Clearwater Lake Dam

Clearwater Lake Dam is an earth dam located in Iron County, Missouri, built in 1971. It carries a High hazard potential classification.

About Clearwater Lake Dam

Clearwater Lake Dam is a dam in Iron, Missouri. The dam is owned by Cominco (private). It impounds the Left Fork near Black.

The dam stands 30 feet tall, creates a reservoir covering 27 acres, has a maximum storage capacity of 433 acre-feet, and collects water from a drainage area of 2,400 square miles. Completed in 1971, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyIron
Nearest CityBlack
River/StreamLeft Fork
Coordinates37.63853, -91.09391

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage433 acre-ft
Max Storage433 acre-ft
Normal Storage225 acre-ft
Surface Area27 acres
Drainage Area2,400 sq mi

Ownership & Safety

PurposeOther
OwnerCOMINCO
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO30219
Federal IDMO30219
More InfoState Dam Safety Program

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