Tamarac Lake
Tamarac Lake is an earth dam located in Alpine County, California, built in 1905. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Tamarac Lake
The primary purpose of Tamarac 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 Alpine Land And Reservoir Company (private). It impounds the Tr Pleasant Vy Cr.
The dam stands 21 feet tall and stretches 165 feet across, creates a reservoir covering 57 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 0 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 06/26/2025.
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Location
| State | California |
| County | Alpine |
| River/Stream | Tr Pleasant Vy Cr |
| Coordinates | 38.60820, -119.90030 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 165 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 0 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 | CA00637 |
| Federal ID | CA00637 |
| More Info | State Dam Safety Program |