Sedimentation Pond No 21 is an earth dam located in Leon County, Texas, built in 1988. It carries a Significant hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 2,200 ft long, taller than 55% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Sedimentation Pond No 21
Sedimentation Pond No 21 is a dam in Leon, Texas. The dam is owned by Cooper Elizabeth Fulton Trust (private). It impounds the Tr-buffalo Creek near Donie.
The dam stands 26 feet tall and stretches 2,200 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 327 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1988, the structure is 38 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 03/24/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Leon |
| Nearest City | Donie |
| River/Stream | Tr-buffalo Creek |
| Coordinates | 31.47194, -96.00000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 2,200 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 327 acre-ft |
| Max Storage | 327 acre-ft |
| Normal Storage | 213 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Cooper Elizabeth Fulton Trust |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/24/2009 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX09129 |
| Federal ID | TX09129 |
| More Info | State Dam Safety Program |