Sedimentation Pond No 5
Sedimentation Pond No 5 is an earth dam located in Leon County, Texas, built in 1984. It carries a Low hazard potential classification.
About Sedimentation Pond No 5
The primary purpose of Sedimentation Pond No 5 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Texas Westmoreland Coal Co (private). It impounds the Tr-navasota River.
The dam stands 11 feet tall, creates a reservoir covering 7 acres, has a maximum storage capacity of 97 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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.
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Location
| State | Texas |
| County | Leon |
| River/Stream | Tr-navasota River |
| Coordinates | 31.38472, -96.27417 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 97 acre-ft |
| Max Storage | 97 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | TEXAS WESTMORELAND COAL CO |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX09119 |
| Federal ID | TX09119 |
| More Info | State Dam Safety Program |