Bear Valley Sh Reservoir Report

Last Updated: December 5, 2025

Bear Valley Sh is a public utility dam located in Alpine, California, along Tr Bloods Creek.


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Summary

Built in 1975, this earth dam stands at a height of 43 feet and has a storage capacity of 346 acre-feet. The primary purpose of Bear Valley Sh is flood risk reduction, with additional uses for irrigation and water supply. The dam is regulated by the California Department of Water Resources and is subject to regular inspections to ensure safety and compliance with state regulations.

Despite its satisfactory condition assessment as of September 2017, Bear Valley Sh is classified as having a significant hazard potential. Emergency action plans have been prepared for the dam, with the most recent revision in November 2020. The dam is regularly monitored for any potential risks or issues, with inspections conducted at least once a year. As a vital infrastructure for flood risk reduction in the area, Bear Valley Sh plays a crucial role in ensuring the safety and security of the surrounding community in case of emergencies related to water resource management and climate events.

Year Completed

1975

Dam Length

520

Dam Height

43

River Or Stream

Tr Bloods Creek

Primary Dam Type

Earth

Surface Area

16

Hydraulic Height

37.8

Drainage Area

0.1

Nid Storage

346

Hazard Potential

Significant

Nid Height

43
       
Seasonal Comparison

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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.