Chiawana Gleed Ranch Dam
Chiawana Gleed Ranch Dam is an earth dam located in Yakima County, Washington, built in 2003. It carries a High hazard potential classification and has a fair condition assessment.
About Chiawana Gleed Ranch Dam
The primary purpose of Chiawana Gleed Ranch Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Chiawana Orchards Llc (private). It impounds the Offstream - Yakima R near Yakima.
The dam stands 21 feet tall and stretches 275 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 15 acre-feet. Completed in 2003, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 09/30/2024.
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 | Yakima |
| Nearest City | Yakima |
| River/Stream | Offstream - Yakima R |
| Coordinates | 46.68875, -120.63373 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Length | 275 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 15 acre-ft |
| Max Storage | 15 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 10 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Chiawana Orchards LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 09/30/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA01975 |
| Federal ID | WA01975 |
| More Info | State Dam Safety Program |