Samaria No 1 Lower is a dam located in Oneida County, Idaho, built in 1934. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 35 ft35 ft tall and 500 ft long, taller than 80% 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 Samaria No 1 Lower
Samaria No 1 Lower is a dam in Oneida, Idaho. The dam is private-owned. It impounds the Malad River Bear River near Pleasantview.
The dam stands 35 feet tall and stretches 500 feet across, creates a reservoir covering 40 acres, has a storage capacity of 559 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1934, the structure is well-established, with more than 75 years of service.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/16/2017.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Idaho |
| County | Oneida |
| Nearest City | Pleasantview |
| River/Stream | Malad River Bear River |
| Coordinates | 42.19500, -112.36040 |
Physical Characteristics
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 500 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 559 acre-ft |
| Normal Storage | 559 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 144 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/16/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00003 |
| Federal ID | ID00003 |
| More Info | State Dam Safety Program |