Cortez Tails #7 Dam

NONE· Lander, Nevada· Built 1994· Earth· 63 ft tall
Low Hazard Tailings Private

Key Takeaway

Cortez Tails #7 Dam is classified as low hazard in Nevada. It was completed in 1994 and is 32 years old. Its primary use is tailings.

Physical Details

Dam Height 63 ft (taller than 86.9% in NV)
Dam Length7,255 ft
Dam TypeEarth
Max Storage3.7K acre-ft
Normal Storage2.2K acre-ft
Surface Area72 acres
Drainage Area0 sq mi
Max Discharge2 cfs
Year Completed1994 (32 years old)
NID IDNV10449

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 5, 2019
State Regulated: Yes
Regulatory Agency: NEVADA DWR

Ownership

CORTEZ GOLD MINES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cortez Tails #7 Dam?

Cortez Tails #7 Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cortez Tails #7 Dam?

Cortez Tails #7 Dam is owned by CORTEZ GOLD MINES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cortez Tails #7 Dam built?

Cortez Tails #7 Dam was completed in 1994, making it 32 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Cortez Tails #7 Dam?

Cortez Tails #7 Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Cortez Tails #7 Dam?

Cortez Tails #7 Dam has a dam height of 63 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Cortez Tails #7 Dam last inspected?

Cortez Tails #7 Dam was last inspected on June 5, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.