Ler Sunset is an earth dam located in Alpine County, California. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 38 ft38 ft tall and 420 ft long, taller than 84% 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 embankment section and the water level is illustrative.
About Ler Sunset
The primary purpose of Ler Sunset 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 Alpine Land and Reservoir Company (private). It impounds the Pleasant Val Cr.
The dam stands 38 feet tall and stretches 420 feet across, creates a reservoir covering 41 acres, has a maximum storage capacity of 860 acre-feet, and collects water from a drainage area of 1 square miles.
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 06/26/2025.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | California |
| County | Alpine |
| River/Stream | Pleasant Val Cr |
| Coordinates | 38.61360, -119.87560 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 420 ft |
Storage & Hydraulics
| NID Storage | 860 acre-ft |
| Max Storage | 860 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Alpine Land and Reservoir Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/26/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00636 |
| Federal ID | CA00636 |
| More Info | State Dam Safety Program |