Oneida Dike Reservoir Report

Last Updated: December 6, 2025

Oneida Dike, located in Franklin, Idaho, was completed in 1913 and serves as a crucial infrastructure for water resource management in the region.


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Summary

This earth dam, primarily designed for purposes other than flood control, stands at a height of 47 feet and has a storage capacity of 4456 acre-feet. The dam spans 1100 feet in length and is situated on the Bear River, contributing to the overall drainage area of 4456 acres.

Managed by the Idaho Department of Water Resources, this publicly owned structure is regulated, permitted, inspected, and enforced by state agencies to ensure its safe operation. Despite being classified as having a high hazard potential, the dam is in satisfactory condition, with the last inspection conducted in August 2018. With a high risk rating and emergency action plan guidelines in place, Oneida Dike plays a crucial role in mitigating potential risks and protecting the surrounding communities from water-related emergencies.

Year Completed

1913

Dam Length

1100

Dam Height

47

River Or Stream

BEAR RIVER GREAT SALT LAKE

Surface Area

480

Hydraulic Height

31

Drainage Area

4456

Nid Storage

4456

Hazard Potential

High

Foundations

Rock, Soil

Nid Height

47
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.