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.
Location
| State | California |
| County | Riverside |
| Nearest City | Temecula |
| River/Stream | Temecula Creek |
| Coordinates | 33.49680, -116.97760 |
Physical Characteristics
| Dam Type | Arch |
| NID Height | 152 ft |
| Dam Height | 152 ft |
| Dam Length | 788 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 51,000 acre-ft |
| Max Storage | 51,000 acre-ft |
| Surface Area | 1,078 acres |
| Drainage Area | 318 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Rancho California Water District |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 02/04/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00770 |
| Federal ID | CA00770 |
| More Info | State Dam Safety Program |