Lake Nacimiento Water Level Today

Lake Nacimiento is at 741.9 ft as of Oct 23, according to the California Department of Water Resources.

741.9 ft

Elevation

Today, 741.9 ft

Since the day before

−0.07 ft

Last 7 days

−0.32 ft

Last 30 days

−3.03 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 Nacimiento 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 Nacimiento rising or falling?

Falling: it is down 0.32 ft over the last 7 days.

Records

Highest since Feb 2023	797.0 ft	May 2023
Lowest since Feb 2023	741.9 ft	Oct 2026
This year's high	775.3 ft	Mar 2026
This year's low	741.9 ft	Oct 2026

Daily levels since February 2023. Source: California Department of Water Resources.

Lake facts

Operator	Monterey County Water Resources Agency
Dam	Nacimiento Dam
Normal storage	377,900 acre-ft
Surface area	5,400 acres
County	San Luis Obispo

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

Other California reservoirs

All California lakes

Lake	Percent full	Level	Change, 7 days	Updated
Cachuma Lake	not reported	742.4 ft	−0.17 ft	Oct 23
Folsom Lake	39.5%	400.7 ft	−2.19 ft	Oct 23
Isabella Lake	not reported	2,555.0 ft	−0.27 ft	1:00 p.m. PT, Oct 24
Lake Berryessa	not reported	428.1 ft	−0.35 ft	Oct 11
Lake Casitas	not reported	562.2 ft	+0.04 ft	Oct 23
Lake McClure	not reported	774.1 ft	−2.93 ft	1:00 p.m. PT, Oct 24

Cachuma Lake742.4 ft Folsom Lake39.5% full Isabella Lake2,555.0 ft Lake Berryessa428.1 ft Lake Casitas562.2 ft Lake McClure774.1 ft

All California lakes

All California reservoirs

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