Copper Creek Lake Dam

Copper Creek Lake Dam is an earth dam located in Polk County, Iowa, built in 1995. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Copper Creek Lake Dam

The primary purpose of Copper Creek Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Copper Creek Golf Course Lc (private). It impounds the Tr- Four Mile Creek near Pleasant Hill.

The dam stands 31 feet tall and stretches 825 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 103 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 05/18/2023.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyPolk
Nearest CityPleasant Hill
River/StreamTr- Four Mile Creek
Coordinates41.60660, -93.51200

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length825 ft
Year Completed1995 (31 years old)

Storage & Hydraulics

NID Storage103 acre-ft
Max Storage103 acre-ft
Normal Storage46 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerCopper Creek Golf Course LC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection05/18/2023
Emergency Action PlanNot Required

Identifiers

NID IDIA02938
Federal IDIA02938
More InfoState Dam Safety Program

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