Sedimentation Pond No 10 is an earth dam located in Leon County, Texas. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall. 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 10
The primary purpose of Sedimentation Pond No 10 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 Lambs Creek.
The dam stands 13 feet tall, creates a reservoir covering 22 acres, has a maximum storage capacity of 385 acre-feet, and collects water from a drainage area of 0 square miles.
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 | Lambs Creek |
| Coordinates | 31.40402, -96.22978 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
Storage & Hydraulics
| NID Storage | 385 acre-ft |
| Max Storage | 385 acre-ft |
| Normal Storage | 94 acre-ft |
| Surface Area | 22 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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX09122 |
| Federal ID | TX09122 |
| More Info | State Dam Safety Program |