No Name Wash, located in Graham County, Arizona, is a crucial flood risk reduction structure designed by the USDA NRCS and completed in 1977.
Wind
Humidity
This earth dam stands at a height of 48 feet, with a hydraulic height of 22 feet, and a length of 918 feet. It has a storage capacity of 645.9 acre-feet and covers a surface area of 34 acres, serving the primary purpose of flood risk reduction.
Managed by the Arizona Department of Water Resources, No Name Wash is regulated, inspected, and enforced by state agencies to ensure its structural integrity and functionality. Despite its high hazard potential, the dam is assessed to be in satisfactory condition, with a moderate risk rating. With a spillway width of 60 feet and a maximum discharge of 1296 cubic feet per second, this structure plays a critical role in mitigating flood risks in the area, making it a key asset for water resource and climate enthusiasts to monitor and appreciate.
Year Completed |
1977 |
Dam Length |
918 |
Dam Height |
22 |
River Or Stream |
NO NAME WASH |
Primary Dam Type |
Earth |
Surface Area |
34 |
Hydraulic Height |
22 |
Drainage Area |
1.02 |
Nid Storage |
645.9 |
Structural Height |
48 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
48 |
| Location | Reservations | Toilets |
|---|---|---|
Hackel Road Dispersed
|
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Roper Lake State Park
|
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Riverview
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