Chino Mines Reservoir No. 7 Dam

Chino Mines Reservoir No. 7 Dam is an earth dam located in Grant County, New Mexico, built in 1959. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Chino Mines Reservoir No. 7 Dam

Chino Mines Reservoir No. 7 Dam is a dam in Grant, New Mexico. The dam is owned by Freeport Mcmoran Corporation (private). It impounds the Whitewater Creek near Santa Rita Mine Pit.

The dam stands 110 feet tall and stretches 512 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 499 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1959, the structure is well into its service life at over 50 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/30/2020.

At 110 feet, this dam is taller than 98% of all dams in the United States.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew Mexico
CountyGrant
Nearest CitySanta Rita Mine Pit
River/StreamWhitewater Creek
Coordinates32.79957, -108.05532

Physical Characteristics

Dam TypeEarth
NID Height110 ft
Dam Height107 ft
Dam Length512 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage499 acre-ft
Max Storage499 acre-ft
Normal Storage266 acre-ft
Surface Area13 acres
Drainage Area1 sq mi
Max Discharge5,520 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerFREEPORT MCMORAN CORPORATION
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/30/2020
Emergency Action PlanNot Required

Identifiers

NID IDNM00504
Federal IDNM00504
More InfoState Dam Safety Program

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