New Town #2 Reservoir Report

Last Updated: December 13, 2025

New Town #2 is a privately owned dam located in Greenlee, Arizona, along the Morenci Gulch river.


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Summary

Constructed in 1945, this dam serves as a crucial water supply source in the region, with a storage capacity of 44 acre-feet. With a height of 45 feet and a hydraulic height of 61.5 feet, this buttress-type dam plays a significant role in water management and conservation efforts in the area.

Managed by the Arizona Department of Water Resources, New Town #2 is regulated and inspected regularly to ensure its structural integrity and safety. With a hazard potential rated as "Significant" and a risk assessment of "High (2)", the dam is closely monitored to mitigate potential risks and ensure the safety of surrounding communities. The dam does not have a spillway, highlighting the importance of proper maintenance and oversight to prevent any potential flooding incidents.

Although not rated for its condition assessment, New Town #2 remains a critical infrastructure for water resource management in the region. With its location along U.S. Highway 191 and in close proximity to the city of Morenci, this dam serves as a vital component of the area's water supply infrastructure. As climate change continues to impact water resources, the proper regulation and maintenance of dams like New Town #2 are essential in safeguarding water availability for current and future generations.

Year Completed

1945

Dam Length

290

Dam Height

45

River Or Stream

MORENCI GULCH

Primary Dam Type

Other

Surface Area

2

Hydraulic Height

61.5

Nid Storage

44

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

62
       
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.