Silt Pond Reservoir Report

Last Updated: December 5, 2025

Silt Pond in Littlerock, California, is a privately owned earth dam with a height of 80 feet and a length of 300 feet, providing a storage capacity of 150 acre-feet.


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Summary

While the exact year of completion is unknown, its primary purpose is listed as "Other" with a high hazard potential due to its condition assessment being deemed as "Not Available." Located in Los Angeles County, Silt Pond falls under the jurisdiction of the Mine Safety and Health Administration for regulation and inspection.

Despite lacking specific details on its current condition, Silt Pond serves as a significant water resource in the region, contributing to its flood control and water supply management. The dam's strategic location in the vicinity of the Los Angeles District underscores its importance in the local infrastructure. With a high hazard potential, ensuring the safety and stability of Silt Pond remains crucial for both environmental protection and public safety.

For water resource and climate enthusiasts, monitoring and maintaining the integrity of Silt Pond is essential for sustainable water management practices. With its sizable storage capacity and location in a densely populated area, the dam plays a vital role in mitigating potential flooding and ensuring water availability. As efforts continue to assess and address any potential risks associated with Silt Pond, it remains a focal point for those concerned with the intersection of water resources and climate resilience in California's dynamic landscape.

Dam Length

300

Dam Height

80

Primary Dam Type

Earth

Nid Storage

150

Hazard Potential

High

Nid Height

80
       
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.