Tsaile

Tsaile is an earth dam located in Apache County, Arizona, built in 1964. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Tsaile

The primary purpose of Tsaile is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bia (federal). It impounds the Tsaile Creek near Chinle.

The dam stands 65 feet tall and stretches 2,000 feet across, creates a reservoir covering 265 acres, has a maximum storage capacity of 6,504 acre-feet, and collects water from a drainage area of 66 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/18/2024.

At 65 feet, this dam is taller than 96% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Arizona dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateArizona
CountyApache
Nearest CityChinle
River/StreamTsaile Creek
Coordinates36.27440, -109.20400

Physical Characteristics

Dam TypeEarth
NID Height65 ft
Dam Height48 ft
Dam Length2,000 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage6,504 acre-ft
Max Storage6,504 acre-ft
Normal Storage3,906 acre-ft
Surface Area265 acres
Drainage Area66 sq mi
Max Discharge16,430 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBIA
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection06/18/2024
Emergency Action PlanYes

Identifiers

NID IDAZ10303
Federal IDAZ10303
More InfoState Dam Safety Program

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