Unicorn Lake Dam

Unicorn Lake Dam is an earth dam located in Denton County, Texas, built in 1917. It carries a High hazard potential classification and has a fair condition assessment.

About Unicorn Lake Dam

The primary purpose of Unicorn Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Michael Smith (private). It impounds the Tr-pecan Creek.

The dam stands 13 feet tall and stretches 550 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 273 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1917, the structure is over a century 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 06/01/2022.

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
CountyDenton
River/StreamTr-pecan Creek
Coordinates33.17074, -97.09642

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length550 ft
Year Completed1917 (109 years old)

Storage & Hydraulics

NID Storage273 acre-ft
Max Storage273 acre-ft
Normal Storage88 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
Max Discharge4,745 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMICHAEL SMITH
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection06/01/2022
Emergency Action PlanYes

Identifiers

NID IDTX00614
Federal IDTX00614
More InfoState Dam Safety Program

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