Castaic Lake water level

1,500.5 feet, 90% of capacity, down 3.6 ft this week. Updated Oct 19, 2026.

Photo: brent · CC BY 2.0 · Wikimedia Commons

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Rent a boat on Castaic LakePontoons, ski and fishing boats from local ownersBoatsetter Stay near Castaic LakeLake cabins, vacation homes and hotelsExpedia · Vrbo Fishing charterHalf and full-day trips, gear includedViator Private campsiteWhen the public sites are fullHipcamp

Heads up: Off-season trips are quieter. Many owners still rent on calm, sunny weekends.

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Past 12 months

Castaic Lake level chart

Elevation1,500.5ft
Full90%
Past week-3.6ft
vs. a year ago+7.3ft
1,4721,4851,4991,512Oct 2025Apr 2026Oct 2026

As of Oct 19, 2026 · California Data Exchange Center · updated daily

DateElevation (ft)Storage (acre-feet)
Oct 19, 20261,500.51292,258
Oct 18, 20261,501.49294,325
Oct 17, 20261,501.96295,320
Oct 16, 20261,502.67296,826
Oct 15, 20261,503.46298,506
Oct 14, 20261,504.18300,043
Oct 13, 20261,504.47300,664
Oct 12, 20261,504.13299,936
Oct 11, 20261,504.93301,649
Oct 10, 20261,505.63303,152
Oct 9, 20261,505.58303,045
Oct 8, 20261,505.15302,121
Oct 7, 20261,504.45300,621
Oct 6, 20261,504.24300,172

Good to know

Questions about Castaic Lake

Can you rent a boat on Castaic Lake?

Yes. Boat rentals for Castaic Lake can be searched on Boatsetter, where local owners list pontoons, ski boats and fishing boats, some with a captain. Availability changes by season, so book early for summer weekends. Public launches include Main Launch Ramp, Boat Launch Ramp, West Ramp Road.

Where can I launch a boat on Castaic Lake?

Boat ramps and marinas listed for this water: Main Launch Ramp, Boat Launch Ramp, West Ramp Road. Fees and hours change by season, so check with the managing agency before you tow.

What is the water level of Castaic Lake today?

On 2026-10-19, Castaic Lake was at 1,500.51 feet, 90% of capacity. That's down 3.62 feet from a week earlier. Source: California Data Exchange Center, updated daily.