Lake Tomahawk Dam

Lake Tomahawk Dam is an earth dam located in Polk County, Texas, built in 1957. It carries a Significant hazard potential classification.

About Lake Tomahawk Dam

The primary purpose of Lake Tomahawk Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by San Jacinto Baptist Association (private). It impounds the Tr-woods Creek.

The dam stands 26 feet tall and stretches 820 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 169 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, 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. The most recent inspection on record was 09/29/2009. That was over 16 years ago.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyPolk
River/StreamTr-woods Creek
Coordinates30.73769, -94.63288

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length820 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage169 acre-ft
Max Storage169 acre-ft
Normal Storage88 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge444 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerSAN JACINTO BAPTIST ASSOCIATION
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection09/29/2009
Emergency Action PlanNot Required

Identifiers

NID IDTX00046
Federal IDTX00046
More InfoState Dam Safety Program

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