Van Vleck
Van Vleck is an earth dam located in Sacramento County, California, built in 1950. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Van Vleck
The primary purpose of Van Vleck 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 Van Vleck Ranch (private). It impounds the Tr Arkansas Cr.
The dam stands 26 feet tall and stretches 3,700 feet across, creates a reservoir covering 216 acres, and has a maximum storage capacity of 2,000 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 01/06/2026.
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Location
| State | California |
| County | Sacramento |
| River/Stream | Tr Arkansas Cr |
| Coordinates | 38.46880, -121.06190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 3,700 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Surface Area | 216 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Van Vleck Ranch |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/06/2026 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00602 |
| Federal ID | CA00602 |
| More Info | State Dam Safety Program |