Chiawana Rd O Sw Pond
Chiawana Rd O Sw Pond is an earth dam located in Grant County, Washington, built in 2019. It carries a High hazard potential classification.
About Chiawana Rd O Sw Pond
The primary purpose of Chiawana Rd O Sw Pond is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by O Road Orchards Llc (private).
The dam stands 16 feet tall and stretches 400 feet across, and has a maximum storage capacity of 25 acre-feet. Completed in 2019, 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. Notably, no emergency action plan is currently on file for this high-hazard dam.
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 | Grant |
| Coordinates | 46.95275, -119.80086 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Length | 400 ft |
| Year Completed | 2019 (7 years old) |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Normal Storage | 18 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | O Road Orchards LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Emergency Action Plan | No |
Identifiers
| NID ID | WA02068 |
| Federal ID | WA02068 |
| More Info | State Dam Safety Program |