Rancho Del Ciervo
Rancho Del Ciervo is an earth dam located in Santa Barbara County, California, built in 1938. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Rancho Del Ciervo
The primary purpose of Rancho Del Ciervo 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 Santa Barbara Mountain Water Co., Llc (private). It impounds the Tr San Jose Cr near Goleta.
The dam stands 65 feet tall and stretches 758 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 165 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1938, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/09/2025.
At 65 feet, this dam is taller than 96% 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 | Santa Barbara |
| Nearest City | Goleta |
| River/Stream | Tr San Jose Cr |
| Coordinates | 34.47480, -119.82180 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 65 ft |
| Dam Height | 65 ft |
| Dam Length | 758 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Santa Barbara Mountain Water Co., LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/09/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00719 |
| Federal ID | CA00719 |
| More Info | State Dam Safety Program |