Nanaka Reservoir Report

Last Updated: December 27, 2025

Nanaka is a federal-owned recreational dam located in Santa Clara Pueblo, New Mexico.


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Summary

Built in 1960 by the Bureau of Indian Affairs, this Earth-type structure stands at a structural height of 25 feet and has a length of 360 feet. The dam has a primary purpose of recreation and provides a storage capacity of 24 acre-feet.

Managed by the Bureau of Indian Affairs, Nanaka's hazard potential is classified as high, with a last inspection date recorded in August 2012. Despite the lack of available condition assessment data, the dam serves as a key recreational resource along the Santa Clara Creek, offering opportunities for outdoor activities in the surrounding area. With its scenic location and historical significance, Nanaka continues to be a focal point for water resource and climate enthusiasts seeking to explore the diverse natural landscapes of Sandoval County, New Mexico.

Year Completed

1960

Dam Length

360

River Or Stream

SANTA CLARA CREEK

Primary Dam Type

Earth

Nid Storage

24

Structural Height

25

Hazard Potential

High

Nid Height

25
       
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.