Vandehey Reservoir is an other dam located in Washington County, Oregon, built in 1954. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 37 ft long. 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 Vandehey Reservoir
The primary purpose of Vandehey Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Rio Verde Plantas (private). It impounds the West Dairy Creek near Hillsboro.
The dam stands 12 feet tall and stretches 37 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1954, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 12/11/2017.
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Location
| State | Oregon |
| County | Washington |
| Nearest City | Hillsboro |
| River/Stream | West Dairy Creek |
| Coordinates | 45.57650, -123.09722 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 12 ft |
| Dam Height | 10 ft |
| Dam Length | 37 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 345 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Rio Verde Plantas |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/11/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00297 |
| Federal ID | OR00297 |
| More Info | State Dam Safety Program |