bureau of Reclamation (Boca Dam) | 5581.77 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Calaveras Reservoir San Francisco Public Utilities Commission | 725.24 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Camanche Reservoir EBMUD | 226.61 ft | 235.50 ft | 8.9 ft below full pool — unusually high for late September | September 22, 2026 |
| Eastman Lake USACE Sacramento District | 466.25 ft | not published | Reading is unusually low for late September. | September 24, 2026 |
| El Capitan Reservoir City of San Diego | 638.41 ft | not published | Reading is unusually low for late September. | September 23, 2026 |
| Englebright Lake USACE Sacramento District | 525.26 ft | not published | Reading is unusually high for late September. | September 24, 2026 |
| Gibraltar Reservoir City of Santa Barbara | 1382.64 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Hensley Lake USACE Sacramento District | 453.49 ft | not published | Reading is on the low side for late September. | September 24, 2026 |
| Independence Lake Truckee Meadows Water Authority / The Nature Conservancy | 6946.54 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Indian Valley Reservoir Yolo County Flood Control and Water Conservation District | 1458.65 ft | not published | Reading is on the high side for late September. | September 23, 2026 |
| Lake Cachuma Bureau of Reclamation (Cachuma OMB) | 743.94 ft | 750.00 ft | 6.1 ft below full pool — on the high side for late September | September 22, 2026 |
| Lake Casitas Casitas Municipal Water District | 562.86 ft | 567.00 ft | 4.1 ft below full pool — this gauge's public record is too short for seasonal comparisons | September 22, 2026 |
| Lake Mendocino US Army Corps of Engineers (Sonoma Water) | 732.81 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Lake Perris California Department of Water Resources | 1586.91 ft | not published | Reading is unusually high for late September. | September 22, 2026 |
| Lake Piru United Water Conservation District (Santa Felicia Dam) | 1038.27 ft | not published | Reading is on the high side for late September. | September 23, 2026 |
| Lake Sonoma US Army Corps of Engineers (Sonoma Water) | 446.97 ft | not published | Reading is unusually high for late September. | September 23, 2026 |
| Los Banos Creek Reservoir California DWR / Bureau of Reclamation | 296.00 ft | not published | Reading is unusually low for late September. | September 23, 2026 |
| Lower Crystal Springs Reservoir San Francisco Public Utilities Commission | 271.97 ft | not published | Reading is typical for late September. | September 23, 2026 |
| Millerton Lake USBR (CVP, Friant Dam) | 504.86 ft | 578.00 ft | 73.1 ft below full pool — typical for late September | September 23, 2026 |
| New Bullards Bar Reservoir Yuba Water Agency | 1895.92 ft | 1955.00 ft | 59.1 ft below full pool — on the high side for late September | September 23, 2026 |
| Pine Flat Lake USACE Sacramento District | 741.72 ft | 951.50 ft | 209.8 ft below full pool — on the low side for late September | September 24, 2026 |
| Prosser Creek Reservoir Bureau of Reclamation (Prosser Creek Dam) | 5719.08 ft | not published | Reading is on the high side for late September. | September 23, 2026 |
| Success Lake USACE Sacramento District | 599.77 ft | not published | Reading is on the high side for late September. | September 24, 2026 |
| Tulloch Reservoir Tri-Dam Project (Oakdale and South San Joaquin Irrigation Districts) | 507.98 ft | not published | Reading is on the low side for early September. | September 8, 2026 |
| Vail Lake Rancho California Water District | 1417.56 ft | not published | Reading is unusually low for late September. | September 23, 2026 |
| Whiskeytown Lake Bureau of Reclamation (Whiskeytown NRA) | 1208.75 ft | 1210.00 ft | 1.3 ft below full pool — typical for late September | September 23, 2026 |
“Full pool” means the conservation pool — what that is, and what it is not. Lakes with no published figure are read against their own seasonal record instead.
California lake levels, asked and answered
What are the lake levels in California today?
Of the 20 California lakes here with a published full pool, 20 sit below it. Another 28 have no full-pool figure and read against their own records instead. The newest reading on this page is from September 24, 2026.
Which California lake is furthest below full pool?
Pine Flat Lake is the furthest down of the California lakes on this page, at 209.8 ft below its full pool.
Where do these California lake levels come from?
Each row is the gauge the agency that runs the lake publishes — the Corps of Engineers, the Bureau of Reclamation, the state water agency or the US Geological Survey, depending on the lake. Open a lake and its own page re-reads that gauge as the page loads, wherever the agency lets a browser do it.