Sedimentation Pond H 1 Dam is an earth dam located in Titus County, Texas, built in 1989. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 1,950 ft long. 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 H 1 Dam
The primary purpose of Sedimentation Pond H 1 Dam 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 Txu Mining Company LP (private). It impounds the Tr-blundell Creek near Mount Pleasant.
The dam stands 8 feet tall and stretches 1,950 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 490 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1989, the structure is 37 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 07/05/1990. That was over 36 years ago.
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Location
| State | Texas |
| County | Titus |
| Nearest City | Mount Pleasant |
| River/Stream | Tr-blundell Creek |
| Coordinates | 33.14139, -95.11833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 1,950 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | Txu Mining Company LP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/05/1990 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06505 |
| Federal ID | TX06505 |
| More Info | State Dam Safety Program |