Wood Hollow Dam

Wood Hollow Dam is an earth dam located in Travis County, Texas, built in 1979. It carries a High hazard potential classification and has a fair condition assessment.

About Wood Hollow Dam

The primary purpose of Wood Hollow Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by City Of Austin (local government). It impounds the Tr-shoal Creek.

The dam stands 33 feet tall and stretches 344 feet across, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1979, the structure is 47 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 07/21/2021.

At 33 feet, this dam is taller than 78% of dams nationwide.

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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyTravis
River/StreamTr-shoal Creek
Coordinates30.36068, -97.74977

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length344 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage68 acre-ft
Max Storage68 acre-ft
Drainage Area0 sq mi
Max Discharge3,305 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerCITY OF AUSTIN
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/21/2021
Emergency Action PlanYes

Identifiers

NID IDTX07217
Federal IDTX07217
More InfoState Dam Safety Program

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