Binford Dam is an earth dam located in Multnomah County, Oregon, built in 1958. It carries a Significant hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 318 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Binford Dam
The primary purpose of Binford Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City of Gresham (local government). It impounds the Hieny Creek near Gresham.
The dam stands 25 feet tall and stretches 318 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 30 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1958, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 05/01/2018.
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Location
| State | Oregon |
| County | Multnomah |
| Nearest City | Gresham |
| River/Stream | Hieny Creek |
| Coordinates | 45.48341, -122.46057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 318 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 400 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | City of Gresham |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/01/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00725 |
| Federal ID | OR00725 |
| More Info | State Dam Safety Program |