Lake San Antonio Water Level Today

Lake San Antonio is at 737.8 ft as of Oct 23, according to the California Department of Water Resources.

737.8 ft

Elevation

Today, 737.8 ft

Since the day before

−0.01 ft

Last 7 days

−0.03 ft

Last 30 days

−1.71 ft

Compared with normal

not reported

Updated Oct 23 (end-of-day reading). Source: California Department of Water Resources. The California Department of Water Resources doesn’t state the vertical datum of its elevations.

Lake San Antonio level history

30 days1 year

Last 30 days

This yearSame dates last year

Elevation in feet, one reading per day. Source: California Department of Water Resources.

Common questions

Is Lake San Antonio rising or falling?

Falling: it is down 0.03 ft over the last 7 days.

Records

Highest since Oct 2025	754.3 ft	Apr 2026
Lowest since Oct 2025	737.8 ft	Oct 2026
This year's high	754.3 ft	Apr 2026
This year's low	737.8 ft	Oct 2026

Daily levels since October 2025. Source: California Department of Water Resources.

Lake facts

Operator	Monterey County Water Resources Agency
Dam	San Antonio Dam
Surface area	5,720 acres
County	Monterey

Dam facts: U.S. Army Corps of Engineers, National Inventory of Dams.

Other lakes near Lake San Antonio

All California lakes

Lake	Percent full	Level	Change, 7 days	Updated
Lake Nacimiento	not reported	741.9 ft	−0.32 ft	Oct 23
San Luis Reservoir	not reported	481.0 ft	0.00 ft	9:00 p.m. PT, Oct 24
Cachuma Lake	not reported	742.4 ft	−0.17 ft	Oct 23
Millerton Lake	43.1%	502.6 ft	−0.78 ft	Oct 23
Lake Kaweah	not reported	599.2 ft	+0.47 ft	9:00 p.m. PT, Oct 24
Lake McClure	not reported	773.9 ft	−3.01 ft	9:00 p.m. PT, Oct 24

Lake Nacimiento741.9 ft San Luis Reservoir481.0 ft Cachuma Lake742.4 ft Millerton Lake43.1% full Lake Kaweah599.2 ft Lake McClure773.9 ft

All California lakes

LakeLevelToday is not an official warning source. For flood watches and warnings near Lake San Antonio, check the National Weather Service.