East Fork Above Lavon Ws Scs Site 30 Dam

East Fork Above Lavon Ws Scs Site 30 Dam is an earth dam located in Collin County, Texas, built in 1965. It carries a High hazard potential classification.

About East Fork Above Lavon Ws Scs Site 30 Dam

The primary purpose of East Fork Above Lavon Ws Scs Site 30 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 Collin County;collin County Swcd (local government). It impounds the Tr-east Fork Trinity River.

The dam stands 35 feet tall and stretches 1,690 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 458 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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 03/20/2024.

At 35 feet, this dam is taller than 82% 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
CountyCollin
River/StreamTr-east Fork Trinity River
Coordinates33.38816, -96.64588

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length1,690 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage458 acre-ft
Max Storage458 acre-ft
Normal Storage103 acre-ft
Surface Area18 acres
Drainage Area0 sq mi
Max Discharge2 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCOLLIN COUNTY;COLLIN COUNTY SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection03/20/2024
Emergency Action PlanYes

Identifiers

NID IDTX01168
Federal IDTX01168
More InfoState Dam Safety Program

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