Aii Reservoir
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| County | Kauai |
| Nearest City | Kapaia |
| River/Stream | TR-HANAMAULU STREAM OFFSTREAM |
| Coordinates | 22.01937, -159.38131 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 21 ft |
| Dam Length | 350 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Grove Farm Company |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 02/11/2025 |
| Emergency Action Plan | Yes |