East Fork Above Lavon Ws Scs Site 10 Dam

East Fork Above Lavon Ws Scs Site 10 Dam is an earth dam located in Collin County, Texas, built in 1952. It carries a High hazard potential classification.

About East Fork Above Lavon Ws Scs Site 10 Dam

The primary purpose of East Fork Above Lavon Ws Scs Site 10 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-honey Creek near Mckinney.

The dam stands 43 feet tall and stretches 1,403 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 778 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1952, 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 09/12/2018. That was 7 years ago, which is on the longer end for a high-hazard structure.

At 43 feet, this dam is taller than 89% 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
Nearest CityMckinney
River/StreamTr-honey Creek
Coordinates33.31838, -96.67922

Physical Characteristics

Dam TypeEarth
NID Height43 ft
Dam Height43 ft
Dam Length1,403 ft
Year Completed1952 (74 years old)

Storage & Hydraulics

NID Storage778 acre-ft
Max Storage778 acre-ft
Normal Storage158 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Max Discharge4,971 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCOLLIN COUNTY;COLLIN COUNTY SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection09/12/2018
Emergency Action PlanYes

Identifiers

NID IDTX01153
Federal IDTX01153
More InfoState Dam Safety Program

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