Encino Det Dam 049 Reservoir Report

Last Updated: December 20, 2025

Encino Det Dam 049, located in Sandoval, New Mexico, is a gravity dam primarily designed for debris control on the Arroyo Jarido.


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Summary

Built in 1964 by the Bureau of Land Management, this structure stands at a height of 14 feet with a hydraulic height of 9 feet and a length of 1996 feet. The dam has a storage capacity of 57.8 acre-feet and a surface area of 16.5 acres, making it an essential asset for managing water resources in the region.

Despite being classified as low hazard potential, the dam's risk assessment is moderate (3), indicating the need for ongoing monitoring and maintenance. The last inspection in September 2017 revealed that the dam's condition was not rated, underscoring the importance of regular assessments to ensure its structural integrity. With a history of federal ownership and funding, the Bureau of Land Management continues to oversee the operation, design, and regulatory aspects of Encino Det Dam 049, highlighting the critical role of federal agencies in managing water infrastructure for climate resilience.

As a key component of the water management infrastructure in New Mexico, Encino Det Dam 049 serves as a vital resource for mitigating debris flow and protecting the surrounding areas from potential hazards. With its controlled spillway and low hazard potential, the dam plays a crucial role in maintaining water quality and quantity in the region. However, ongoing monitoring and risk management measures are essential to ensure the long-term sustainability and safety of this important water resource infrastructure.

Year Completed

1964

Dam Length

1996

River Or Stream

ARROYO JARIDO

Primary Dam Type

Gravity

Surface Area

16.5

Hydraulic Height

9

Nid Storage

57.8

Structural Height

14

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

14
       
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.