Vail

Vail is an arch dam located in Riverside County, California, built in 1949. It carries a High hazard potential classification and has a fair condition assessment.

About Vail

The primary purpose of Vail is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Rancho California Water District (public utility). It impounds the Temecula Creek near Temecula.

The dam stands 152 feet tall and stretches 788 feet across, creates a reservoir covering 1,078 acres, has a maximum storage capacity of 51,000 acre-feet, and collects water from a drainage area of 318 square miles. Completed in 1949, the structure is well-established, with more than 75 years of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 02/04/2025.

At 152 feet, this dam is taller than 99% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The California dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyRiverside
Nearest CityTemecula
River/StreamTemecula Creek
Coordinates33.49680, -116.97760

Physical Characteristics

Dam TypeArch
NID Height152 ft
Dam Height152 ft
Dam Length788 ft
Year Completed1949 (77 years old)

Storage & Hydraulics

NID Storage51,000 acre-ft
Max Storage51,000 acre-ft
Surface Area1,078 acres
Drainage Area318 sq mi

Ownership & Safety

PurposeWater Supply
OwnerRancho California Water District
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection02/04/2025
Emergency Action PlanYes

Identifiers

NID IDCA00770
Federal IDCA00770
More InfoState Dam Safety Program

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