Cardine Keith Reservoir Report

Last Updated: December 16, 2025

Cardine Keith, located in Glenrock, Wyoming, is a privately owned Earth type dam constructed in 1975 for irrigation purposes on the SKEEN CREEK.


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Summary

The dam stands at a height of 40 feet with a hydraulic height of 33 feet and a structural height of 45 feet. It has a length of 650 feet and a storage capacity of 169 acre-feet, serving a drainage area of 2.8 square miles.

Despite its age, Cardine Keith has been deemed to have a high hazard potential and poor condition assessment. The last inspection in June 2020 revealed its structural deficiencies, prompting a moderate risk assessment. The dam features an uncontrolled spillway with a width of 30 feet and outlet gates with valves. Emergency action plans have been prepared, but updates and revisions are needed to ensure they meet guidelines and are effective in the event of an emergency.

With its historical significance as an essential water resource infrastructure in Natrona County, Cardine Keith serves as a critical reminder of the importance of regular maintenance and risk management measures for ensuring the safety and sustainability of dams in the face of changing climate conditions. Climate enthusiasts and water resource advocates can appreciate the challenges and opportunities presented by the ongoing management and preservation efforts for this vital piece of infrastructure.

Year Completed

1975

Dam Length

650

Dam Height

40

River Or Stream

SKEEN CREEK

Primary Dam Type

Earth

Surface Area

14

Hydraulic Height

33

Drainage Area

2.8

Nid Storage

169

Structural Height

45

Outlet Gates

Valve - 0

Hazard Potential

High

Foundations

Soil

Nid Height

45
       
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.