El Capitan Reservoir lake and shoreline

El Capitan Reservoir Water Level

California

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Share El Capitan Reservoir's current conditions.

El Capitan Reservoir

El Capitan Reservoir is currently at a water-surface elevation of 638.1 feet.

638.15 ft · Updated 1 day ago · California Data Exchange Center

Current level

638.15ft

Status unavailable

Since last reading

Down 0.02 ft

Previous readingOct 24638.17 ft

7-day change

Down 0.02 ft

7-day trend: Stable

8 daily readings in the last 7 days

30-day change

Up 0.05 ft

30 daily readings in the last 30 days

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Water Level History

Current
638.15 ft
24h
-0.02 ft
7d
-0.02 ft
30d
+0.05 ft

Elevation (ft) Water-surface elevation (ft)

Reference line is designed full pool.

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Lake Level Context

Current lake level

El Capitan Reservoir is currently 638.15 ft. The lake has fallen 0.02 ft over the past 7 days and risen 0.05 ft over the past 30 days.

El Capitan Reservoir Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

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.

Surrounding county drought

Abnormally Dry

Dominant category Abnormally Dry (D0); not counted as official drought.

Severity

NoneExtreme
Trend
Stable

Surrounding county drought

San Diego County, CA

Abnormally Dry

Abnormally Dry. The largest share of San Diego County, CA is Abnormally Dry (D0), which the U.S. Drought Monitor does not count as official drought. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Stable compared with last week. Official drought (D1–D4) no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought (D1–D4)

No

Abnormally Dry (D0) is present in the surrounding county, but D0 is not counted as official drought (D1–D4).

U.S. Drought Monitor · map date Oct 20, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for San Diego County, CA

Daily level summary

DateLevelChange
Oct 25, 2026638.15-0.02
Oct 24, 2026638.170
Oct 23, 2026638.17-0.01
Oct 22, 2026638.18+0.04
Oct 21, 2026638.14-0.01
Oct 20, 2026638.15-0.01
Oct 19, 2026638.16-0.01

Common questions about El Capitan Reservoir’s water level

  • The current water level at El Capitan Reservoir is 638.15 ft (updated 1 day ago). You can track the El Capitan Reservoir lake level on the interactive chart and daily history above.

  • Over the past seven days the El Capitan Reservoir lake level has held relatively steady — the current 7-day trend is Stable. The history chart above shows the full trend.

  • 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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