Henninger Lake Dam is an earth dam located in Callahan County, Texas, built in 1920. It carries a Significant hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 680 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Henninger Lake Dam
The primary purpose of Henninger Lake 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 Warren Harkins (private). It impounds the Tr-rainy Creek.
The dam stands 16 feet tall and stretches 680 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 109 acre-feet. Completed in 1920, the structure is over a century 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. The most recent inspection on record was 02/19/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Callahan |
| River/Stream | Tr-rainy Creek |
| Coordinates | 32.42321, -99.62803 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 680 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Warren Harkins |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 02/19/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05331 |
| Federal ID | TX05331 |
| More Info | State Dam Safety Program |