Rowlett Creek Ws Scs Site 7 Dam

Rowlett Creek Ws Scs Site 7 Dam is an earth dam located in Collin County, Texas, built in 1957. It carries a High hazard potential classification.

About Rowlett Creek Ws Scs Site 7 Dam

The primary purpose of Rowlett Creek Ws Scs Site 7 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 Maxwell Creek.

The dam stands 38 feet tall and stretches 1,875 feet across, creates a reservoir covering 109 acres, has a maximum storage capacity of 4,033 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1957, 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 11/01/2018. That was 7 years ago, which is on the longer end for a high-hazard structure.

At 38 feet, this dam is taller than 85% 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
River/StreamMaxwell Creek
Coordinates32.99621, -96.56767

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height38 ft
Dam Length1,875 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage4,033 acre-ft
Max Storage4,033 acre-ft
Normal Storage200 acre-ft
Surface Area109 acres
Drainage Area10 sq mi
Max Discharge7,565 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCOLLIN COUNTY;COLLIN COUNTY SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection11/01/2018
Emergency Action PlanYes

Identifiers

NID IDTX01090
Federal IDTX01090
More InfoState Dam Safety Program

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