East Fork Above Lavon Ws Scs Site 21 Dam

East Fork Above Lavon Ws Scs Site 21 Dam is an earth dam located in Grayson County, Texas, built in 1964. It carries a Significant hazard potential classification and has a poor condition assessment.

About East Fork Above Lavon Ws Scs Site 21 Dam

The primary purpose of East Fork Above Lavon Ws Scs Site 21 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.

The dam stands 38 feet tall and stretches 655 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 288 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/25/2019.

At 38 feet, this dam is taller than 85% of dams nationwide.

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Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateTexas
CountyGrayson
River/StreamTr-east Fork Trinity River
Coordinates33.46310, -96.69520

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height38 ft
Dam Length655 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage288 acre-ft
Max Storage288 acre-ft
Normal Storage54 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge841 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerGRAYSON COUNTY;UPPER ELM RED SWCD
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection09/25/2019
Emergency Action PlanNo

Identifiers

NID IDTX02112
Federal IDTX02112
More InfoState Dam Safety Program

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