Tony M Evaporation Pond
Tony M Evaporation Pond is an earth dam located in Garfield County, Utah, built in 1981. It carries a Low hazard potential classification.
About Tony M Evaporation Pond
The primary purpose of Tony M Evaporation Pond 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 Cur Henry Mountains Uranium, Llc (private). It impounds the None - Mine Discharge near None - Drains To Col.
The dam stands 35 feet tall and stretches 667 feet across, and has a maximum storage capacity of 300 acre-feet. Completed in 1981, the structure is 45 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 10/17/2023.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Utah |
| County | Garfield |
| Nearest City | None - Drains To Col |
| River/Stream | None - Mine Discharge |
| Coordinates | 37.77684, -110.72070 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Length | 667 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 270 acre-ft |
Ownership & Safety
| Purpose | Tailings |
| Owner | CUR HENRY MOUNTAINS URANIUM, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/17/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT00503 |
| Federal ID | UT00503 |
| More Info | State Dam Safety Program |