Conner Jarvis East Pond
Conner Jarvis East Pond is an earth dam located in King County, Washington, built in 2018. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Conner Jarvis East Pond
The primary purpose of Conner Jarvis East Pond 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 Sammamish City Public Works (local government).
The dam stands 11 feet tall and stretches 1,230 feet across, has a maximum storage capacity of 14 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2018, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 06/21/2023.
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Location
| State | Washington |
| County | King |
| Coordinates | 47.57385, -122.02430 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 1,230 ft |
| Year Completed | 2018 (8 years old) |
Storage & Hydraulics
| NID Storage | 14 acre-ft |
| Max Storage | 14 acre-ft |
| Normal Storage | 7 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Sammamish City Public Works |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/21/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA02062 |
| Federal ID | WA02062 |
| More Info | State Dam Safety Program |