Allee Reservoir Report

Last Updated: December 5, 2025

Allee is a privately owned dam located in Campbell, Wyoming, along the Rusty Draw tributary of Deer Creek.


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Summary

Built in 1978, this earth dam serves multiple purposes including fire protection, stock watering, small fish pond maintenance, and irrigation. With a height of 7 feet and a length of 1085 feet, Allee has a storage capacity of 83 acre-feet and covers a surface area of 15 acres.

Despite its low hazard potential, Allee has been assessed to be in poor condition as of September 2020. The dam features an uncontrolled spillway and one outlet gate. The inspection frequency is set at once every 5 years, with the last inspection taking place in September 2020. Although the risk assessment categorizes it as moderate, there are currently no risk management measures in place.

Water resource and climate enthusiasts may find Allee to be an interesting case study due to its multi-purpose use and the challenges it faces in terms of maintenance and risk management. The dam's location in a vital area like Campbell, Wyoming, highlights the importance of ensuring the safety and functionality of such structures for the surrounding community and environment.

Year Completed

1978

Dam Length

1085

Dam Height

7

River Or Stream

RUSTY DRAW TRIB. OF DEER CREEK

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

5

Drainage Area

3.5

Nid Storage

83

Structural Height

7

Outlet Gates

Uncontrolled - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

7
       
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.