Rock Creek
Rock Creek is an earth dam located in El Dorado County, California, built in 1932. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Rock Creek
Rock Creek is a dam in El Dorado, California. The dam is owned by Jeff And Sharon Duncan (private). It impounds the Rock Creek.
The dam stands 35 feet tall and stretches 270 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1932, the structure is well-established, with more than 75 years of service.
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 04/30/2025.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | California |
| County | El Dorado |
| River/Stream | Rock Creek |
| Coordinates | 38.93820, -120.72930 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 270 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Jeff and Sharon Duncan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/30/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00609 |
| Federal ID | CA00609 |
| More Info | State Dam Safety Program |