Attoyac Bayou Ws Scs Site 21 Dam
Attoyac Bayou Ws Scs Site 21 Dam is an earth dam located in Nacogdoches County, Texas, built in 1977. It carries a Low hazard potential classification.
About Attoyac Bayou Ws Scs Site 21 Dam
The primary purpose of Attoyac Bayou Ws Scs Site 21 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;nacogdoches County;nacogdoches Swcd (local government). It impounds the Browns Creek.
The dam stands 42 feet tall and stretches 1,150 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 2,093 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1977, the structure is 49 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 05/01/2013. That was over 12 years ago.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Texas |
| County | Nacogdoches |
| River/Stream | Browns Creek |
| Coordinates | 31.74336, -94.52255 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 1,150 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 2,093 acre-ft |
| Max Storage | 2,093 acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ATTOYAC BAYOU WATERSHED AUTHORITY;NACOGDOCHES COUNTY;NACOGDOCHES SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/01/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04486 |
| Federal ID | TX04486 |
| More Info | State Dam Safety Program |