Deer Park Ww Storage Lagoon No 3
Deer Park Ww Storage Lagoon No 3 is an earth dam located in Spokane County, Washington, built in 1997. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Deer Park Ww Storage Lagoon No 3
Deer Park Ww Storage Lagoon No 3 is a dam in Spokane, Washington. The dam is owned by Deer Park City (local government). It impounds the Tr-dragoon Creek near Deer Park.
The dam stands 24 feet tall and stretches 2,900 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 204 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1997, the structure is 29 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 06/06/2024.
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 | Spokane |
| Nearest City | Deer Park |
| River/Stream | Tr-dragoon Creek |
| Coordinates | 47.96318, -117.45951 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Length | 2,900 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 204 acre-ft |
| Max Storage | 204 acre-ft |
| Normal Storage | 185 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Deer Park City |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/06/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00655 |
| Federal ID | WA00655 |
| More Info | State Dam Safety Program |