East Fork Above Lavon Ws Scs Site 8g Dam

East Fork Above Lavon Ws Scs Site 8g Dam is an earth dam located in Collin County, Texas, built in 1955. It carries a High hazard potential classification.

About East Fork Above Lavon Ws Scs Site 8g Dam

The primary purpose of East Fork Above Lavon Ws Scs Site 8g 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 Honey Creek near Mckinney.

The dam stands 41 feet tall and stretches 1,712 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 2,140 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1955, 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 02/07/2018. That was 8 years ago, which is on the longer end for a high-hazard structure.

At 41 feet, this dam is taller than 88% 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/StreamHoney Creek
Coordinates33.38494, -96.72254

Physical Characteristics

Dam TypeEarth
NID Height41 ft
Dam Height41 ft
Dam Length1,712 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage2,140 acre-ft
Max Storage2,140 acre-ft
Normal Storage200 acre-ft
Surface Area26 acres
Drainage Area4 sq mi
Max Discharge6,816 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCOLLIN COUNTY;COLLIN COUNTY SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection02/07/2018
Emergency Action PlanYes

Identifiers

NID IDTX01165
Federal IDTX01165
More InfoState Dam Safety Program

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