Tumco Monticello Winfield Mine Dam J-3 is an earth dam located in Titus County, Texas, built in 1992. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall, taller than 68% 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 Tumco Monticello Winfield Mine Dam J-3
The primary purpose of Tumco Monticello Winfield Mine Dam J-3 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-tankersly Creek/lake near Mount Pleasant.
The dam stands 30 feet tall, creates a reservoir covering 7 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1992, the structure is 34 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 | Titus |
| Nearest City | Mount Pleasant |
| River/Stream | Tr-tankersly Creek/lake |
| Coordinates | 33.20662, -95.03001 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 126 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | Txu Mining Company LP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06546 |
| Federal ID | TX06546 |
| More Info | State Dam Safety Program |