Spring Creek Debris Reservoir Report

Last Updated: December 5, 2025

Spring Creek Debris, located in Shasta, California, is a federal-owned structure managed by the Bureau of Reclamation.


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Summary

Built in 1964, this Earth-type dam stands at a height of 196 feet and serves the primary purpose of debris control along the Spring Creek. With a storage capacity of 7,286 acre-feet and a surface area of 87 acres, this dam plays a crucial role in managing water resources in the region.

Despite its high hazard potential, the condition assessment of Spring Creek Debris is currently listed as "Not Available." The dam has a spillway width of 25 feet and a maximum discharge capacity of 5,260 cubic feet per second. The last inspection was conducted in March 2020, with an inspection frequency of once per year. While the risk assessment is categorized as moderate, with a DSAC (Dam Safety Action Classification) designation of 3, there are no specific risk management measures or inundation maps prepared for this structure.

Overall, Spring Creek Debris is a key component of the water management infrastructure in the area, providing vital debris control and storage capacity along the Spring Creek. As a federally-owned structure, it is overseen by the Bureau of Reclamation and plays a critical role in ensuring the safety and stability of water resources in Shasta County, California. Continued monitoring and maintenance of this dam will be essential to effectively manage any potential risks associated with its operation.

Year Completed

1964

Dam Length

1110

Dam Height

196

River Or Stream

SPRING CREEK

Primary Dam Type

Earth

Surface Area

87

Hydraulic Height

184

Drainage Area

16

Nid Storage

7286

Structural Height

196

Hazard Potential

High

Foundations

Rock

Nid Height

196
       
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.