Florida Canyon Expansion Pond Dam Reservoir Report

Last Updated: December 15, 2025

The Florida Canyon Expansion Pond Dam in Pershing, Nevada, is a privately owned structure designed by VECTOR ENGINEERING INC.


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Summary

The dam, completed in 1999, stands at a height of 25 feet and has a storage capacity of 55.2 acre-feet. It serves a primary purpose of "Other" and is classified as an Earth dam with a rockfill core and soil foundation.

Located on the Humboldt River, the dam has a surface area of 3.6 acres and a drainage area of 0.2 square miles. It has no spillway and is equipped with no outlet gates. Despite being deemed to have a low hazard potential and fair condition, the dam poses a high risk according to a risk assessment, prompting the need for continued monitoring and potential risk management measures in the future.

Overall, the Florida Canyon Expansion Pond Dam plays a crucial role in water resource management in the area, providing storage capacity for irrigation or other purposes. Its strategic location on the Humboldt River makes it a key structure in maintaining water availability and mitigating the impacts of climate variability in the region.

Year Completed

1999

Dam Length

780

Dam Height

25

River Or Stream

HUMBOLDT RIVER-OS

Primary Dam Type

Earth

Surface Area

3.6

Hydraulic Height

23

Drainage Area

0.2

Nid Storage

55.2

Structural Height

25

Outlet Gates

None - 0

Hazard Potential

Low

Foundations

Soil

Nid Height

25
       
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.