Elua Reservoir
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| County | Kauai |
| Nearest City | KALAHEO |
| River/Stream | KALAHEO GULCH |
| Coordinates | 21.92755, -159.52785 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 600 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BBCP Kauai Operating, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 07/31/2025 |
| Emergency Action Plan | Yes |