Carlin Wwtp Treatment Lagoon Cell 1 Dam Reservoir Report

Last Updated: December 15, 2025

Carlin Wwtp Treatment Lagoon Cell 1 Dam, located in Elko, Nevada, serves as a crucial structure for managing water resources in the region.


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Summary

This earth-type dam, completed in 1960, stands at a height of 21 feet and has a storage capacity of 160 acre-feet. Situated on the Humboldt River, this dam plays a vital role in maintaining water levels and ensuring efficient water distribution for the surrounding area.

Despite being classified as low hazard potential, Carlin Wwtp Treatment Lagoon Cell 1 Dam is subject to regular inspections and enforcement by the Nevada Department of Water Resources. The dam's primary purpose is listed as 'Other,' indicating its multifaceted role in water management activities. The dam features a valve outlet gate and has undergone structural modifications in 1990 to enhance its overall functionality and safety.

In the event of an emergency, the dam is equipped with an Emergency Action Plan (EAP) to guide response efforts. With a high-risk assessment rating of 2, stakeholders involved with the dam must be vigilant in implementing risk management measures to mitigate potential threats and safeguard the surrounding community and environment. Carlin Wwtp Treatment Lagoon Cell 1 Dam stands as a testament to the importance of well-maintained water infrastructure in ensuring water security and resilience in the face of changing climate conditions.

Years Modified

1990 - Structural

Year Completed

1960

Dam Length

1700

Dam Height

21

River Or Stream

HUMBOLDT RIVER-OS

Primary Dam Type

Earth

Surface Area

14

Hydraulic Height

17

Drainage Area

0.1

Nid Storage

160

Structural Height

21

Outlet Gates

Valve - 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.