What is the current water level of Isabella Dam?

As of Jul 14, 2026, 5:00 PM (UTC+00:00), the pool elevation was 2,574.95 ft (datum NGVD29). See the trend chart above for the recent direction.

Is Isabella Dam full right now?

Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.

Where does this data come from?

From USACE SPK/Lake Isabella-Pool, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.

Is this safe to use for boating or navigation?

No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

Isabella Dam water level — California

California · USACE · reading Jul 14, 2026, 5:00 PM (UTC+00:00)

Isabella Dam in California was last measured at 2,574.95 ft (datum NGVD29), as of Jul 14, 2026, 5:00 PM (UTC+00:00) (USACE CWMS Data). Over its recent trend window the level has been rising (+1.1 ft). Figures are provisional readings for reference — not for navigation or safety decisions.

Current reading Isabella Dam · California

Pool elevation: 2,574.95 ft
% of conservation pool full: Not reported
Storage: 270,944 acre-ft
Recent trend: ↑Rising

Recent trend

The last ~21 days of readings at this station, downsampled for display.

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Important — not for navigation or safety decisions

Water levels here are provisional readings for general reference only. Conditions vary and readings can be revised. Always confirm current conditions with the managing agency before making navigation, boating, or dam-safety decisions.

Source: USACE SPK/Lake Isabella-Pool, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). Official page for this lake →

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Isabella Dam, with current level and distance.
Lake	State	Level	Distance
Success Lake	CA	625.91 ft	61 km
Lake Kaweah	CA	638.38 ft	98 km
Lake Piru	CA	1,051.81 ft	134 km
Santa Ynez River	CA	1,393.98 ft	166 km
Big Dry Creek Dam	CA	400.00 ft	174 km
Mojave Dam	CA	2,998.98 ft	184 km

Frequently asked questions

What is the current water level of Isabella Dam?: As of Jul 14, 2026, 5:00 PM (UTC+00:00), the pool elevation was 2,574.95 ft (datum NGVD29). See the trend chart above for the recent direction.
Is Isabella Dam full right now?: Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?: From USACE SPK/Lake Isabella-Pool, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.
Is this safe to use for boating or navigation?: No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

More in California

See every lake tracked in California, or read the methodology behind these figures.