Kauai Lagoons
Kauai Lagoons is an earth dam located in Kauai County, Hawaii, built in 1987. It carries a High hazard potential classification and has a fair condition assessment.
About Kauai Lagoons
Kauai Lagoons is a dam in Kauai, Hawaii. The dam is owned by Silverwest Kauai Hotel Property Llc, Tower Kauai Lagoons Land Llc (private).
The dam stands 13 feet tall, creates a reservoir covering 33 acres, has a maximum storage capacity of 470 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1987, the structure is 39 years old.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 01/30/2026.
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 Hawaii 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 | Hawaii |
| County | Kauai |
| Coordinates | 21.95763, -159.34626 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 470 acre-ft |
| Max Storage | 470 acre-ft |
| Normal Storage | 395 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | SILVERWEST KAUAI HOTEL PROPERTY LLC, Tower Kauai Lagoons Land LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 01/30/2026 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | HI00145 |
| Federal ID | HI00145 |
| More Info | State Dam Safety Program |