Flying Joseph Dam

Flying Joseph Dam is a dam located in Custer County, Idaho, built in 2008. It carries a Low hazard potential classification and has a poor condition assessment.

About Flying Joseph Dam

Flying Joseph Dam is a dam in Custer, Idaho. The dam is private-owned. It impounds the Pahsimeroi River Salmon River.

The dam stands 14 feet tall and stretches 1,013 feet across, creates a reservoir covering 11 acres, has a storage capacity of 50 acre-feet, and collects water from a drainage area of 372 square miles. Completed in 2008, the structure is relatively new.

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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/08/2020.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyCuster
River/StreamPahsimeroi River Salmon River
Coordinates44.46230, -113.81350

Physical Characteristics

NID Height14 ft
Dam Height14 ft
Dam Length1,013 ft
Year Completed2008 (18 years old)

Storage & Hydraulics

NID Storage50 acre-ft
Normal Storage50 acre-ft
Surface Area11 acres
Drainage Area372 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection07/08/2020
Emergency Action PlanNot Required

Identifiers

NID IDID00715
Federal IDID00715
More InfoState Dam Safety Program