Attoyac Bayou Ws Scs Site 9 Dam

Attoyac Bayou Ws Scs Site 9 Dam is an earth dam located in Shelby County, Texas, built in 1980. It carries a High hazard potential classification and has a fair condition assessment.

About Attoyac Bayou Ws Scs Site 9 Dam

The primary purpose of Attoyac Bayou 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 Attoyac Bayou Watershed Authority;city Of Center;shelby County Commissioners Court;shelby Swcd (local government). It impounds the Hardage Creek.

The dam stands 31 feet tall and stretches 1,450 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 1,345 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1980, the structure is 46 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 02/24/2020.

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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyShelby
River/StreamHardage Creek
Coordinates31.88167, -94.44500

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length1,450 ft
Year Completed1980 (46 years old)

Storage & Hydraulics

NID Storage1,345 acre-ft
Max Storage1,345 acre-ft
Normal Storage121 acre-ft
Surface Area25 acres
Drainage Area2 sq mi
Max Discharge1,383 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerATTOYAC BAYOU WATERSHED AUTHORITY;CITY OF CENTER;SHELBY COUNTY COMMISSIONERS COURT;SHELBY SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection02/24/2020
Emergency Action PlanYes

Identifiers

NID IDTX04762
Federal IDTX04762
More InfoState Dam Safety Program

Nearby Dams