Hatfield Branch Detention Dam

Hatfield Branch Detention Dam is an earth dam located in Dallas County, Texas, built in 1986. It carries a High hazard potential classification and has a fair condition assessment.

About Hatfield Branch Detention Dam

Hatfield Branch Detention Dam is a dam in Dallas, Texas. The dam is owned by City Of Dallas (local government). It impounds the Hatfield Branch.

The dam stands 13 feet tall and stretches 677 feet across, has a maximum storage capacity of 155 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 years 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 06/21/2021.

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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyDallas
River/StreamHatfield Branch
Coordinates32.72677, -96.64480

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length677 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage155 acre-ft
Max Storage155 acre-ft
Normal Storage30 acre-ft
Drainage Area0 sq mi
Max Discharge2,900 cfs
Spillway TypeUncontrolled

Ownership & Safety

OwnerCITY OF DALLAS
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection06/21/2021
Emergency Action PlanYes

Identifiers

NID IDTX07344
Federal IDTX07344
More InfoState Dam Safety Program

Nearby Dams