Alexander Dam

Alexander Dam is a dam located in Henderson County, Texas. It carries a Significant hazard potential classification and has a fair condition assessment.

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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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyHenderson
River/StreamTributary Of South Twin Creek
Coordinates32.31847, -96.08497

Physical Characteristics

NID Height8 ft
Dam Height8 ft
Dam Length350 ft

Storage & Hydraulics

NID Storage23 acre-ft
Max Storage23 acre-ft
Normal Storage7 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge1 cfs
Spillway TypeUncontrolled

Ownership & Safety

OwnerLISA ALEXANDER
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection05/21/2024
Emergency Action PlanNot Required

Identifiers

NID IDTX09787
Federal IDTX09787
More InfoState Dam Safety Program

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