Dunwoody Lake Dam

Dunwoody Lake Dam is an earth dam located in Montgomery County, Texas, built in 1964. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Dunwoody Lake Dam

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

The dam stands 34 feet tall and stretches 1,200 feet across, creates a reservoir covering 73 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/19/2022.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyMontgomery
River/StreamTr-little Caney Creek
Coordinates30.48519, -95.47468

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length1,200 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage1,000 acre-ft
Max Storage1,000 acre-ft
Normal Storage780 acre-ft
Surface Area73 acres
Drainage Area1 sq mi
Max Discharge2,783 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerDAVID DUNWOODY
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection05/19/2022
Emergency Action PlanYes

Identifiers

NID IDTX00133
Federal IDTX00133
More InfoState Dam Safety Program

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