Castaic Lake lake and shoreline

Castaic Lake Water Level

California

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Castaic Lake is currently 7.6 feet below full pool, with a water-surface elevation of 1507.4 feet.

1507.38 ft · Updated 1 day ago · California Data Exchange Center

Current level

1,507.38ft

−7.62 ft vs full pool

Low

Vs full pool

Since last reading

Up 1.03 ft

Previous readingSep 81,506.35 ft

7-day change

Up 1.15 ft

7-day trend: Rising

4 daily readings in the last 7 days

30-day change

Up 1.15 ft

4 daily readings in the last 30 days

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Water Level History

Elevation (ft) MSL

1507 ft1510 ft1514 ftFULL POOL 1515.00 ftSep 7Sep 10

Level status

7.62 ft below full pool

Current level
1,507.38 ft
Full pool
1,515 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
California Data Exchange Center

Reference levels

  • Full pool1,515 ft

Watershed drought

No Drought

None reported for the surrounding watershed.

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Los Angeles 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

No official drought is reported for the surrounding watershed.

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

Daily level summary

  • Sep 9, 2026

    1,507.38 ft

    +1.03 ft

  • Sep 8, 2026

    1,506.35 ft

    +0.55 ft

  • Sep 7, 2026

    1,505.8 ft

    -0.43 ft

  • Sep 6, 2026

    1,506.23 ft

    —

Common questions about Castaic Lake’s water level

  • The current water level at Castaic Lake is 1,507.38 ft (updated 1 day ago). You can track the Castaic Lake lake level on the interactive chart and daily history above.

  • Full pool for Castaic Lake is 1,515 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Castaic Lake lake level is rising — rising about 1.15 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Castaic Lake is currently 7.62 ft below full pool.

Lake level glossary

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

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