Rubicon Auxiliary
Rubicon Auxiliary is a concrete dam located in El Dorado County, California, built in 1963. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Rubicon Auxiliary
The primary purpose of Rubicon Auxiliary is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Sacramento Municipal Utility District (public utility). It impounds the Feather River near Folsom.
The dam stands 13 feet tall and stretches 522 feet across, creates a reservoir covering 108 acres, and has a maximum storage capacity of 1,439 acre-feet. Completed in 1963, 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 08/13/2019.
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Location
| State | California |
| County | El Dorado |
| Nearest City | Folsom |
| River/Stream | Feather River |
| Coordinates | 38.98880, -120.21970 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 522 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 1,439 acre-ft |
| Max Storage | 1,439 acre-ft |
| Normal Storage | 1,439 acre-ft |
| Surface Area | 108 acres |
| Max Discharge | 13,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Sacramento Municipal Utility District |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/13/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CA00822 |
| Federal ID | CA00822S001 |
| More Info | State Dam Safety Program |