Lake Monroe Dam

Lake Monroe Dam is an earth dam located in Union County, North Carolina, built in 1955. It carries a High hazard potential classification and has a fair condition assessment.

About Lake Monroe Dam

The primary purpose of Lake Monroe Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Monroe (local government). It impounds the Richardson Creek near Monroe.

The dam stands 46 feet tall and stretches 770 feet across, creates a reservoir covering 118 acres, has a maximum storage capacity of 2,721 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1955, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 01/09/2025.

At 46 feet, this dam is taller than 91% of dams nationwide.

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 North Carolina 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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateNorth Carolina
CountyUnion
Nearest CityMonroe
River/StreamRichardson Creek
Coordinates34.94120, -80.51810

Physical Characteristics

Dam TypeEarth
NID Height46 ft
Dam Length770 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage2,721 acre-ft
Max Storage2,721 acre-ft
Normal Storage1,765 acre-ft
Surface Area118 acres
Drainage Area9 sq mi
Max Discharge7,500 cfs

Ownership & Safety

PurposeRecreation
OwnerCity of Monroe
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection01/09/2025
Emergency Action PlanYes

Identifiers

NID IDNC00535
Federal IDNC00535
More InfoState Dam Safety Program

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