Andreasen Upper
Andreasen Upper is a dam located in Franklin County, Idaho, built in 1957. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
About Andreasen Upper
The primary purpose of Andreasen Upper 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 Battle Creek near Lower Andreasen Dam.
The dam stands 29 feet tall and stretches 340 feet across, creates a reservoir covering 6 acres, has a storage capacity of 40 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 08/08/2017.
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Location
| State | Idaho |
| County | Franklin |
| Nearest City | Lower Andreasen Dam |
| River/Stream | Unnamed Stream Battle Creek |
| Coordinates | 42.32430, -111.78240 |
Physical Characteristics
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 340 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 08/08/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00464 |
| Federal ID | ID00464 |
| More Info | State Dam Safety Program |