Twin Lakes Dam B
Twin Lakes Dam B is an earth dam located in Pulaski County, Arkansas, built in 1964. It carries a High hazard potential classification.
About Twin Lakes Dam B
The primary purpose of Twin Lakes Dam B is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Twin Lakes Rec. Improvement (private). It impounds the Rock Creek near Little Rock.
The dam stands 15 feet tall and stretches 537 feet across, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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.
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 Arkansas 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.
Location
| State | Arkansas |
| County | Pulaski |
| Nearest City | Little Rock |
| River/Stream | Rock Creek |
| Coordinates | 34.73434, -92.37753 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 537 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 34 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Twin Lakes Rec. Improvement |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00110 |
| Federal ID | AR00110 |
| More Info | State Dam Safety Program |