Boyd No. 2 Reservoir Report

Last Updated: December 5, 2025

Boyd No.


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Summary

2 is a privately owned dam located in Cottonwood, California, with a primary purpose of water supply for the region. Completed in 1973, this earth-type dam stands at a height of 53 feet and spans 790 feet in length, with a storage capacity of 670 acre-feet. Situated on Tr Cottonwood Creek in Shasta County, this dam plays a crucial role in providing water for both recreational activities and essential supplies in the area.

Maintained by the California Department of Water Resources (DWR), Boyd No. 2 is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and compliance with dam regulations. The dam has a high hazard potential but is currently assessed as satisfactory, with the last inspection conducted in November 2020. Despite its age, Boyd No. 2 continues to serve as a vital resource for water management in the region, showcasing the importance of proper maintenance and regulation for sustainable water supply in California.

With its strategic location and significant storage capacity, Boyd No. 2 stands as a critical infrastructure for water resource management in the region. As climate change continues to impact water availability and quality, dams like Boyd No. 2 play a crucial role in ensuring water security for communities and ecosystems. By adhering to rigorous inspection and maintenance protocols, this dam remains a reliable asset for water supply and recreation, highlighting the importance of sustainable water management practices in the face of evolving environmental challenges.

Year Completed

1973

Dam Length

790

Dam Height

53

River Or Stream

Tr Cottonwood Cr

Primary Dam Type

Earth

Surface Area

33

Hydraulic Height

48

Drainage Area

0.53

Nid Storage

670

Hazard Potential

High

Nid Height

53
       
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.
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