Jacobs
Jacobs is a dam located in Fremont County, Idaho, built in 1935. It carries a Low hazard potential classification and has a fair condition assessment.
About Jacobs
Jacobs is a dam in Fremont, Idaho. The dam is private-owned. It impounds the Blue Lake Sheep Creek near Island Park Res.
The dam stands 19 feet tall and stretches 570 feet across, creates a reservoir covering 20 acres, has a storage capacity of 75 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
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 06/23/2020.
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Location
| State | Idaho |
| County | Fremont |
| Nearest City | Island Park Res |
| River/Stream | Blue Lake Sheep Creek |
| Coordinates | 44.44950, -111.47440 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 570 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 333 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/23/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00466 |
| Federal ID | ID00466 |
| More Info | State Dam Safety Program |