Coronado Lake Dam

Coronado Lake Dam is an earth dam located in Wake County, North Carolina. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Coronado Lake Dam

The primary purpose of Coronado Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Coronado Village Home Owners Association, Inc. (private). It impounds the Walnut Creek near Cary.

The dam stands 9 feet tall and stretches 260 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 26 acre-feet, and collects water from a drainage area of 0 square miles.

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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 01/28/2025.

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 HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNorth Carolina
CountyWake
Nearest CityCary
River/StreamWalnut Creek
Coordinates35.78220, -78.77360

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Length260 ft

Storage & Hydraulics

NID Storage26 acre-ft
Max Storage26 acre-ft
Normal Storage16 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge163 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerCoronado Village Home Owners Association, Inc.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection01/28/2025
Emergency Action PlanYes

Identifiers

NID IDNC04616
Federal IDNC04616
More InfoState Dam Safety Program

Nearby Dams