Riggs Flat

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateArizona
CountyGraham
Nearest CityWILLCOX
River/StreamGRANT CREEK - TR
Coordinates32.70806, -109.96611

Physical Characteristics

Dam TypeEarth
NID Height45 ft
Dam Height45 ft
Dam Length390 ft
Year Completed1951 (75 years old)

Storage & Hydraulics

NID Storage155 acre-ft
Max Storage155 acre-ft
Normal Storage123 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Max Discharge400 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerARIZONA GAME & FISH DEPARTMENT
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection12/03/2013
Emergency Action PlanNot Required

Identifiers

NID IDAZ00090
Federal IDAZ00090
More InfoState Dam Safety Program

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