Duval Dam West

Duval Dam West is an earth dam located in Travis County, Texas, built in 1984. It carries a High hazard potential classification.

About Duval Dam West

The primary purpose of Duval Dam West is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City Of Austin (local government). It impounds the Walnut Creek near Austin.

The dam stands 28 feet tall and stretches 1,340 feet across, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1984, the structure is 42 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/29/2024.

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 Texas 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 HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyTravis
Nearest CityAustin
River/StreamWalnut Creek
Coordinates30.41186, -97.72631

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length1,340 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage70 acre-ft
Max Storage70 acre-ft
Drainage Area1 sq mi
Max Discharge53 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCITY OF AUSTIN
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection07/29/2024
Emergency Action PlanYes

Identifiers

NID IDTX05956
Federal IDTX05956
More InfoState Dam Safety Program

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