Oak Mountain Lake Dam Number One

Oak Mountain Lake Dam Number One is an earth dam located in Shelby County, Alabama, built in 1954. It carries a High hazard potential classification.

About Oak Mountain Lake Dam Number One

The primary purpose of Oak Mountain Lake Dam Number One is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Oak Mt St Park St Of Ala (state). It impounds the Tr Cahaba Valley Creek near New Hope.

The dam stands 40 feet tall and stretches 300 feet across, and has a maximum storage capacity of 1,797 acre-feet. Completed in 1954, 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. Notably, no emergency action plan is currently on file for this high-hazard dam.

At 40 feet, this dam is taller than 87% 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 Alabama 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: No

Location

StateAlabama
CountyShelby
Nearest CityNew Hope
River/StreamTr Cahaba Valley Creek
Coordinates33.37000, -86.70500

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Length300 ft
Year Completed1954 (72 years old)

Storage & Hydraulics

NID Storage1,797 acre-ft
Max Storage1,797 acre-ft
Normal Storage1,135 acre-ft
Max Discharge6,800 cfs

Ownership & Safety

PurposeRecreation
OwnerOAK MT ST PARK ST OF ALA
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentNot Rated
Emergency Action PlanNo

Identifiers

NID IDAL01313
Federal IDAL01313
More InfoState Dam Safety Program

Nearby Dams