Silver Firs Detention Pond No 3
Silver Firs Detention Pond No 3 is an earth dam located in Snohomish County, Washington, built in 2000. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Silver Firs Detention Pond No 3
The primary purpose of Silver Firs Detention Pond No 3 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Silver Firs Ii Hoa (private). It impounds the Little Bear Creek near Woodinville.
The dam stands 14 feet tall and stretches 950 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 45 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 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 09/22/2020.
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 | Snohomish |
| Nearest City | Woodinville |
| River/Stream | Little Bear Creek |
| Coordinates | 47.85690, -122.16389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Length | 950 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 324 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Silver Firs II HOA |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/22/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA01792 |
| Federal ID | WA01792 |
| More Info | State Dam Safety Program |