Trail Diversion is a dam located in Elmore County, Idaho, built in 1962. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 28 ft28 ft tall and 530 ft long, taller than 62% 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 Trail Diversion
Trail Diversion is a dam in Elmore, Idaho. The dam is private-owned. It impounds the Little Canyon Creek Snake River.
The dam stands 28 feet tall and stretches 530 feet across, creates a reservoir covering 8 acres, has a storage capacity of 63 acre-feet, and collects water from a drainage area of 29 square miles. Completed in 1962, 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. 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 08/11/2017.
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Location
| State | Idaho |
| County | Elmore |
| River/Stream | Little Canyon Creek Snake River |
| Coordinates | 43.05060, -115.28360 |
Physical Characteristics
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 530 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 29 sq mi |
| Max Discharge | 1,200 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/11/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00240 |
| Federal ID | ID00240 |
| More Info | State Dam Safety Program |