El Capitan Reservoir lake and shoreline

El Capitan Reservoir Water Level

California

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El Capitan Reservoir is currently at a water-surface elevation of 638.3 feet.

638.34 ft · Updated 22 hours ago · California Data Exchange Center

Current level

638.34ft

Status unavailable

A verified operating range is not available for this lake.

Since last reading

Down 0.02 ft

Previous readingSep 9638.36 ft

7-day change

Down 0.17 ft

7-day trend: Falling

5 daily readings in the last 7 days

30-day change

Down 0.17 ft

5 daily readings in the last 30 days

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Water Level History

Elevation (ft) Water-surface elevation (ft)

638 ft638 ft638 ftSep 7Sep 11

Level status

Summary updating

This comparison needs the current level and full pool. We use the live feed when present, otherwise the latest daily summary when it includes a pool comparison.

DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Water-surface elevation (ft)
Elevation reference
Not available
Source
California Data Exchange Center

Reference levels

No published reference elevations for this lake.

Watershed drought

No Drought

Abnormally dry (D0), not official drought.

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

San Diego County, CA

No Drought

No Drought. No official drought conditions.. Trend: Stable compared with last week. Official drought no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

No

Current conditions are classified as Abnormally Dry (D0), which is not considered official drought.

U.S. Drought Monitor · map date Sep 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for San Diego County, CA

Daily level summary

  • Sep 10, 2026

    638.34 ft

    -0.02 ft

  • Sep 9, 2026

    638.36 ft

    -0.01 ft

  • Sep 8, 2026

    638.37 ft

    -0.11 ft

  • Sep 7, 2026

    638.48 ft

    -0.03 ft

  • Sep 6, 2026

    638.51 ft

    —

Common questions about El Capitan Reservoir’s water level

  • The current water level at El Capitan Reservoir is 638.34 ft (updated 22 hours ago). You can track the El Capitan Reservoir lake level on the interactive chart and daily history above.

  • The current 7-day trend for the El Capitan Reservoir lake level is falling — falling about 0.17 ft over the past week. See the history chart above for the full picture.

  • Readings refresh when California Data Exchange Center publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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