NACIMIENTO Reservoir Water Level
California · updated daily from the U.S. Geological Survey
754.87 ft
NACIMIENTO Reservoir is current reading available and falling (-1.65 ft in the last 7 days).
Change since yesterday: -0.20 ft
Reading as of 2026-08-15
Where NACIMIENTO Reservoir sits historically
Today's level compared with every reading in our 0.3-year record for this lake.
Since yesterday
-0.20 ft
7-day change
-1.65 ft
30-day change
-6.25 ft
1-year change
— ft
Last 30 days
Last 12 months
NACIMIENTO Reservoir records and averages
| Current level | 754.87 ft |
|---|---|
| Record high | 773.53 ft (2026-04-17) |
| Record low | 754.87 ft (2026-08-15) |
| Average of all readings | 765.51 ft |
| Data span | 0.3 years (121 readings) |
Frequently asked questions
Is NACIMIENTO Reservoir full right now?
As of 2026-08-15, NACIMIENTO Reservoir sits at 754.87 ft, which is current reading available.Over the past 30 days the level has fallen 6.25 ft.
What is the water level at NACIMIENTO Reservoir today?
The most recent reading is 754.87 ft (2026-08-15), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest NACIMIENTO Reservoir has ever been?
The highest level in our records is 773.53 ft on 2026-04-17. The lowest is 754.87 ft on 2026-08-15. Our record covers about 0.3 years of readings.
Why is NACIMIENTO Reservoir low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. NACIMIENTO Reservoir has fallen 6.25 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has NACIMIENTO Reservoir changed over the past year?
Year-over-year comparison is not available for this lake yet. The full-history chart above covers 0.3 years, with a record high of 773.53 ft and a record low of 754.87 ft.
Nearby lakes in California
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All California lake levels.