Honeymoon Lake Dam
Honeymoon Lake Dam is an earth dam located in Island County, Washington, built in 1969. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Honeymoon Lake Dam
The primary purpose of Honeymoon Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Honeymoon Lake Community Club (private). It impounds the Tr-honeymoon Bay.
The dam stands 20 feet tall and stretches 380 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 43 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1969, the structure is well into its service life at over 50 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/15/2024.
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 Washington 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 | Washington |
| County | Island |
| River/Stream | Tr-honeymoon Bay |
| Coordinates | 48.05207, -122.55113 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Length | 380 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 43 acre-ft |
| Max Storage | 43 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 200 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Honeymoon Lake Community Club |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/15/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00203 |
| Federal ID | WA00203 |
| More Info | State Dam Safety Program |