Iatt Lake Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Louisiana |
| County | Grant |
| Nearest City | Colfax |
| River/Stream | Bayou Rigolette |
| Coordinates | 31.55232, -92.65849 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 5,310 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 167,000 acre-ft |
| Max Storage | 167,000 acre-ft |
| Normal Storage | 31,000 acre-ft |
| Surface Area | 7,100 acres |
| Drainage Area | 242 sq mi |
| Max Discharge | 12,128 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | State of Louisiana |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/30/2023 |
| Emergency Action Plan | Yes |