Lake Lucerne
Lake Lucerne is an earth dam located in San Mateo County, California, built in 1923. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Lake Lucerne
The primary purpose of Lake Lucerne 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 Lake Lucerne Mutual Water Company (private). It impounds the Ar De Los Frijoles.
The dam stands 21 feet tall and stretches 346 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 455 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1923, the structure is over a century 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 03/24/2025.
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Location
| State | California |
| County | San Mateo |
| River/Stream | Ar De Los Frijoles |
| Coordinates | 37.22430, -122.40570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 346 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 455 acre-ft |
| Max Storage | 455 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Lake Lucerne Mutual Water Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/24/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00664 |
| Federal ID | CA00664 |
| More Info | State Dam Safety Program |