Cramer
Cramer is an earth dam located in Lassen County, California, built in 1910. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cramer
The primary purpose of Cramer 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 Wood Ranch, Leland Wood Jr. (private). It impounds the Tr Horse Lake.
The dam stands 13 feet tall and stretches 800 feet across, creates a reservoir covering 500 acres, and has a maximum storage capacity of 3,000 acre-feet. Completed in 1910, 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 05/27/2025.
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Location
| State | California |
| County | Lassen |
| River/Stream | Tr Horse Lake |
| Coordinates | 40.64220, -120.51490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 800 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Surface Area | 500 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Wood Ranch, Leland Wood Jr. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/27/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00940 |
| Federal ID | CA00940 |
| More Info | State Dam Safety Program |