Attoyac Bayou Ws Scs Site 12 Dam

Attoyac Bayou Ws Scs Site 12 Dam is an earth dam located in Shelby County, Texas, built in 1976. It carries a Significant hazard potential classification.

About Attoyac Bayou Ws Scs Site 12 Dam

The primary purpose of Attoyac Bayou Ws Scs Site 12 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;shelby County Commissioners Court;shelby Swcd (local government). It impounds the Stockman Creek.

The dam stands 31 feet tall and stretches 1,200 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 1,673 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1976, the structure is 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 09/26/2018.

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Significant HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyShelby
River/StreamStockman Creek
Coordinates31.77167, -94.40333

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length1,200 ft
Year Completed1976 (50 years old)

Storage & Hydraulics

NID Storage1,673 acre-ft
Max Storage1,673 acre-ft
Normal Storage40 acre-ft
Surface Area17 acres
Drainage Area2 sq mi
Max Discharge881 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerATTOYAC BAYOU WATERSHED AUTHORITY;SHELBY COUNTY COMMISSIONERS COURT;SHELBY SWCD
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection09/26/2018
Emergency Action PlanYes

Identifiers

NID IDTX05110
Federal IDTX05110
More InfoState Dam Safety Program

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