Cobblestone Dam

Cobblestone Dam is an earth dam located in Mecklenburg County, North Carolina. It carries a High hazard potential classification and has a fair condition assessment.

About Cobblestone Dam

The primary purpose of Cobblestone Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cobblestone Homeowners Association, Inc. (private). It impounds the Mcalpine Creek.

The dam stands 22 feet tall and stretches 200 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 17 acre-feet.

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 02/01/2024.

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
CountyMecklenburg
River/StreamMcalpine Creek
Coordinates35.04130, -80.83270

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Length200 ft

Storage & Hydraulics

NID Storage17 acre-ft
Max Storage17 acre-ft
Normal Storage16 acre-ft
Surface Area2 acres
Spillway TypeNone

Ownership & Safety

PurposeRecreation
OwnerCobblestone Homeowners Association, Inc.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection02/01/2024
Emergency Action PlanYes

Identifiers

NID IDNC04821
Federal IDNC04821
More InfoState Dam Safety Program

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