Arcadia Lower
Arcadia Lower is a dam located in Fremont County, Idaho, built in 1912. It carries a Low hazard potential classification and has a fair condition assessment.
About Arcadia Lower
The primary purpose of Arcadia Lower 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 Pine Creek Sand Creek near St Anthony.
The dam stands 23 feet tall and stretches 200 feet across, creates a reservoir covering 68 acres, has a storage capacity of 882 acre-feet, and collects water from a drainage area of 80 square miles. Completed in 1912, the structure is over a century 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 04/17/2017.
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Location
| State | Idaho |
| County | Fremont |
| Nearest City | St Anthony |
| River/Stream | Pine Creek Sand Creek |
| Coordinates | 44.13487, -111.58967 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 200 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 882 acre-ft |
| Normal Storage | 882 acre-ft |
| Surface Area | 68 acres |
| Drainage Area | 80 sq mi |
| Max Discharge | 78 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/17/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00230 |
| Federal ID | ID00230 |
| More Info | State Dam Safety Program |