Calaveras Reservoir near Sunol water level

Name: Calaveras Reservoir near Sunol water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Calaveras Reservoir, California, United States

Directions

Latest reading

Surface elevation

725.55ft Down 0.10 ft over the last 24 hours

Measured Oct 20, 2026, 01:45 AM PDT (1 hour ago)

History

7 days

Surface elevation

What this means

The latest lake level at Calaveras Reservoir near Sunol is 725.55 ft. There is no published reference for this reservoir yet, so we can't say whether that is high or low for the season.

The level is falling, down 0.10 ft over the past 24 hours. Over the past 30 days it has moved between 725.55 ft and 725.93 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Swimming and boating at Calaveras Reservoir near Sunol

Without a published normal range, the trend is the most useful guide, and right now the water is falling.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

No rain in the last 3 days.

18 Sun 82° 56° – Wind 10 mph

19 Mon 64° 46° – Wind 10 mph

20 Tue 68° 47° – Wind 5 mph

21 Wed 65° 53° 0.32 in, 53% Wind 6 mph

22 Thu 64° 53° 0.04 in, 29% Wind 7 mph

23 Fri 71° 53° – Wind 5 mph

24 Sat 76° 54° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:21 AM Sunset 06:25 PM Daylight 11 hr, 4 min First quarter 67%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Alameda Creek below Calaveras Creek near SunolRiver gauge, Alameda Creek	7.5 cfs	High	±0	0.9 mi
Calaveras Creek near SunolRiver gauge, Calaveras Creek	7.6 cfs	Normal	+0.2 cfs	1.0 mi
Alameda Creek below Diversion Dam near SunolRiver gauge, Alameda Creek	0.1 cfs	Normal	±0	2.8 mi
Alameda Creek above Diversion Dam near SunolRiver gauge, Alameda Creek	1.61 ft	Below flood stage	+0.01 ft	3.1 mi
Alameda Creek below Welch Creek near SunolRiver gauge, Alameda Creek	7.1 cfs	High	±0	3.8 mi
Arroyo Hondo near San JoseRiver gauge, Arroyo Hondo	1.3 cfs	Normal	+0.2 cfs	3.8 mi
San Antonio Creek near SunolRiver gauge, San Antonio Creek	0.0 cfs	Normal	±0	6 mi
Coyote Creek above Highway 237 A MilpitasRiver gauge, Coyote Creek	5.13 ft	Below flood stage	+0.01 ft	7 mi

Questions and answers

Is Calaveras Reservoir near Sunol really 725.55 ft deep?

No. 725.55 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Calaveras Reservoir near Sunol today?

On Oct 20, 2026, 01:45 AM PDT, the surface elevation was 725.55 ft. Down 0.10 ft over the last 24 hours.

Is Calaveras Reservoir near Sunol rising or falling?

Down 0.10 ft over the last 24 hours.

Is the level of Calaveras Reservoir near Sunol normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:11173490 (Agency page)
Coordinates: 37.49031, -121.82878 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	725.55 ft	2026-10-20 08:45	Provisional

Download

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How to cite

U.S. Geological Survey: Calaveras Reservoir near Sunol (usgs:11173490). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/calaveras-reservoir-near-sunol

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer