Danhauser
Danhauser is an earth dam located in Modoc County, California, built in 1890. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Danhauser
The primary purpose of Danhauser 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 Wilson Ranches (private). It impounds the Tr Sfk Pit River.
The dam stands 17 feet tall and stretches 3,200 feet across, creates a reservoir covering 208 acres, has a maximum storage capacity of 1,258 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1890, 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 06/19/2025.
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Location
| State | California |
| County | Modoc |
| River/Stream | Tr Sfk Pit River |
| Coordinates | 41.41190, -120.48350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 3,200 ft |
| Year Completed | 1890 (136 years old) |
Storage & Hydraulics
| NID Storage | 1,258 acre-ft |
| Max Storage | 1,258 acre-ft |
| Surface Area | 208 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Wilson Ranches |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/19/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00487 |
| Federal ID | CA00487 |
| More Info | State Dam Safety Program |