Whistle Lake Dam
Whistle Lake Dam is a rockfill dam located in Skagit County, Washington, built in 1925. It carries a High hazard potential classification and has a poor condition assessment.
About Whistle Lake Dam
The primary purpose of Whistle Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Anacortes City Parks And Recreation (local government).
The dam stands 15 feet tall and stretches 75 feet across, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1925, the structure is over a century 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 07/07/2022.
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 | Skagit |
| Nearest City | Anacortes |
| Coordinates | 48.45718, -122.60898 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 15 ft |
| Dam Length | 75 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 130 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Anacortes City Parks and Recreation |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 07/07/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00705 |
| Federal ID | WA00705 |
| More Info | State Dam Safety Program |