Alexander Dam is a dam located in Henderson County, Texas. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 350 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 Alexander Dam
Alexander Dam is a dam in Henderson, Texas. The dam is owned by Lisa Alexander (private). It impounds the Tributary of South Twin Creek.
The dam stands 8 feet tall and stretches 350 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 23 acre-feet, and collects water from a drainage area of 0 square miles.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/21/2024.
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Location
| State | Texas |
| County | Henderson |
| River/Stream | Tributary of South Twin Creek |
| Coordinates | 32.31847, -96.08497 |
Physical Characteristics
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 350 ft |
Storage & Hydraulics
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Lisa Alexander |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/21/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX09787 |
| Federal ID | TX09787 |
| More Info | State Dam Safety Program |