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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Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateCalifornia
CountyModoc
River/StreamPit River
Coordinates41.45760, -120.69800

Physical Characteristics

Dam TypeButtress
NID Height12 ft
Dam Height12 ft
Dam Length74 ft
Year Completed1880 (146 years old)

Storage & Hydraulics

NID Storage1,000 acre-ft
Max Storage1,000 acre-ft
Surface Area700 acres

Ownership & Safety

PurposeOther
OwnerHagge Ranch, Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/22/2025
Emergency Action PlanNo

Identifiers

NID IDCA00459
Federal IDCA00459
More InfoState Dam Safety Program

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