Olson is a dam located in Elmore County, Idaho, built in 1981. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 24 ft24 ft tall and 730 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 Olson
The primary purpose of Olson is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is private-owned. It impounds the Unnamed Stream Camas Creek.
The dam stands 24 feet tall and stretches 730 feet across, creates a reservoir covering 14 acres, has a storage capacity of 119 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1981, the structure is 45 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. 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 10/04/2018.
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Location
| State | Idaho |
| County | Elmore |
| River/Stream | Unnamed Stream Camas Creek |
| Coordinates | 43.26400, -115.18200 |
Physical Characteristics
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 730 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 119 acre-ft |
| Normal Storage | 119 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 280 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/04/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00339 |
| Federal ID | ID00339 |
| More Info | State Dam Safety Program |