Cortez Tails #7 Dam
Cortez Tails #7 Dam is an earth dam located in Lander County, Nevada, built in 1994. It carries a Low hazard potential classification and has a poor condition assessment.
About Cortez Tails #7 Dam
The primary purpose of Cortez Tails #7 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 Cortez Gold Mines (private). It impounds the None.
The dam stands 63 feet tall and stretches 7,255 feet across, creates a reservoir covering 72 acres, has a maximum storage capacity of 3,673 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1994, the structure is 32 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/05/2019.
At 63 feet, this dam is taller than 96% of all dams in the United States.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Nevada |
| County | Lander |
| Nearest City | None |
| River/Stream | None |
| Coordinates | 40.21610, -116.61920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 63 ft |
| Dam Height | 63 ft |
| Dam Length | 7,255 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 3,673 acre-ft |
| Max Storage | 3,673 acre-ft |
| Normal Storage | 2,247 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | CORTEZ GOLD MINES |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/05/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NV10449 |
| Federal ID | NV10449 |
| More Info | State Dam Safety Program |