Jackson Reservoir Dam
Jackson Reservoir Dam is an earth dam located in Pulaski County, Arkansas, built in 1939. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Jackson Reservoir Dam
The primary purpose of Jackson Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Central Arkansas Water (local government). It impounds the Pumped Reservoir near Little Rock.
The dam stands 66 feet tall and stretches 1,750 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 395 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.
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 06/21/2022.
At 66 feet, this dam is taller than 96% of all dams in the United States.
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 | Pumped Reservoir |
| Coordinates | 34.77500, -92.37028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 66 ft |
| Dam Height | 66 ft |
| Dam Length | 1,750 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 395 acre-ft |
| Max Storage | 395 acre-ft |
| Normal Storage | 353 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 77 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Central Arkansas Water |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/21/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AR00146 |
| Federal ID | AR00146 |
| More Info | State Dam Safety Program |