Blevin Dam
Blevin Dam is an earth dam located in Malheur County, Oregon, built in 1954. It carries a Low hazard potential classification.
About Blevin Dam
The primary purpose of Blevin Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Willard L. Smith (private). It impounds the Dry Creek near Nyssa.
The dam stands 26 feet tall and stretches 858 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 550 acre-feet, and collects water from a drainage area of 173 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 12/20/2019.
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Location
| State | Oregon |
| County | Malheur |
| Nearest City | Nyssa |
| River/Stream | Dry Creek |
| Coordinates | 42.68633, -117.56103 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 23 ft |
| Dam Length | 858 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 550 acre-ft |
| Max Storage | 550 acre-ft |
| Normal Storage | 457 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 173 sq mi |
| Max Discharge | 770 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WILLARD L. SMITH |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 12/20/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00253 |
| Federal ID | OR00253 |
| More Info | State Dam Safety Program |