East Fork Above Lavon Ws Scs Site 32a Dam

East Fork Above Lavon Ws Scs Site 32a Dam is an earth dam located in Collin County, Texas, built in 1966. It carries a High hazard potential classification.

About East Fork Above Lavon Ws Scs Site 32a Dam

The primary purpose of East Fork Above Lavon Ws Scs Site 32a 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 near Mckinney.

The dam stands 33 feet tall and stretches 931 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 293 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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 02/26/2019. That was 7 years ago, which is on the longer end for a high-hazard structure.

At 33 feet, this dam is taller than 78% 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-east Fork Trinity River
Coordinates33.35190, -96.62840

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length931 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage293 acre-ft
Max Storage293 acre-ft
Normal Storage48 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge599 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCOLLIN COUNTY;COLLIN COUNTY SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection02/26/2019
Emergency Action PlanYes

Identifiers

NID IDTX01162
Federal IDTX01162
More InfoState Dam Safety Program

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