Redmond Ridge East Srs 1 Pond No 1
Redmond Ridge East Srs 1 Pond No 1 is an earth dam located in King County, Washington, built in 2013. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Redmond Ridge East Srs 1 Pond No 1
The primary purpose of Redmond Ridge East Srs 1 Pond No 1 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 King County Natural Resources And Parks (local government). It impounds the Offstream - Snoqualmie R..
The dam stands 11 feet tall and stretches 1,820 feet across, has a maximum storage capacity of 47 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2013, the structure is relatively new.
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 08/02/2023.
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 | King |
| River/Stream | Offstream - Snoqualmie R. |
| Coordinates | 47.68527, -122.00855 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 1,820 ft |
| Year Completed | 2013 (13 years old) |
Storage & Hydraulics
| NID Storage | 47 acre-ft |
| Max Storage | 47 acre-ft |
| Normal Storage | 26 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 284 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | King County Natural Resources and Parks |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/02/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA01922 |
| Federal ID | WA01922 |
| More Info | State Dam Safety Program |