Chino Mines Reservoir No. 7 Dam

WHITEWATER CREEK· Grant, New Mexico· Built 1959· Earth· 107 ft tall
Low Hazard Other Flood Risk Reduction Private

Key Takeaway

Chino Mines Reservoir No. 7 Dam is classified as low hazard in New Mexico. It was completed in 1959 and is 67 years old. Its primary use is other.

Physical Details

Dam Height 107 ft (taller than 90.5% in NM)
Dam Length512 ft
Dam TypeEarth
Max Storage499 acre-ft
Normal Storage266 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Max Discharge5,520 cfs
Year Completed1959 (67 years old)
Year Modified1964
NID IDNM00504

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 30, 2020
State Regulated: Yes
Regulatory Agency: OFFICE OF THE STATE ENGINEER

Ownership

FREEPORT MCMORAN CORPORATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Chino Mines Reservoir No. 7 Dam?

Chino Mines Reservoir No. 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 Chino Mines Reservoir No. 7 Dam?

Chino Mines Reservoir No. 7 Dam is owned by FREEPORT MCMORAN CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Chino Mines Reservoir No. 7 Dam built?

Chino Mines Reservoir No. 7 Dam was completed in 1959, making it 67 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 Chino Mines Reservoir No. 7 Dam?

Chino Mines Reservoir No. 7 Dam serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Chino Mines Reservoir No. 7 Dam?

Chino Mines Reservoir No. 7 Dam has a dam height of 107 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 Chino Mines Reservoir No. 7 Dam last inspected?

Chino Mines Reservoir No. 7 Dam was last inspected on June 30, 2020. 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.