Antelope Reservoir Dam (Blm) Reservoir Report

Last Updated: December 5, 2025

Antelope Reservoir Dam (Blm) is a federal-owned structure located in Shasta, California, managed by the Bureau of Land Management.


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Summary

The dam serves the primary purpose of irrigation and has a height of 26 feet, with a storage capacity of 240 acre-feet. The reservoir covers a surface area of 12 acres and has a drainage area of 4 square miles. Although the dam has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment, it has not been inspected since July 2011.

The Antelope Reservoir Dam plays a crucial role in providing water for irrigation purposes in the region, but its lack of recent inspections and condition assessments raise some concerns. The dam is designed and managed by the Bureau of Land Management, and it falls under the jurisdiction of the San Francisco District. Despite its relatively small size and low hazard potential, ensuring regular inspections and maintenance are essential to guarantee the safety and functionality of the dam for the community it serves.

As a key water resource infrastructure in the area, the Antelope Reservoir Dam (Blm) requires attention and potential updates to meet modern safety standards. With a focus on irrigation and water storage, this federal-owned dam is an important asset in managing water resources in Shasta, California. Continuous monitoring and maintenance will be crucial to ensure the reliability and safety of the dam for both its intended purpose and the surrounding environment.

Dam Length

1225

Dam Height

26

River Or Stream

NO NAME

Surface Area

12

Hydraulic Height

26

Drainage Area

4

Nid Storage

240

Hazard Potential

Low

Nid Height

26
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.