Santa Fe Seasonal Storage Reservoir Report

Last Updated: December 5, 2025

Santa Fe Seasonal Storage, located in Rancho Santa Fe, California, is a vital water resource infrastructure serving the community's water supply needs.


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Summary

Completed in 2004, this earth dam stands at 22 feet tall and has a hydraulic height of 18 feet, with a storage capacity of 132 acre-feet. The dam is primarily used for irrigation and water supply purposes, drawing water from the Tr San Dieguito River to serve the local area.

Managed by a public utility, Santa Fe Seasonal Storage is regulated by the California Department of Water Resources for safety and inspection compliance. With a high hazard potential but a satisfactory condition assessment, the dam undergoes regular inspections to ensure its structural integrity and safe operation. The last inspection in October 2020 revealed no immediate concerns, maintaining the dam's functionality and readiness to meet the water demands of the region.

As water resource and climate enthusiasts, understanding the critical role that Santa Fe Seasonal Storage plays in water supply management is essential. With its capacity to store and provide water for irrigation and domestic use, this infrastructure contributes to the sustainable development and resilience of the local community in San Diego County. As climate change impacts water availability, the effective management and maintenance of Santa Fe Seasonal Storage are crucial in ensuring a reliable water supply for current and future generations.

Year Completed

2004

Dam Length

500

Dam Height

22

River Or Stream

Tr San Dieguito Rv

Primary Dam Type

Earth

Surface Area

7

Hydraulic Height

18

Drainage Area

0.06

Nid Storage

132

Hazard Potential

High

Nid Height

22
       
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.