Holman
Holman is an earth dam located in Calaveras County, California, built in 1976. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Holman
The primary purpose of Holman 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 City Of Angels (local government). It impounds the Tr Angels Creek.
The dam stands 101 feet tall and stretches 672 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 02/13/2025.
At 101 feet, this dam is taller than 98% of all dams in the United States.
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Location
| State | California |
| County | Calaveras |
| River/Stream | Tr Angels Creek |
| Coordinates | 38.05060, -120.53660 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 101 ft |
| Dam Height | 101 ft |
| Dam Length | 672 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Angels |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/13/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01128 |
| Federal ID | CA01128 |
| More Info | State Dam Safety Program |