East Fork Above Lavon Ws Scs Site 18 Dam

East Fork Above Lavon Ws Scs Site 18 Dam is an earth dam located in Grayson County, Texas, built in 1964. It carries a High hazard potential classification.

About East Fork Above Lavon Ws Scs Site 18 Dam

The primary purpose of East Fork Above Lavon Ws Scs Site 18 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Grayson County;upper Elm Red Swcd (local government). It impounds the Tr-east Fork Trinity River near Anna.

The dam stands 36 feet tall and stretches 1,814 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 1,091 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1964, the structure is well into its service life at over 50 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/27/2018. That was 7 years ago, which is on the longer end for a high-hazard structure.

At 36 feet, this dam is taller than 83% 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 HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyGrayson
Nearest CityAnna
River/StreamTr-east Fork Trinity River
Coordinates33.50180, -96.68317

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length1,814 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage1,091 acre-ft
Max Storage1,091 acre-ft
Normal Storage200 acre-ft
Surface Area32 acres
Drainage Area2 sq mi
Max Discharge3,594 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerGRAYSON COUNTY;UPPER ELM RED SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection06/27/2018
Emergency Action PlanYes

Identifiers

NID IDTX02117
Federal IDTX02117
More InfoState Dam Safety Program

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