Mcbrien
Mcbrien is a buttress dam located in Modoc County, California, built in 1880. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mcbrien
Mcbrien is a dam in Modoc, California. The dam is owned by Hagge Ranch, Inc. (private). It impounds the Pit River.
The dam stands 12 feet tall and stretches 74 feet across, creates a reservoir covering 700 acres, and has a maximum storage capacity of 1,000 acre-feet. Completed in 1880, 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 05/22/2025.
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Location
| State | California |
| County | Modoc |
| River/Stream | Pit River |
| Coordinates | 41.45760, -120.69800 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 74 ft |
| Year Completed | 1880 (146 years old) |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Surface Area | 700 acres |
Ownership & Safety
| Purpose | Other |
| Owner | Hagge Ranch, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/22/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00459 |
| Federal ID | CA00459 |
| More Info | State Dam Safety Program |