Many Farms Reservoir Report

Last Updated: December 22, 2025

Many Farms, located in Apache County, Arizona, is a Federal-owned irrigation reservoir known as Many Farms Lake.


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Summary

Managed by the Bureau of Indian Affairs, this Earth dam was completed in 1943 and has a structural height of 45 feet and a length of 2600 feet. The reservoir has a storage capacity of 18,000 acre-feet and is primarily used for irrigation purposes, with additional recreational activities.

The dam on Sheep Dip Creek has a controlled spillway and a high hazard potential, with a risk assessment rating of very high. Despite its age, the condition assessment is not available, with the last inspection conducted in October 2012. The emergency action plan was last revised in July 2005, emphasizing the importance of preparedness and risk management measures for this critical water resource in the region.

With its historical significance and vital role in supporting agricultural activities in the area, Many Farms serves as a key water resource for the community. As water resource and climate enthusiasts, understanding the infrastructure and management of this reservoir is essential for ensuring its continued function and resilience in the face of potential hazards and climate challenges.

Year Completed

1943

Dam Length

2600

River Or Stream

SHEEP DIP CREEK

Primary Dam Type

Earth

Nid Storage

18000

Structural Height

45

Hazard Potential

High

Nid Height

45
       
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.