Christensen No. 1 is an earth dam located in Calaveras County, California, built in 1951. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 750 ft long, taller than 76% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Christensen No. 1
Christensen No. 1 is a dam in Calaveras, California. The dam is owned by Rancho Campana, LLC (private). It impounds the Steele Creek.
The dam stands 33 feet tall and stretches 750 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1951, the structure is well into its service life at over 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 05/28/2025.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | California |
| County | Calaveras |
| River/Stream | Steele Creek |
| Coordinates | 38.12540, -120.70210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 750 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Rancho Campana, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/28/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00625 |
| Federal ID | CA00625 |
| More Info | State Dam Safety Program |