Three Lakes is a rockfill dam located in Plumas County, California, built in 1928. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 584 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 rockfill embankment section and the water level is illustrative.
About Three Lakes
The primary purpose of Three Lakes 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 Pacific Gas and Electric Company (private). It impounds the Feather River near Rogers Camp.
The dam stands 33 feet tall and stretches 584 feet across, creates a reservoir covering 44 acres, has a maximum storage capacity of 606 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1928, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/08/2023.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | California |
| County | Plumas |
| Nearest City | Rogers Camp |
| River/Stream | Feather River |
| Coordinates | 39.96810, -121.22340 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 33 ft |
| Dam Height | 30 ft |
| Dam Length | 584 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 606 acre-ft |
| Max Storage | 606 acre-ft |
| Normal Storage | 513 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Pacific Gas and Electric Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/08/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00334 |
| Federal ID | CA00334 |
| More Info | State Dam Safety Program |