Stonebridge Lake C Dam

Stonebridge Lake C Dam is an earth dam located in Collin County, Texas, built in 1998. It carries a High hazard potential classification.

About Stonebridge Lake C Dam

The primary purpose of Stonebridge Lake C 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 Stonebridge Country Club (private). It impounds the Tr-wilson Creek near Mckinney.

The dam stands 22 feet tall and stretches 585 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 19 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1998, the structure is 28 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 11/29/2016. That was 9 years ago, which is on the longer end for a high-hazard structure.

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-wilson Creek
Coordinates33.18572, -96.70104

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height22 ft
Dam Length585 ft
Year Completed1998 (28 years old)

Storage & Hydraulics

NID Storage19 acre-ft
Max Storage19 acre-ft
Normal Storage11 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge88 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerSTONEBRIDGE COUNTRY CLUB
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection11/29/2016
Emergency Action PlanYes

Identifiers

NID IDTX09210
Federal IDTX09210
More InfoState Dam Safety Program

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