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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Location
| State | Texas |
| County | Montgomery |
| River/Stream | Tr-little Caney Creek |
| Coordinates | 30.48519, -95.47468 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Normal Storage | 780 acre-ft |
| Surface Area | 73 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,783 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | DAVID DUNWOODY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/19/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX00133 |
| Federal ID | TX00133 |
| More Info | State Dam Safety Program |