Lady Franklin Lake
Lady Franklin Lake is a gravity dam located in Tulare County, California, built in 1905. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Lady Franklin Lake
The primary purpose of Lady Franklin Lake 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 Southern California Edison (private). It impounds the Efk Kaweah R.
The dam stands 21 feet tall and stretches 400 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 467 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1905, 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 09/10/2025.
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Location
| State | California |
| County | Tulare |
| River/Stream | Efk Kaweah R |
| Coordinates | 36.42140, -118.56130 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 400 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 467 acre-ft |
| Max Storage | 467 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Southern California Edison |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/10/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00435 |
| Federal ID | CA00435 |
| More Info | State Dam Safety Program |