Cholla Fly Ash Pond

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateArizona
CountyNavajo
Nearest CityJOSEPH CITY
River/StreamLITTLE COLORADO RIVER - TR
Coordinates34.93028, -110.26833

Physical Characteristics

Dam TypeEarth
NID Height80 ft
Dam Height80 ft
Dam Length4,565 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage18,000 acre-ft
Max Storage18,000 acre-ft
Normal Storage18,000 acre-ft
Surface Area430 acres
Drainage Area2 sq mi
Spillway TypeNone

Ownership & Safety

PurposeOther
OwnerARIZONA PUBLIC SERVICE COMPANY
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/22/2024
Emergency Action PlanYes

Identifiers

NID IDAZ00179
Federal IDAZ00179
More InfoState Dam Safety Program

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