Carlin Ww West Rib Dam Reservoir Report

Last Updated: December 15, 2025

Carlin Ww West Rib Dam, located in Elko, Nevada, along the Humboldt River, is a vital water resource structure owned and regulated by the local government.


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Summary

This Earth-type dam, completed in 1990, stands at 21 feet high and stretches 1840 feet in length, with a storage capacity of 160 acre-feet. The dam serves multiple purposes, including flood control and water storage, contributing to the overall management of the region's water resources.

With a low hazard potential and a moderate risk assessment rating, Carlin Ww West Rib Dam is an essential piece of infrastructure that helps mitigate potential risks associated with water management in the area. The dam features an uncontrolled spillway and a slide gate outlet, ensuring proper water release and control during high flow events. While the dam's condition assessment is currently not rated, regular inspections and maintenance are conducted to uphold its structural integrity and functionality.

Managed by the Nevada Department of Water Resources, Carlin Ww West Rib Dam plays a crucial role in maintaining water quality, supporting wildlife habitats, and ensuring water availability for various uses. As climate change continues to impact water resources, structures like Carlin Ww West Rib Dam are instrumental in adapting to changing conditions and securing a sustainable water supply for the community.

Year Completed

1990

Dam Length

1840

Dam Height

21

River Or Stream

HUMBOLDT RIVER-OS

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

13

Drainage Area

0.2

Nid Storage

160

Structural Height

21

Outlet Gates

Slide (sluice gate) - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

21
       
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.