Little Elm And Laterals Ws Scs Site 9 Dam

Little Elm And Laterals Ws Scs Site 9 Dam is an earth dam located in Collin County, Texas, built in 1971. It carries a High hazard potential classification.

About Little Elm And Laterals Ws Scs Site 9 Dam

The primary purpose of Little Elm And Laterals Ws Scs Site 9 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-clarks Branch.

The dam stands 24 feet tall and stretches 1,180 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 340 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 03/19/2024.

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: No

Location

StateTexas
CountyCollin
River/StreamTr-clarks Branch
Coordinates33.38633, -96.78242

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length1,180 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage340 acre-ft
Max Storage340 acre-ft
Normal Storage62 acre-ft
Surface Area14 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 Inspection03/19/2024
Emergency Action PlanNo

Identifiers

NID IDTX01133
Federal IDTX01133
More InfoState Dam Safety Program

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