Johnstone Lake Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Mississippi |
| County | Madison |
| Nearest City | N/A |
| River/Stream | PERSIMMON CREEK |
| Coordinates | 32.53124, -90.18237 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 31 ft |
| Dam Length | 1,900 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 1,524 acre-ft |
| Max Storage | 1,524 acre-ft |
| Normal Storage | 1,058 acre-ft |
| Surface Area | 104 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,175 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | JOHNSTONE PROPERTY OWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/26/2022 |
| Emergency Action Plan | Yes |