Green Lake Dam
Green Lake Dam is an earth dam located in Pulaski County, Arkansas, built in 1972. It carries a High hazard potential classification.
About Green Lake Dam
The primary purpose of Green Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by James W. Williams(minor Dec92) (private). It impounds the Mc Henry Creek-os near Little Rock.
The dam stands 25 feet tall and stretches 373 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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 | Mc Henry Creek-os |
| Coordinates | 34.74338, -92.49594 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 373 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 289 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | James W. Williams(MINOR DEC92) |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00107 |
| Federal ID | AR00107 |
| More Info | State Dam Safety Program |