Ann Road Detention Basin Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateNevada
CountyClark
Nearest CityLAS VEGAS
River/StreamLAS VEGAS WASH-TR
Coordinates36.26940, -115.33860

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height20 ft
Dam Length1,860 ft
Year Completed2007 (19 years old)

Storage & Hydraulics

NID Storage364 acre-ft
Max Storage364 acre-ft
Surface Area20 acres
Drainage Area3 sq mi
Max Discharge25,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCITY OF LAS VEGAS
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection04/10/2022
Emergency Action PlanYes

Identifiers

NID IDNV10652
Federal IDNV10652
More InfoState Dam Safety Program

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