New Mart Lake Dam

New Mart Lake Dam is an earth dam located in McLennan County, Texas, built in 1925. It carries a High hazard potential classification and has a unsatisfactory condition assessment.

About New Mart Lake Dam

The primary purpose of New Mart Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of Mart (local government). It impounds the Tr-tradinghouse Creek.

The dam stands 32 feet tall and stretches 1,950 feet across, creates a reservoir covering 65 acres, and has a maximum storage capacity of 1,900 acre-feet. Completed in 1925, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 01/23/2023.

At 32 feet, this dam is taller than 76% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardUnsatisfactory ConditionEmergency Action Plan: No

Location

StateTexas
CountyMcLennan
River/StreamTr-tradinghouse Creek
Coordinates31.57339, -96.93272

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length1,950 ft
Year Completed1925 (101 years old)

Storage & Hydraulics

NID Storage1,900 acre-ft
Max Storage1,900 acre-ft
Normal Storage1,604 acre-ft
Surface Area65 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerCITY OF MART
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentUnsatisfactory
Last Inspection01/23/2023
Emergency Action PlanNo

Identifiers

NID IDTX04112
Federal IDTX04112
More InfoState Dam Safety Program

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